{"pageNumber":"740","pageRowStart":"18475","pageSize":"25","recordCount":184904,"records":[{"id":70223691,"text":"70223691 - 2019 - Tourmaline boron and strontium isotope systematics reveal magmatic fluid pulses and external fluid influx in a giant iron oxide-apatite (IOA) deposit","interactions":[],"lastModifiedDate":"2021-09-01T14:37:41.100656","indexId":"70223691","displayToPublicDate":"2019-06-13T09:29:31","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Tourmaline boron and strontium isotope systematics reveal magmatic fluid pulses and external fluid influx in a giant iron oxide-apatite (IOA) deposit","docAbstract":"<p id=\"sp0005\"><span>Tourmaline&nbsp;is a common boron-bearing mineral in&nbsp;hydrothermal system&nbsp;and has been widely used as a mineral probe to reconstruct&nbsp;geological processes&nbsp;because of its broad range in composition and resistance to metasomatic alteration. The origin of Kiruna-type iron oxide-apatite (IOA) deposits, commonly linked to andesitic subvolcanic or volcanic rocks, is highly controversial. Constraints on the evolution of these mineralizing systems are needed to advance understanding of the ore-forming process. In this study, we apply&nbsp;</span><i>in situ</i><span>&nbsp;elemental and combined B-Sr isotopic analyses of tourmaline to elucidate the nature and evolution of the subsurface hydrothermal system associated with IOA&nbsp;mineralization&nbsp;in the giant Taocun deposit, eastern China.</span></p><p id=\"sp0010\"><span>Taocun is hosted at the top of a&nbsp;diorite&nbsp;intrusion and exhibits three stages of&nbsp;hydrothermal alteration&nbsp;that contain tourmaline: pre-ore Na alteration (Tur I), syn-ore&nbsp;magnetite&nbsp;formation and associated Ca-Fe alteration (Tur II), and post-ore Ca-Mg alteration with&nbsp;sulfide&nbsp;veins (Tur III). Compositional data for each stage of tourmaline plot along the “oxy-dravite”–povondraite join, which is indicative of precipitation from relatively oxidizing fluids. Ranges of Sr-isotopic compositions in Tur I (0.7065–0.7078) and Tur II (0.7068–0.7076) are identical to those of the igneous host rocks, indicating precipitation from magmatic-hydrothermal fluids. The range of B-isotopic compositions in Tur I (δ</span><sup>11</sup>B values of −6.3‰ to −1.2‰) is also consistent with a magmatic source. Higher δ<sup>11</sup><span>B values (−2.4‰ to 5.4‰) obtained from Tur II are mainly ascribed to Rayleigh fractionation in the magmatic-hydrothermal system as tourmaline precipitated. Post-ore Tur III has a wide range of mostly lower B-isotopic compositions (−8.5‰ to 0.8‰) that record another pulse of magmatic fluid input. This interpretation is supported by the enrichment of Na, Li, Be, W, Sn, V, and Ti in Tur III, relative to Tur I and II. However, the higher Sr-isotope composition (0.7076–0.7086) of Tur III and available O-isotope composition (−7‰ to 3.5‰) of fluids of this stage record the&nbsp;infiltration&nbsp;of meteoric ground water from adjacent sedimentary country rocks. The results suggest that the Taocun IOA deposit formed in a magmatic-hydrothermal system characterized by two (or more) pulses of magmatic fluid discharge from subvolcanic diorite intrusions, followed by the influx of external ground water as the system waned. This study highlights the utility of tourmaline as a robust geochemical and isotopic monitor of ore-forming processes in such systems.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.gca.2019.06.006","usgsCitation":"Su, Z., Zhao, X., Zeng, L., Zhao, K., and Hofstra, A.H., 2019, Tourmaline boron and strontium isotope systematics reveal magmatic fluid pulses and external fluid influx in a giant iron oxide-apatite (IOA) deposit: Geochimica et Cosmochimica Acta, v. 259, p. 233-252, https://doi.org/10.1016/j.gca.2019.06.006.","productDescription":"20 p.","startPage":"233","endPage":"252","ipdsId":"IP-106893","costCenters":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":388731,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"China","otherGeospatial":"Ningwu IOA district","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              117.48779296875,\n              30.097613277217132\n            ],\n            [\n              118.58642578124999,\n              30.097613277217132\n            ],\n            [\n              118.58642578124999,\n              31.704803074739214\n            ],\n            [\n              117.48779296875,\n              31.704803074739214\n            ],\n            [\n              117.48779296875,\n              30.097613277217132\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"259","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Su, Zhi-kun","contributorId":265158,"corporation":false,"usgs":false,"family":"Su","given":"Zhi-kun","email":"","affiliations":[{"id":54615,"text":"China University of Geosciences-Wuhan","active":true,"usgs":false}],"preferred":false,"id":822339,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Zhao, Xinfu","contributorId":265159,"corporation":false,"usgs":false,"family":"Zhao","given":"Xinfu","email":"","affiliations":[{"id":54615,"text":"China University of Geosciences-Wuhan","active":true,"usgs":false}],"preferred":false,"id":822340,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zeng, Li-ping","contributorId":265160,"corporation":false,"usgs":false,"family":"Zeng","given":"Li-ping","email":"","affiliations":[{"id":54615,"text":"China University of Geosciences-Wuhan","active":true,"usgs":false}],"preferred":false,"id":822341,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Zhao, Kui-dong","contributorId":265161,"corporation":false,"usgs":false,"family":"Zhao","given":"Kui-dong","email":"","affiliations":[{"id":54615,"text":"China University of Geosciences-Wuhan","active":true,"usgs":false}],"preferred":false,"id":822342,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hofstra, Albert H. 0000-0002-2450-1593 ahofstra@usgs.gov","orcid":"https://orcid.org/0000-0002-2450-1593","contributorId":1302,"corporation":false,"usgs":true,"family":"Hofstra","given":"Albert","email":"ahofstra@usgs.gov","middleInitial":"H.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":822343,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70203911,"text":"70203911 - 2019 - Geographic variation in natal dispersal of Northern Spotted Owls over 28 years","interactions":[],"lastModifiedDate":"2019-06-21T09:24:24","indexId":"70203911","displayToPublicDate":"2019-06-13T09:17:20","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3551,"text":"The Condor","active":true,"publicationSubtype":{"id":10}},"title":"Geographic variation in natal dispersal of Northern Spotted Owls over 28 years","docAbstract":"<p>The most recent comprehensive estimates of Northern Spotted Owl (<i>Strix occidentalis caurina</i>) natal dispersal distances were reported in 2002. Since then, Northern Spotted Owl populations have experienced substantial demographic changes, with potential attendant changes in natal dispersal distances, including temporal or geographic trends. We analyzed the natal dispersal of Northern Spotted Owls during 1985–2012 in Oregon and Washington, USA (n = 1,534 dispersal events), to determine current natal dispersal distances and to evaluate potential trends that may inform management actions. Mean net dispersal distance (natal site to site of first attempted breeding) was 23.8 km +- 19.2 km SD, with females dispersing ~50% farther than males. Net dispersal distance varied by ecoregion (Washington Coast and Cascades, Washington Eastern Cascades, Oregon Coast Range, Oregon and California Cascades, and Oregon and California Klamath) but declined similarly in all ecoregions over time (~1 km yr^-1 ). Dispersal direction also varied by ecoregion, following coarse-scale forest habitat configuration, and was bimodal (north–south) in the Oregon Coast Range, south–southwest in the Oregon and California Cascades, and showed little directionality in the Washington Eastern Cascades, Washington Coast and Cascades, and Oregon and California Klamath. Long-distance dispersal events (.50 km) also varied by ecoregion (mean: 62.3–99.5 km), with most long-distance dispersal (8% of dispersers; distances up to 177 km) originating in southern ecoregions. We found no direct relationship between Barred Owl (<i>Strix varia</i>) detections near natal or settling locations and dispersal distance. These findings, particularly the declining trend of dispersal distances, may inform management actions aimed toward conservation of the Northern Spotted Owl.</p>","language":"English","publisher":"BioOne","doi":"10.1650/CONDOR-17-164.1","usgsCitation":"Hollenbeck, J., Haig, S.M., Forsman, E.D., and Wiens, D., 2019, Geographic variation in natal dispersal of Northern Spotted Owls over 28 years: The Condor, v. 120, no. 3, p. 530-542, https://doi.org/10.1650/CONDOR-17-164.1.","productDescription":"13 p.","startPage":"530","endPage":"542","ipdsId":"IP-093377","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":364874,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Oregon, Washington","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -124.73876953125,\n              48.4146186174932\n            ],\n            [\n              -124.73876953125,\n              47.96050238891509\n            ],\n            [\n              -124.23339843749999,\n              47.27922900257082\n            ],\n            [\n              -123.96972656249999,\n              45.874712248904764\n            ],\n            [\n              -124.12353515624999,\n              44.62175409623324\n            ],\n            [\n              -124.23339843749999,\n              43.5326204268101\n            ],\n            [\n              -124.5849609375,\n              42.84375132629021\n            ],\n            [\n              -124.3212890625,\n              41.918628865183045\n            ],\n            [\n              -120.36621093749999,\n              42.032974332441405\n            ],\n            [\n              -120.16845703125,\n              45.66012730272194\n            ],\n            [\n              -119.091796875,\n              48.980216985374994\n            ],\n            [\n              -123.24462890625,\n              48.980216985374994\n            ],\n            [\n              -122.98095703125,\n              48.76343113791796\n            ],\n            [\n              -123.1787109375,\n              48.66194284607006\n            ],\n            [\n              -123.11279296875001,\n              48.32703913063476\n            ],\n            [\n              -123.3544921875,\n              48.23930899024907\n            ],\n            [\n              -124.73876953125,\n              48.4146186174932\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"120","issue":"3","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Hollenbeck, Jeff 0000-0001-6481-5354","orcid":"https://orcid.org/0000-0001-6481-5354","contributorId":216400,"corporation":false,"usgs":true,"family":"Hollenbeck","given":"Jeff","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764715,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Haig, Susan M. 0000-0002-6616-7589 susan_haig@usgs.gov","orcid":"https://orcid.org/0000-0002-6616-7589","contributorId":719,"corporation":false,"usgs":true,"family":"Haig","given":"Susan","email":"susan_haig@usgs.gov","middleInitial":"M.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764716,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Forsman, Eric D.","contributorId":96792,"corporation":false,"usgs":false,"family":"Forsman","given":"Eric","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":764717,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wiens, David 0000-0002-2020-038X jwiens@usgs.gov","orcid":"https://orcid.org/0000-0002-2020-038X","contributorId":167538,"corporation":false,"usgs":true,"family":"Wiens","given":"David","email":"jwiens@usgs.gov","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764718,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70203186,"text":"sir20195027 - 2019 - Assessment of the presence of sewage in the Mill River under low-flow conditions, Springfield, Massachusetts, 2010–11","interactions":[],"lastModifiedDate":"2019-06-13T10:54:23","indexId":"sir20195027","displayToPublicDate":"2019-06-13T09:15:00","publicationYear":"2019","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2019-5027","displayTitle":"Assessment of the Presence of Sewage in the Mill River Under Low-Flow Conditions, Springfield, Massachusetts, 2010–11","title":"Assessment of the presence of sewage in the Mill River under low-flow conditions, Springfield, Massachusetts, 2010–11","docAbstract":"<p>The U.S. Geological Survey, in cooperation with the Pioneer Valley Planning Commission, the U.S. Environmental Protection Agency, and the Massachusetts Department of Environmental Protection Senator William X. Wall Experiment Station, assessed the presence of 14 commonly used human-health pharmaceutical compounds, fecal indicator bacteria, and other man-made compounds indicative of the presence of human sewage in the lower reach of the Mill River near its confluence with the Connecticut River in Springfield, Massachusetts. The study was part of the Tri-State Connecticut River Targeted Watershed Initiative and involved the collection and analysis of raw river water at three sites along the reach, extending from Watershops Pond to the mouth, over the course of a low-flow period, July through November 2010. Previous studies in the region indicated that nonpoint or undocumented sources of wastewater contributed a variety of organic contaminants and potentially harmful bacteria to rivers under both high- and low-flow conditions. Additional samples, including a raw sewage sample collected near a Mill River combined sewer overflow during a non-overflow period, were collected in March 2011.</p><p>The study was designed to determine if city sewage or other domestic sources of wastewater were entering the river within this reach during low-flow conditions. No definitive evidence of sewage was measured in Mill River water samples collected during the study period. Fecal indicator bacteria, including <i>Escherichia coli</i> (<i>E. coli</i>) and enterococci bacteria, were detected in all Mill River water samples. In the DNA analysis of enterococci cultures from the Mill River, samples generally tested negative for the <i>Enterococcus faecium</i> (<i>esp</i>) human-specific genetic marker, whereas the raw sewage sample tested positive. Samples also generally tested negative in the human-specific rDNA marker assay for the anaerobic bacterium <i>Bacteroidetes</i>. Samples tested negative in 2010 for two <i>Bacteroidetes</i> human-specific genetic markers, HF134 and HF183, except samples from near the mouth of the Mill River, which tested positive. Samples collected in March 2011 from all three measurement sites tested positive for both markers. The results of bacterial analyses suggest that the fecal bacteria in summer and fall months are most likely of animal origin rather than human. Despite the urban setting, long history of development, and many potential sources of man-made contamination in the Mill River, none of the 12 water samples collected during the study contained targeted pharmaceutical compounds at concentrations greater than the analytical reporting levels. Other man-made compounds, like fluorescent whitening agents, were measured and detected in samples at low concentrations 4 out of 5 times the samples were collected; however, the other lines of evidence do not support a sewer source but rather other nonpoint sources upstream in the watershed.</p><p>The results of this study do not support the hypothesis that aging sewer lines or combined sewer overflow infrastructure leak into the Mill River as tested during the low-flow conditions during sampling for this study. None of the results from Mill River samples offer conclusive evidence of the presence of sewage. Some low-level detections of pharmaceutical compounds, other man-made chemicals, and bacteria suggest an upstream, nonpoint source.</p><p>A single raw sewage sample was collected, diluted, and examined for comparison with Mill River water samples and to ensure that the analytical methods could detect typical wastewater constituents. High levels of bacteria were measured, and low levels of three anthropogenic pharmaceutical compounds were detected, confirming the effectiveness of the sub-part-per-million method. The concentration of fluorescent whitening agent-1 in the sewage sample was 90,000 times greater than the median concentration in the Mill River samples.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20195027","collaboration":"Prepared in cooperation with the Pioneer Valley Planning Commission, the U.S. Environmental Protection Agency, and the Massachusetts Department of Environmental Protection","usgsCitation":"Massey, A.J., Waldron, M.C., Tang, R.J., and Huntington, T.G., 2019, Assessment of the presence of sewage in the Mill River under low-flow conditions, Springfield, Massachusetts, 2010–11: U.S. Geological Survey Scientific Investigations Report 2019–5027, 18 p., https://doi.org/10.3133/sir20195027.","productDescription":"viii, 18 p.","numberOfPages":"30","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-039347","costCenters":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"links":[{"id":364471,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2019/5027/coverthb.jpg"},{"id":364472,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2019/5027/sir20195027.pdf","text":"Report","size":"1.78 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2019-5027"}],"country":"United States","state":"Massachusetts","county":"Hampden County","city":"Springfield","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-72.2208,42.2452],[-72.2417,42.2241],[-72.2607,42.2054],[-72.2649,42.1963],[-72.263,42.1931],[-72.2641,42.1836],[-72.2498,42.1787],[-72.2008,42.1612],[-72.1988,42.1535],[-72.1345,42.162],[-72.1358,42.0307],[-72.1364,42.0308],[-72.2322,42.0312],[-72.2934,42.0317],[-72.3082,42.0316],[-72.349,42.0325],[-72.4476,42.0343],[-72.4522,42.0344],[-72.4588,42.0343],[-72.4744,42.0344],[-72.5094,42.0349],[-72.5263,42.035],[-72.5732,42.0301],[-72.5848,42.0248],[-72.604,42.0252],[-72.6071,42.0253],[-72.6095,42.0307],[-72.6399,42.0316],[-72.6802,42.0351],[-72.7077,42.0371],[-72.7574,42.0362],[-72.7565,42.0314],[-72.7572,42.0287],[-72.7596,42.026],[-72.7634,42.0234],[-72.7686,42.0043],[-72.8182,41.9979],[-72.8168,42.0164],[-72.8155,42.0377],[-72.899,42.0379],[-72.9398,42.0379],[-72.9688,42.0385],[-73.0087,42.0395],[-73.0405,42.0403],[-73.0482,42.0405],[-73.0517,42.0405],[-73.0568,42.0479],[-73.0556,42.0534],[-73.0551,42.0579],[-73.0576,42.0593],[-73.0595,42.0602],[-73.0608,42.0629],[-73.0597,42.0674],[-73.0622,42.0706],[-73.0733,42.0945],[-73.0747,42.1022],[-73.076,42.1058],[-73.0748,42.109],[-73.0724,42.1118],[-73.0627,42.1178],[-73.0634,42.1219],[-73.0653,42.1264],[-73.0673,42.1305],[-73.068,42.1354],[-73.0687,42.1386],[-73.0694,42.1427],[-73.0701,42.145],[-73.0708,42.1481],[-73.0348,42.1436],[-73.0049,42.2498],[-73.0018,42.2512],[-73.0006,42.3121],[-72.9535,42.344],[-72.8957,42.3405],[-72.8943,42.3314],[-72.885,42.3324],[-72.8806,42.2652],[-72.9123,42.239],[-72.8741,42.2172],[-72.8722,42.2163],[-72.8644,42.2318],[-72.8578,42.2405],[-72.8133,42.2446],[-72.8118,42.2351],[-72.7933,42.2366],[-72.7917,42.2171],[-72.7818,42.2167],[-72.7814,42.1995],[-72.7665,42.1969],[-72.687,42.1831],[-72.6865,42.1908],[-72.6906,42.2131],[-72.6696,42.2164],[-72.6679,42.2255],[-72.6562,42.2275],[-72.634,42.274],[-72.6131,42.286],[-72.6057,42.2847],[-72.6013,42.2811],[-72.5992,42.2679],[-72.5998,42.2652],[-72.6078,42.2601],[-72.6181,42.2482],[-72.6234,42.2337],[-72.6203,42.2296],[-72.6128,42.2251],[-72.6077,42.2161],[-72.5958,42.2116],[-72.5674,42.2137],[-72.5426,42.2166],[-72.5074,42.2205],[-72.4226,42.2298],[-72.4035,42.2317],[-72.3954,42.1859],[-72.3608,42.1902],[-72.3615,42.1939],[-72.3634,42.1966],[-72.3647,42.2029],[-72.3629,42.2061],[-72.3493,42.2099],[-72.3456,42.2108],[-72.3463,42.2153],[-72.342,42.219],[-72.3364,42.219],[-72.2814,42.2348],[-72.2777,42.2326],[-72.2734,42.2362],[-72.2703,42.2367],[-72.2677,42.229],[-72.2572,42.2299],[-72.2499,42.2386],[-72.2468,42.2418],[-72.2208,42.2452]]]},\"properties\":{\"name\":\"Hampden\",\"state\":\"MA\"}}]}","contact":"<p><a href=\"dc_nweng@usgs.gov\" data-mce-href=\"dc_nweng@usgs.gov\">Director</a>, <a href=\"https://newengland.water.usgs.gov\" data-mce-href=\"https://newengland.water.usgs.gov\">New England Water Science Center</a><br>U.S. Geological Survey<br>331 Commerce Way, Suite 2<br>Pembroke, NH 03275</p>","tableOfContents":"<ul><li>Acknowledgments</li><li>Abstract</li><li>Introduction</li><li>Site Selection and Sample Collection</li><li>Analysis for Sewage Constituents</li><li>Results for Field Parameters and Wastewater Constituents</li><li>Discussion of Wastewater Constituents in the Mill River</li><li>Conclusions</li><li>References Cited</li></ul>","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"publishedDate":"2019-06-13","noUsgsAuthors":false,"publicationDate":"2019-06-13","publicationStatus":"PW","contributors":{"authors":[{"text":"Massey, Andrew J. 0000-0003-3995-8657 ajmassey@usgs.gov","orcid":"https://orcid.org/0000-0003-3995-8657","contributorId":1862,"corporation":false,"usgs":true,"family":"Massey","given":"Andrew","email":"ajmassey@usgs.gov","middleInitial":"J.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":376,"text":"Massachusetts Water Science Center","active":true,"usgs":true}],"preferred":true,"id":761539,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marcus C. Waldron","contributorId":215059,"corporation":false,"usgs":false,"family":"Marcus C. Waldron","affiliations":[{"id":36206,"text":"Retired","active":true,"usgs":false}],"preferred":false,"id":761541,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jean Tang, R.","contributorId":215058,"corporation":false,"usgs":false,"family":"Jean Tang","given":"R.","email":"","affiliations":[{"id":39168,"text":"Massachusetts DEP, Lawrence, MA","active":true,"usgs":false}],"preferred":false,"id":761540,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Huntington, Thomas G. 0000-0002-9427-3530 thunting@usgs.gov","orcid":"https://orcid.org/0000-0002-9427-3530","contributorId":1884,"corporation":false,"usgs":true,"family":"Huntington","given":"Thomas","email":"thunting@usgs.gov","middleInitial":"G.","affiliations":[{"id":371,"text":"Maine Water Science Center","active":true,"usgs":true},{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":761542,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70223299,"text":"70223299 - 2019 - A general model of temporary aquatic habitat use: Water phenology as a life history filter","interactions":[],"lastModifiedDate":"2021-08-20T13:33:52.286606","indexId":"70223299","displayToPublicDate":"2019-06-13T08:28:35","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1652,"text":"Fish and Fisheries","active":true,"publicationSubtype":{"id":10}},"title":"A general model of temporary aquatic habitat use: Water phenology as a life history filter","docAbstract":"<p><span>Temporary aquatic habitats are not widely appreciated fish habitat. However, fish navigate the transient waters of intertidal zones, floodplains, intermittent and ephemeral streams, lake margins, seasonally frozen lakes and streams, and anthropogenic aquatic habitats across the globe to access important resources. The selective pressures imposed by water impermanence (i.e., freezing, drying, tidal fluctuations), however, operate similarly across taxa and ecosystems. These similarities are formalized into a conceptual model relating habitat use to surface water phenology. Whereas all necessary life history functions (spawning, foraging, refuge, and dispersal) can be accomplished in temporary habitats, the timing, duration, and predictability of water act as a “life history filter” to which habitats can be used and for what purpose. Habitats wet from minutes to months may all be important—albeit in different ways, for different species. If life history needs co-occur with accessibility, temporary habitats can contribute substantially to individual fitness, overall production and important metapopulation processes. This heuristic is intended to promote research, recognition and conservation of these frequently overlooked habitats that can be disproportionately important relative to their size or brevity of existence. There is a pressing need to quantify how use of temporary aquatic habitats translates to individual fitness benefits, population size and temporal stability, and ecosystem-level consequences. Temporary aquatic habitats are being impacted at an alarming rate by anthropogenic activities altering their existence, phenology, and connectivity. It is timely that scientists, managers and policymakers consider the role these habitats play in global fish production.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/faf.12386","usgsCitation":"Heim, K., Falke, J.A., McMahon, T., Wipfli, M.S., and Calle, L., 2019, A general model of temporary aquatic habitat use: Water phenology as a life history filter: Fish and Fisheries, v. 20, no. 4, p. 802-816, https://doi.org/10.1111/faf.12386.","productDescription":"15 p.","startPage":"802","endPage":"816","ipdsId":"IP-101686","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":388228,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","issue":"4","noUsgsAuthors":false,"publicationDate":"2019-06-13","publicationStatus":"PW","contributors":{"authors":[{"text":"Heim, Kurt C.","contributorId":264533,"corporation":false,"usgs":false,"family":"Heim","given":"Kurt C.","affiliations":[{"id":48645,"text":"umt","active":true,"usgs":false}],"preferred":false,"id":821645,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Falke, Jeffrey A. 0000-0002-6670-8250 jfalke@usgs.gov","orcid":"https://orcid.org/0000-0002-6670-8250","contributorId":5195,"corporation":false,"usgs":true,"family":"Falke","given":"Jeffrey","email":"jfalke@usgs.gov","middleInitial":"A.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":821644,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McMahon, Thomas E.","contributorId":264534,"corporation":false,"usgs":false,"family":"McMahon","given":"Thomas E.","affiliations":[{"id":48645,"text":"umt","active":true,"usgs":false}],"preferred":false,"id":821646,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wipfli, Mark S. 0000-0002-4856-6068 mwipfli@usgs.gov","orcid":"https://orcid.org/0000-0002-4856-6068","contributorId":1425,"corporation":false,"usgs":true,"family":"Wipfli","given":"Mark","email":"mwipfli@usgs.gov","middleInitial":"S.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":821643,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Calle, Leonardo","contributorId":264535,"corporation":false,"usgs":false,"family":"Calle","given":"Leonardo","email":"","affiliations":[{"id":48645,"text":"umt","active":true,"usgs":false}],"preferred":false,"id":821647,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70219147,"text":"70219147 - 2019 - Amphibian conservation in the Anthropocene","interactions":[],"lastModifiedDate":"2021-03-25T12:39:44.947041","indexId":"70219147","displayToPublicDate":"2019-06-13T07:28:11","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1015,"text":"Biological Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Amphibian conservation in the Anthropocene","docAbstract":"<div id=\"abstracts\" class=\"Abstracts u-font-serif\"><div id=\"ab0005\" class=\"abstract author\" lang=\"en\"><div id=\"as0005\"><p id=\"sp0015\">Research is necessary to identify patterns in nature, to understand how a system functions, and to make predictions about the future state of an ecosystem. Applied research in conservation biology can identify effective strategies to maintain biodiversity, though many papers end with the conclusion that more research is needed. However, more research does not necessarily lead to solutions. We use the ongoing global decline of amphibians as a salient example to highlight limitations in current conservation research, and to focus on finding solutions which are directly relevant for conservation. While research has been conducted since declines were first detected in the 1990s, outside a few specific examples, little progress in conservation has been achieved. We suggest that the case of amphibian declines is relevant to conservation science in general, as the current paradigm for conservation is that management is planned after research is completed; research and management are not effectively (and not directly) connected. This disconnect illustrates the knowledge-action divide which has been identified as a serious deficiency in conservation. Accordingly, we use this introductory paper to the Special Issue (Amphibian conservation in the Anthropocene: Progress and challenges) to describe amphibians as a conservation dilemma, and to make the case for a different, more pragmatic, and more solutions-focused view of conservation research.</p></div></div></div>","language":"English","publisher":"Elsevier","doi":"10.1016/j.biocon.2019.03.003","usgsCitation":"Campbell Grant, E.H., Muths, E.L., Schmidt, B.R., and Petrovan, S., 2019, Amphibian conservation in the Anthropocene: Biological Conservation, v. 236, p. 543-547, https://doi.org/10.1016/j.biocon.2019.03.003.","productDescription":"5 p.","startPage":"543","endPage":"547","ipdsId":"IP-103055","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":384661,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Kansas, Oklahoma","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -99.5361328125,\n              35.02999636902566\n            ],\n            [\n              -95.0537109375,\n              35.02999636902566\n            ],\n            [\n              -95.0537109375,\n              37.85750715625203\n            ],\n            [\n              -99.5361328125,\n              37.85750715625203\n            ],\n            [\n              -99.5361328125,\n              35.02999636902566\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"236","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Campbell Grant, Evan H. 0000-0003-4401-6496 ehgrant@usgs.gov","orcid":"https://orcid.org/0000-0003-4401-6496","contributorId":150443,"corporation":false,"usgs":true,"family":"Campbell Grant","given":"Evan","email":"ehgrant@usgs.gov","middleInitial":"H.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":812929,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Muths, Erin L. 0000-0002-5498-3132 muthse@usgs.gov","orcid":"https://orcid.org/0000-0002-5498-3132","contributorId":1260,"corporation":false,"usgs":true,"family":"Muths","given":"Erin","email":"muthse@usgs.gov","middleInitial":"L.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":812930,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schmidt, Benedikt R.","contributorId":256646,"corporation":false,"usgs":false,"family":"Schmidt","given":"Benedikt","email":"","middleInitial":"R.","affiliations":[{"id":51821,"text":"Department of Evolutionary Biology and Environmental Studies University of Zurich Winterthurerstrasse 1908057 Zurich, Switzerland","active":true,"usgs":false}],"preferred":false,"id":812931,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Petrovan, Silviu","contributorId":256647,"corporation":false,"usgs":false,"family":"Petrovan","given":"Silviu","affiliations":[{"id":51824,"text":"Conservation Science Group, Department of Zoology, University of Cambridge  The David Attenborough Building, Cambridge CB2 3QZ, UK","active":true,"usgs":false}],"preferred":false,"id":812932,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70203816,"text":"70203816 - 2019 - Data Report: Permeability, porosity, and frictional strength of core samples from IODP Expedition 366 in the Mariana forearc","interactions":[],"lastModifiedDate":"2019-06-20T13:50:34","indexId":"70203816","displayToPublicDate":"2019-06-12T13:46:59","publicationYear":"2019","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Data Report: Permeability, porosity, and frictional strength of core samples from IODP Expedition 366 in the Mariana forearc","docAbstract":"Core samples from the International Ocean Discovery Program (IODP) Expedition 366 were tested in the laboratory to determine permeability, porosity, density, and frictional strength and their relation to mineralogy as part of an effort to understand hydro-mechanical processes at convergent plate margins. Seven samples were tested from a depth range of 19.6 to 197.9 m below the sea floor. The samples were derived from three serpentinite mud volcanoes in the Mariana forearc region, formed where slab-derived fluids and materials ascend along faults.  The physical characteristics mirror compositional differences between predominantly serpentine-rich and saponite-rich samples.  Permeability values ranged from 10-17 to 10-19 m2, low enough to facilitate the formation of high fluid pressures, which have been observed in the Mariana and other subduction megathrust environments.  Porosities ranged from 0.37 to 0.51 and densities from 1.66 to 2.01 gm/cc.  Serpentine-rich samples have coefficients of friction of 0.2 to 0.4, consistent with crustal serpentinite from a variety of fault zones, whereas saponite-rich samples have friction values below 0.2, consistent with saponite fault gouge from the San Andreas Fault Zone at Depth (SAFOD) drillhole in California.","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Proceedings of the International Ocean Discovery Program","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"language":"English","publisher":"IODP","doi":"10.14379/iodp.proc.366.202.2019","usgsCitation":"Morrow, C.A., Moore, D.E., Lockner, D.A., and Bekins, B.A., 2019, Data Report: Permeability, porosity, and frictional strength of core samples from IODP Expedition 366 in the Mariana forearc, chap. <i>of</i> Proceedings of the International Ocean Discovery Program, v. 366, 14 p., https://doi.org/10.14379/iodp.proc.366.202.2019.","productDescription":"14 p.","ipdsId":"IP-099800","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true}],"links":[{"id":467536,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.14379/iodp.proc.366.202.2019","text":"Publisher Index Page"},{"id":364843,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":364684,"type":{"id":15,"text":"Index Page"},"url":"https://publications.iodp.org/proceedings/366/202/366_202.html"}],"volume":"366","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2019-06-12","publicationStatus":"PW","contributors":{"authors":[{"text":"Morrow, Carolyn A. 0000-0003-3500-6181 cmorrow@usgs.gov","orcid":"https://orcid.org/0000-0003-3500-6181","contributorId":3206,"corporation":false,"usgs":true,"family":"Morrow","given":"Carolyn","email":"cmorrow@usgs.gov","middleInitial":"A.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":764249,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Moore, Diane E. 0000-0002-8641-1075 dmoore@usgs.gov","orcid":"https://orcid.org/0000-0002-8641-1075","contributorId":2704,"corporation":false,"usgs":true,"family":"Moore","given":"Diane","email":"dmoore@usgs.gov","middleInitial":"E.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":764250,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lockner, David A. 0000-0001-8630-6833 dlockner@usgs.gov","orcid":"https://orcid.org/0000-0001-8630-6833","contributorId":567,"corporation":false,"usgs":true,"family":"Lockner","given":"David","email":"dlockner@usgs.gov","middleInitial":"A.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":764251,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bekins, Barbara A. 0000-0002-1411-6018 babekins@usgs.gov","orcid":"https://orcid.org/0000-0002-1411-6018","contributorId":1348,"corporation":false,"usgs":true,"family":"Bekins","given":"Barbara","email":"babekins@usgs.gov","middleInitial":"A.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true}],"preferred":true,"id":764252,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70204763,"text":"70204763 - 2019 - Climate and disturbance influence self-sustaining stand dynamics of aspen (Populus tremuloides) near its range margin","interactions":[],"lastModifiedDate":"2019-09-16T12:34:31","indexId":"70204763","displayToPublicDate":"2019-06-12T10:25:43","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Climate and disturbance influence self-sustaining stand dynamics of aspen (Populus tremuloides) near its range margin","docAbstract":"Species that are primarily seral may form stable (self-sustaining) communities under certain disturbance regimes or environmental conditions, yet such populations may also be particularly vulnerable to ecological change. Aspen (Populus spp.) are generally considered seral throughout the northern hemisphere, including P. tremuloides, the most widely distributed tree species in North America. Recent declines in aspen populations have occurred, especially along drought-sensitive margins of its range and where fire exclusion and herbivory have promoted community transition. However, aspen also forms stable stands, and examination of the mechanisms that influence persistence can offer conservation insights, especially where populations are vulnerable to changing climate or altered disturbance dynamics. We sampled tree age and stand characteristics of isolated aspen forests in the arid Great Basin (USA) to determine if: (1) aspen communities are more fire-dependent and seral or fire-independent and stable; (2) ungulate browsing inhibits aspen stability; and (3) temporal patterns of vegetative reproduction (i.e., ramet establishment or “suckering”) are correlated with climate. Aspen size and age class densities strongly fit negative exponential distributions, whether grouped geographically or by functional type, suggesting landscape-scale persistence. Continuous age distributions and high proportions of recruitment-sized to overstory trees suggest stability at stand-scales, with exceptions including stands with higher browsing pressure. Few stands had evidence of fire, and relationships between dead tree size and variability in live tree size suggest a lack of fire-dependency. Several five-year averaged climate variables and one sea surface temperature index were correlated with aspen ramet establishment densities over time, with strongest relationships occurring ~5 years prior to establishment year, often followed by inverse relationships ~1 year after. Indeed, aspen establishment density for a recent 41-year period was reliably reconstructed using antecedent climate conditions derived from a single drought index. Temporally synchronized aspen ramet establishment across the study region may be due to climate-driven storage of nonstructural carbohydrate reserves in clonal root systems later used for regeneration. Complex regeneration dynamics of these self-sustaining aspen stands, especially sensitivity to climate variability, suggest they may serve as harbingers of ecological change in the arid Great Basin and in other aspen populations near their range margin.","language":"English","publisher":"Wiley","doi":"10.1002/eap.1948","usgsCitation":"Shinneman, D.J., and McIlroy, S., 2019, Climate and disturbance influence self-sustaining stand dynamics of aspen (Populus tremuloides) near its range margin: Ecological Applications, v. 29, no. 6, e01948, 15 p., https://doi.org/10.1002/eap.1948.","productDescription":"e01948, 15 p.","ipdsId":"IP-102692","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":437422,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/F7HX1BM5","text":"USGS data release","linkHelpText":"Northern Nevada aspen (Populus tremuloides) data (2010-2011) (ver. 2.0, January 2024)"},{"id":366564,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"6","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2019-07-16","publicationStatus":"PW","contributors":{"authors":[{"text":"Shinneman, Douglas J. 0000-0002-4909-5181 dshinneman@usgs.gov","orcid":"https://orcid.org/0000-0002-4909-5181","contributorId":147745,"corporation":false,"usgs":true,"family":"Shinneman","given":"Douglas","email":"dshinneman@usgs.gov","middleInitial":"J.","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true}],"preferred":true,"id":768376,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McIlroy, Susan K. 0000-0001-5088-3700 smcilroy@usgs.gov","orcid":"https://orcid.org/0000-0001-5088-3700","contributorId":169446,"corporation":false,"usgs":true,"family":"McIlroy","given":"Susan","email":"smcilroy@usgs.gov","middleInitial":"K.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":768377,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70198478,"text":"70198478 - 2019 - Evaluating mechanisms of plant‐mediated effects on herbivore persistence and occupancy across an ecoregion","interactions":[],"lastModifiedDate":"2020-05-27T15:24:46.382467","indexId":"70198478","displayToPublicDate":"2019-06-12T10:18:25","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating mechanisms of plant‐mediated effects on herbivore persistence and occupancy across an ecoregion","docAbstract":"<p><span>Contemporary climate change is rapidly creating one of the greatest challenges for management and conservation during the 21st century. Mountain ecosystems, which have a high degree of spatial heterogeneity and contain numerous habitat specialists, have been identified as particularly vulnerable. We used data from multiple years across sites spanning a &gt;40 million ha ecoregion to test hypotheses regarding how community‐level characteristics of vegetation may affect a mammalian generalist herbivore, the American pika (</span><i>Ochotona princeps<span>&nbsp;</span></i><span>). We examined patterns of pika persistence across sites in the hydrographic Great Basin, and occupancy within a subset of these sites. We used mixed‐effects logistic regression models to compare evidence in support of competing explanations for each pattern within an information–theoretic framework (using Akaike's information criterion). Models reflected four hypothesized classes of mechanisms related to nutritional ecology, ecosystem function, indirect indication of climatic effects, and (synergistic) combinations of these three classes. At the site level, models reflecting synergistic effects received the most support. At the within‐site level, support appeared to be split equally among hypotheses containing predictors related to either nutritional ecology or indirect climate effects. Well‐supported predictors included cover of invasive plant species, cover of more‐xeric plant species, species evenness, and proportion of graminoid species. Our results both (1) identify important aspects of vegetation communities that may influence herbivore distribution in mountainous areas across a large, diverse geographic region, and (2) contribute to an improved understanding of how mountain ecosystems may be affected by ongoing climate change, more broadly.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.1002/ecs2.2764","usgsCitation":"Wilkening, J.L., Cole, E.J., and Beever, E., 2019, Evaluating mechanisms of plant‐mediated effects on herbivore persistence and occupancy across an ecoregion: Ecosphere, v. 10, no. 6, e02764, 19 p., https://doi.org/10.1002/ecs2.2764.","productDescription":"e02764, 19 p.","ipdsId":"IP-094589","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":467537,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ecs2.2764","text":"Publisher Index Page"},{"id":375082,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California, Idaho, Nevada, Oregon, Utah, Wyoming","otherGeospatial":"Great Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -118.01513671875,\n              36.82687474287728\n            ],\n            [\n              -112.67578124999999,\n              37.70120736474139\n            ],\n            [\n              -112.06054687499999,\n              40.26276066437183\n            ],\n            [\n              -112.32421875,\n              41.983994270935625\n            ],\n            [\n              -113.04931640625,\n              43.18114705939968\n            ],\n            [\n              -113.37890625,\n              43.50075243569041\n            ],\n            [\n              -114.54345703125,\n              42.293564192170095\n            ],\n            [\n              -115.57617187499999,\n              41.705728515237524\n            ],\n            [\n              -116.3232421875,\n              41.49212083968776\n            ],\n            [\n              -117.59765625,\n              41.27780646738183\n            ],\n            [\n              -117.90527343750001,\n              42.08191667830631\n            ],\n            [\n              -118.36669921875,\n              43.6599240747891\n            ],\n            [\n              -119.02587890624999,\n              44.134913443750726\n            ],\n            [\n              -120.25634765624999,\n              43.91372326852401\n            ],\n            [\n              -121.17919921875001,\n              43.56447158721811\n            ],\n            [\n              -121.06933593749999,\n              41.393294288784865\n            ],\n            [\n              -120.7177734375,\n              40.29628651711716\n            ],\n            [\n              -120.38818359375,\n              39.26628442213066\n            ],\n            [\n              -118.01513671875,\n              36.82687474287728\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"10","issue":"6","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2019-06-12","publicationStatus":"PW","contributors":{"authors":[{"text":"Wilkening, Jennifer L. 0000-0001-8748-4578","orcid":"https://orcid.org/0000-0001-8748-4578","contributorId":127685,"corporation":false,"usgs":false,"family":"Wilkening","given":"Jennifer","email":"","middleInitial":"L.","affiliations":[{"id":7111,"text":"U. 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Ecology & Evol.Biol., PhD Student","active":true,"usgs":false}],"preferred":false,"id":741602,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cole, Evan J.","contributorId":206741,"corporation":false,"usgs":false,"family":"Cole","given":"Evan","email":"","middleInitial":"J.","affiliations":[{"id":37388,"text":"Dept. of Environmental Science, University of San Francisco","active":true,"usgs":false}],"preferred":false,"id":741603,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Beever, Erik A. 0000-0002-9369-486X ebeever@usgs.gov","orcid":"https://orcid.org/0000-0002-9369-486X","contributorId":147685,"corporation":false,"usgs":true,"family":"Beever","given":"Erik A.","email":"ebeever@usgs.gov","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true},{"id":5072,"text":"Office of Communication and Publishing","active":true,"usgs":true}],"preferred":true,"id":741601,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70205244,"text":"70205244 - 2019 - Refinement of eDNA as an early monitoring tool at the landscape-level: Study design considerations","interactions":[],"lastModifiedDate":"2019-09-10T10:05:40","indexId":"70205244","displayToPublicDate":"2019-06-12T09:56:33","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Refinement of eDNA as an early monitoring tool at the landscape-level: Study design considerations","docAbstract":"Natural resource managers use data on the spatial range of species to guide management decisions.  These data come from survey or monitoring efforts that use a wide variety of tools. Environmental DNA (eDNA) is a surveillance tool that uses genetic markers for detecting species and holds potential as a tool for large-scale monitoring programs.  Two challenges of eDNA-based studies are uncertainties created by imperfect capture of eDNA in collection samples (e.g., water field samples) and imperfect detection of eDNA using molecular methods (e.g., quantitative PCR).  Occurrence models can be used to address these challenges, thus we use an occurrence model to address two objectives: First, determine how many samples were required to detect species using eDNA; Second, examine when and where to take samples.  We collected water samples from three different habitat types in the Upper Mississippi River when both Bighead Carp and Silver Carp were known to be present based on telemetry detections.  Each habitat type (backwater, tributary, and impoundment) was sampled during April, May and November.  Detections of eDNA for both species varied across sites and months, but were generally low, 0 - 19.3% of samples were positive for eDNA.  Overall, we found that eDNA-based sampling holds promise to be a powerful monitoring tool for resource managers, however, limitations of eDNA-based sampling include different biological and ecological characteristics of target species such as seasonal habitat usage patterns as well as aspects of different physical environments that impact the implementation of these methods such as water temperature.","language":"English","publisher":"Wiley","doi":"10.1002/eap.1951","usgsCitation":"Mize, E.L., Erickson, R.A., Merkes, C.M., Berndt, N., Bockrath, K., Credico, J., Grueneis, N., Merry, J., Mosel, K., Tuttle-Lau, M., Von Ruden, K., Amberg, J., Baerwaldt, K., Finney, S., and Monroe, E., 2019, Refinement of eDNA as an early monitoring tool at the landscape-level: Study design considerations: Ecological Applications, v. 29, no. 6, e01951, https://doi.org/10.1002/eap.1951.","productDescription":"e01951","ipdsId":"IP-099527","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences 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,{"id":70206622,"text":"70206622 - 2019 - SUSTAIN drilling at Surtsey volcano, Iceland, tracks hydrothermal and microbiological interactions in basalt 50 years after eruption","interactions":[],"lastModifiedDate":"2019-11-14T08:07:16","indexId":"70206622","displayToPublicDate":"2019-06-12T08:04:54","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3356,"text":"Scientific Drilling","active":true,"publicationSubtype":{"id":10}},"title":"SUSTAIN drilling at Surtsey volcano, Iceland, tracks hydrothermal and microbiological interactions in basalt 50 years after eruption","docAbstract":"The 2017 Surtsey Underwater volcanic System for Thermophiles, Alteration processes and INnovative concretes (SUSTAIN) drilling project at Surtsey volcano, sponsored in part by the International Continental Scientific Drilling Program (ICDP), provides precise observations of the hydrothermal, geochemical, geomagnetic, and microbiological changes that have occurred in basaltic tephra and minor intrusions since explosive and effusive eruptions produced the oceanic island in 1963–1967. Two vertically cored boreholes, to 152 and 192 m below the surface, were drilled using filtered, UV-sterilized seawater circulating fluid to minimize microbial contamination. These cores parallel a 181 m core drilled in 1979. Introductory investigations indicate changes in material properties and whole-rock compositions over the past 38 years. A Surtsey subsurface observatory installed to 181 m in one vertical borehole holds incubation experiments that monitor in situ mineralogical and microbial alteration processes at 25–124 ∘C. A third cored borehole, inclined 55∘ in a 264∘ azimuthal direction to 354 m measured depth, provides further insights into eruption processes, including the presence of a diatreme that extends at least 100 m into the seafloor beneath the Surtur crater. The SUSTAIN project provides the first time-lapse drilling record into a very young oceanic basaltic volcano over a range of temperatures, 25–141 ∘C from 1979 to 2017, and subaerial and submarine hydrothermal fluid compositions. Rigorous procedures undertaken during the drilling operation protected the sensitive environment of the Surtsey Natural Preserve.","language":"English","publisher":"International Continental Scientific Drilling Program (ICDP) and International Ocean Discovery Program (IODP)","doi":"10.5194/sd-25-35-2019","usgsCitation":"Jackson, M., Gudmundsson, M., Weisenberger, T., Rhodes, J., Stefansson, A., Kleine, B., Lippert, P., Marquardt, J., Reynolds, H., Kuck, J., Marteinsson, V., Vannier, P., Bach, W., Barich, A., Bergsten, P., Bryce, J.G., Cappelletti, P., Couper, S., Fahnestock, M., Gorny, C., Grimaldi, C., Groh, M., Gudmundsson, A., Gunnlaugsson, A., Hamlin, C., Hognadottir, T., Jonasson, K., Jonsson, S., Jorgensen, S., Klonowski, A., Marshall, B., McPhie, J., Moore, J.G., Olafsson, E., Onstag, S., Perez, V., Prause, S., Snorasson, S., Türke, A., White, J., and Zimanowski, B., 2019, SUSTAIN drilling at Surtsey volcano, Iceland, tracks hydrothermal and microbiological interactions in 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,{"id":70205859,"text":"70205859 - 2019 - Ecosystem scale loss of grazing habitat impacted by abundance of dominant herbivores","interactions":[],"lastModifiedDate":"2019-10-09T08:04:53","indexId":"70205859","displayToPublicDate":"2019-06-12T08:04:15","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"Ecosystem scale loss of grazing habitat impacted by abundance of dominant herbivores","docAbstract":"Grazing lawns, patches of grazing tolerant plants with high nutrient value, provide important habitat for herbivores, and changes in abundance can impact herbivore populations.  Grazing lawns are maintained in quality and quantity by repeated grazing and are a result of a positive feedback since the availability of grazing lawn can increase herbivore populations and increased herbivore populations can result in an increase in grazing lawn extent.  We sampled aerial imagery from a long-term dataset (>20 yrs) at an internationally important breeding area for avian herbivores to model changes in grazing lawn abundance over time and identify the possible factors impacting those changes, including numbers of breeding birds, their primary predator, and spring phenology.  Our data suggests that avian herbivores and their predators likely exert strong impacts on plant communities and may drive vegetation abundance.  Decreases in the number of herbivore nests in our study coincided with an almost complete lack of grazing lawn in the mid-2000s.  Any factors dictating the amount of grazing lawn available for avian herbivores could strongly influence breeding success and the maximum size of these populations.  Our results demonstrate the importance of studying complex interactions among predators, herbivores and plants, and population moderation by both bottom-up and top-down processes.","language":"English","publisher":"Wiley","doi":"10.1002/ecs2.2767","usgsCitation":"Uher-Koch, B.D., Schmutz, J.A., Wilson, H.M., Anthony, R., Day, T.L., Fondell, T.F., Person, B.T., and Sedinger, J.S., 2019, Ecosystem scale loss of grazing habitat impacted by abundance of dominant herbivores: Ecosphere, v. 10, no. 6, e02767, https://doi.org/10.1002/ecs2.2767.","productDescription":"e02767","ipdsId":"IP-101279","costCenters":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"links":[{"id":467539,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ecs2.2767","text":"Publisher Index Page"},{"id":368147,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"10","issue":"6","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2019-06-12","publicationStatus":"PW","contributors":{"authors":[{"text":"Uher-Koch, Brian D. 0000-0002-1885-0260 buher-koch@usgs.gov","orcid":"https://orcid.org/0000-0002-1885-0260","contributorId":5117,"corporation":false,"usgs":true,"family":"Uher-Koch","given":"Brian","email":"buher-koch@usgs.gov","middleInitial":"D.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":772645,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schmutz, Joel A. 0000-0002-6516-0836 jschmutz@usgs.gov","orcid":"https://orcid.org/0000-0002-6516-0836","contributorId":1805,"corporation":false,"usgs":true,"family":"Schmutz","given":"Joel","email":"jschmutz@usgs.gov","middleInitial":"A.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":772646,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wilson, Heather M.","contributorId":37056,"corporation":false,"usgs":false,"family":"Wilson","given":"Heather","email":"","middleInitial":"M.","affiliations":[{"id":13236,"text":"U.S. Fish and Wildlife Service, Migratory Bird Management","active":true,"usgs":false}],"preferred":false,"id":772647,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Anthony, R Michael","contributorId":219603,"corporation":false,"usgs":false,"family":"Anthony","given":"R Michael","affiliations":[{"id":40038,"text":"USGS Alaska Science Center (Retired)","active":true,"usgs":false}],"preferred":false,"id":772648,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Day, Thomas L","contributorId":219604,"corporation":false,"usgs":false,"family":"Day","given":"Thomas","email":"","middleInitial":"L","affiliations":[{"id":12915,"text":"Alaska Pacific University","active":true,"usgs":false}],"preferred":false,"id":772649,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Fondell, Thomas F tfondell@usgs.gov","contributorId":219605,"corporation":false,"usgs":false,"family":"Fondell","given":"Thomas","email":"tfondell@usgs.gov","middleInitial":"F","affiliations":[{"id":40039,"text":"USGS Alaska Science Center (Deceased)","active":true,"usgs":false}],"preferred":false,"id":772650,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Person, Brian T.","contributorId":107457,"corporation":false,"usgs":false,"family":"Person","given":"Brian","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":772651,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Sedinger, James S.","contributorId":213694,"corporation":false,"usgs":false,"family":"Sedinger","given":"James","email":"","middleInitial":"S.","affiliations":[{"id":12742,"text":"University of Nevada Reno","active":true,"usgs":false}],"preferred":false,"id":772652,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70207038,"text":"70207038 - 2019 - Adaptive harvest management for the Svalbard population of pink‐footed geese: 2019 progress summary","interactions":[],"lastModifiedDate":"2019-12-04T15:55:23","indexId":"70207038","displayToPublicDate":"2019-06-11T15:54:36","publicationYear":"2019","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"title":"Adaptive harvest management for the Svalbard population of pink‐footed geese: 2019 progress summary","docAbstract":"This report describes an Adaptive Harvest Management (AHM) program designed to maintain the Svalbard population of Pink-footed Geese (Anser brachyrhynchus) near their target level (60,000) by providing sustainable harvests in Norway and Denmark. Specifically, this report provides recent monitoring and assessment results and their implications for the 2019 hunting season.\n\nIn this report we provide results for both the set of nine discrete population models used since 2013 and for a recently developed Integrated Population Model (IPM). Updating model weights (set of nine models) and model parameters (IPM) use the most recent monitoring information available (i.e. through spring 2019). We also compare optimal harvest strategies based on the two modeling approaches. Of growing concern, however, has been the observation that the predictive ability of the original population models has declined over time. Going forward, we suggest that use of the IPM is a superior modeling approach for setting hunting seasons for\nPink-footed Geese.\n\nPopulation sizes in May as estimated by the IPM are in general agreement with counts and capture-markrecapture estimates but are more precise. Estimates of survival from natural causes were relatively constant over time with a mean of 0.93 and estimates of adult kill rate ranged from 0.04 to 0.13. Estimates of countryspecific kill rates suggest that most of the overall increase in kill rate in recent years is attributed to increasing harvest pressure in Denmark. With respect to productivity, the IPM produced estimates of preseason age ratio that were variable over time, but on average suggested that young constituted about 18% of the population just\nprior to the hunting season. Estimates of the preseason age ratio correlated well with the number of days above freezing in May in Svalbard. Our results suggest that population size has stabilized because of declining survival rates that have accompanied an increase in kill rates. Adoption of the IPM this year would result in a harvest quota for the 2019 hunting season of 22,000, based on a May population estimate of 76,500 (95% CI: 66,800 – 86,600) and 8 days above freezing in Svalbard. Using the agreed upon allocation of the total allowable\nharvest, the quotas are 6,600 for Norway and 15,400 for Denmark. Assuming the total quota is met, the IPM predicts a population size in May 2020 of 64,900 (95% CI: 50,300 – 83,700).\n\nWe note that the updated set of original models used since 2013 suggests an allowable harvest of 40,000 in 2019 based on a November 2018 count of 91,900 geese (comprised of 12,900 young and 79,000 adults). We are skeptical of this large quota, however. Using all available demographic data suggests that the November 2018 population size was lower than that indicated by the count and that the winter population experienced more natural mortality than expected. These insights demonstrate the inherent risk of basing a harvest quota\non a single population count, irrespective of other demographic data.","language":"English","publisher":"AEWA European Goose Management International Working Group","collaboration":"Aarhus University, Denmark","usgsCitation":"Johnson, F., Heldbjerg, H., Clausen, K.K., and Madsen, J., 2019, Adaptive harvest management for the Svalbard population of pink‐footed geese: 2019 progress summary, 19 p.","productDescription":"19 p.","ipdsId":"IP-108881","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":369923,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":369893,"type":{"id":11,"text":"Document"},"url":"https://egmp.aewa.info/sites/default/files/meeting_files/documents/AEWA_EGM_IWG_4_7_PFG_AHM%20update.pdf"}],"publishingServiceCenter":{"id":5,"text":"Lafayette PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Johnson, Fred 0000-0002-5854-3695","orcid":"https://orcid.org/0000-0002-5854-3695","contributorId":221013,"corporation":false,"usgs":true,"family":"Johnson","given":"Fred","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":776594,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Heldbjerg, Henning","contributorId":174479,"corporation":false,"usgs":false,"family":"Heldbjerg","given":"Henning","email":"","affiliations":[],"preferred":false,"id":776595,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Clausen, Kevin K.","contributorId":174355,"corporation":false,"usgs":false,"family":"Clausen","given":"Kevin","email":"","middleInitial":"K.","affiliations":[{"id":13419,"text":"Aarhus University, Denmark","active":true,"usgs":false}],"preferred":false,"id":776596,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Madsen, Jesper","contributorId":178168,"corporation":false,"usgs":false,"family":"Madsen","given":"Jesper","email":"","affiliations":[],"preferred":false,"id":776597,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70203875,"text":"70203875 - 2019 - Soil characteristics are associated with gradients of big sagebrush canopy structure after disturbance","interactions":[],"lastModifiedDate":"2019-08-15T12:19:43","indexId":"70203875","displayToPublicDate":"2019-06-11T14:21:18","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"Soil characteristics are associated with gradients of big sagebrush canopy structure after disturbance","docAbstract":"Reestablishing shrub canopy cover after disturbance in semi-arid ecosystems, such as sagebrush steppe, is essential to provide wildlife habitat and restore ecosystem functioning. While several studies have explored the effects of landscape and climate factors on the success or failure of sagebrush seeding, the influence of soil properties on gradients of shrub canopy structure in successfully seeded areas remains largely unexplored. In this study, we evaluated associations between soil properties and gradients in sagebrush canopy structure in stands that had successfully reestablished after fire and subsequent seeding treatments. Using a dataset collected across the Great Basin, USA, of sagebrush stands that had burned and reestablished\nbetween 1986 and 2013, we tested soil depth and texture, soil surface classification, biological soil crusts plus mean historical precipitation, solar heatload, and fire history as modeling variables to explore gradients in sagebrush canopy structure growth in terms of cover, height, and density. Deeper soils were associated with greater sagebrush canopy structure development in terms of plant density and percent cover, coarser textured soils were associated with greater sagebrush cover and density, and more clayey soils were typically associated with greater height. Biological crust presence was also positively associated with enhanced sagebrush canopy growth, but adding more demographically or morphologically explicit descriptions of biocrust communities did not improve explanatory power. Increasing heatload had a negative effect on sagebrush canopy structure growth, and increased mean annual precipitation was only associated with greater sagebrush height. Given that conservation and restoration of the sagebrush steppe ecosystems has become a priority for land managers, the associations we identify between gradients in post-fire sagebrush canopy structure growth and field-identifiable soil characteristics may improve planning of land treatments for sagebrush restoration and the understanding of semi-arid ecosystem functioning and post-disturbance dynamics.","language":"English","publisher":"Ecological Society of America","doi":"10.1002/ecs2.2780","usgsCitation":"Barnard, D., Germino, M., Arkle, R., Bradford, J., Duniway, M., Pilliod, D.S., Pyke, D., Shriver, R., and Welty, J.L., 2019, Soil characteristics are associated with gradients of big sagebrush canopy structure after disturbance: Ecosphere, v. 10, no. 6, e02780, 12 p., https://doi.org/10.1002/ecs2.2780.","productDescription":"e02780, 12 p.","ipdsId":"IP-101399","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":467540,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ecs2.2780","text":"Publisher Index Page"},{"id":364792,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"10","issue":"6","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2019-06-11","publicationStatus":"PW","contributors":{"authors":[{"text":"Barnard, David","contributorId":216338,"corporation":false,"usgs":true,"family":"Barnard","given":"David","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764545,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Germino, Matthew J. 0000-0001-6326-7579 mgermino@usgs.gov","orcid":"https://orcid.org/0000-0001-6326-7579","contributorId":152582,"corporation":false,"usgs":true,"family":"Germino","given":"Matthew J.","email":"mgermino@usgs.gov","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764544,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Arkle, Robert 0000-0003-3021-1389","orcid":"https://orcid.org/0000-0003-3021-1389","contributorId":216339,"corporation":false,"usgs":true,"family":"Arkle","given":"Robert","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764546,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bradford, John","contributorId":216340,"corporation":false,"usgs":true,"family":"Bradford","given":"John","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":764547,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Duniway, Michael","contributorId":216341,"corporation":false,"usgs":true,"family":"Duniway","given":"Michael","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":764548,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Pilliod, David S. 0000-0003-4207-3518","orcid":"https://orcid.org/0000-0003-4207-3518","contributorId":216342,"corporation":false,"usgs":true,"family":"Pilliod","given":"David","middleInitial":"S.","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764549,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Pyke, David 0000-0002-4578-8335 david_a_pyke@usgs.gov","orcid":"https://orcid.org/0000-0002-4578-8335","contributorId":216343,"corporation":false,"usgs":true,"family":"Pyke","given":"David","email":"david_a_pyke@usgs.gov","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764550,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Shriver, Robert","contributorId":216344,"corporation":false,"usgs":true,"family":"Shriver","given":"Robert","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":764551,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Welty, Justin L. 0000-0001-7829-7324 jwelty@usgs.gov","orcid":"https://orcid.org/0000-0001-7829-7324","contributorId":216345,"corporation":false,"usgs":true,"family":"Welty","given":"Justin","email":"jwelty@usgs.gov","middleInitial":"L.","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":764552,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70202827,"text":"sir20195016 - 2019 - Interpretation of dye tracing data collected November 13–December 2, 2017, at the Savoy Experimental Watershed as part of the Advanced Groundwater Field Techniques in Karst Terrains course, Savoy, Arkansas","interactions":[],"lastModifiedDate":"2019-06-11T17:41:25","indexId":"sir20195016","displayToPublicDate":"2019-06-11T14:00:00","publicationYear":"2019","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2019-5016","displayTitle":"Interpretation of Dye Tracing Data Collected November 13–December 2, 2017, at the Savoy Experimental Watershed as part of the Advanced Groundwater Field Techniques in Karst Terrains Course, Savoy, Arkansas","title":"Interpretation of dye tracing data collected November 13–December 2, 2017, at the Savoy Experimental Watershed as part of the Advanced Groundwater Field Techniques in Karst Terrains course, Savoy, Arkansas","docAbstract":"The first course on the use of advanced groundwater field techniques for karst aquifers was conducted November 13–17, 2017, at the University of Arkansas Savoy Experimental Watershed (SEW), which is located on pastures for beef livestock research conducted by the Department of Animal Sciences at the University of Arkansas at Savoy, Arkansas. The SEW is an interdisciplinary, collaborative, long-term research site for the study of animal-waste management in a mantled karst setting. The course focused on advanced field activities appropriate for karst aquifer studies: dye tracing, groundwater/surface-water interactions, geophysical methods, and geochemistry. This report summarizes the data collected and interpreted from the dye tracing part of the November 2017 course, other USGS field courses, and past dye tracing investigations conducted by University of Arkansas students.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20195016","collaboration":"Prepared in Collaboration with the University of Arkansas Department of Geosciences","usgsCitation":"Kuniansky, E.L., Blackstock, J.M., Wagner, D.M., and Brahana, J.V., 2019, Interpretation of dye tracing data collected, November 13–December 2, 2017, at the Savoy Experimental Watershed as part of the  Advanced Groundwater Field Techniques in Karst Terrains Course, Savoy, Arkansas: U.S. Geological Survey Scientific Investigations Report 2019–5016, 41 p., https://doi.org/10.3133/sir20195016.","productDescription":"Report: 41 p.;Data Release","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-101252","costCenters":[{"id":509,"text":"Office of the Associate Director for Water","active":true,"usgs":true},{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"links":[{"id":364493,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2019/5016/coverthb.jpg"},{"id":364494,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2019/5016/sir20195016.pdf","text":"Report","size":"4.18 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2019-5016"},{"id":364495,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P935TENP","text":"USGS data release","description":"USGS data release"}],"country":"United States","state":"Arkansas","county":"Washington County","city":"Savoy","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-93.8883,36.2353],[-93.945,36.0915],[-93.946,36.0415],[-93.9508,35.8749],[-93.9521,35.8336],[-93.9617,35.8339],[-93.9638,35.7608],[-94.1073,35.7642],[-94.1181,35.7645],[-94.1244,35.7649],[-94.1251,35.7503],[-94.1546,35.7511],[-94.2295,35.7529],[-94.3038,35.7547],[-94.3407,35.7558],[-94.4854,35.7592],[-94.4947,35.7594],[-94.4955,35.7648],[-94.5199,35.9205],[-94.5301,35.986],[-94.5338,36.0093],[-94.5498,36.1027],[-94.5433,36.102],[-94.5274,36.1019],[-94.4801,36.1006],[-94.4624,36.1001],[-94.4447,36.0995],[-94.4242,36.0995],[-94.4071,36.0994],[-94.3889,36.0988],[-94.3891,36.1433],[-94.3561,36.1426],[-94.3367,36.1425],[-94.3352,36.1856],[-94.3349,36.2147],[-94.2819,36.2139],[-94.279,36.2135],[-94.2504,36.2127],[-94.1785,36.2113],[-94.174,36.2114],[-94.154,36.2108],[-94.021,36.2086],[-94.013,36.2083],[-94.0131,36.2305],[-94.0127,36.2382],[-94.0024,36.238],[-93.9893,36.2373],[-93.8883,36.2353]]]},\"properties\":{\"name\":\"Washington\",\"state\":\"AR\"}}]}","contact":"<p>Director, <a href=\"https://www.usgs.gov/centers/lmg-water\" data-mce-href=\"https://www.usgs.gov/centers/lmg-water\">Lower Mississippi Gulf Water Science Center</a><br>U.S. Geological Survey<br>640 Grassmere Park Drive<br>Nashville, TN 37211</p>","tableOfContents":"<ul><li>Abstract</li><li>Introduction</li><li>Fluorescent Dye Tracing</li><li>References Cited</li><li>Appendix 1. Instructor Profiles GW2227 Advanced Groundwater Field Techniques in Karst Terrains Fayetteville, Arkansas, November 13–17, 2017</li><li>Appendix 2. Savoy Experimental Watershed Theses, Dissertations, and Papers</li><li>Appendix 3. Planned Agenda for Advanced Groundwater Field Techniques in Karst Terrains, GW2227, November 13–17, 2017</li></ul>","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"publishedDate":"2019-06-11","noUsgsAuthors":false,"publicationDate":"2019-06-11","publicationStatus":"PW","contributors":{"authors":[{"text":"Kuniansky, Eve L. 0000-0002-5581-0225","orcid":"https://orcid.org/0000-0002-5581-0225","contributorId":214542,"corporation":false,"usgs":true,"family":"Kuniansky","given":"Eve","email":"","middleInitial":"L.","affiliations":[{"id":509,"text":"Office of the Associate Director for Water","active":true,"usgs":true}],"preferred":true,"id":760164,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Blackstock, Joshua M.","contributorId":214543,"corporation":false,"usgs":false,"family":"Blackstock","given":"Joshua M.","affiliations":[{"id":6623,"text":"University of Arkansas","active":true,"usgs":false}],"preferred":false,"id":760165,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wagner, Daniel M. 0000-0002-0432-450X dwagner@usgs.gov","orcid":"https://orcid.org/0000-0002-0432-450X","contributorId":4531,"corporation":false,"usgs":true,"family":"Wagner","given":"Daniel","email":"dwagner@usgs.gov","middleInitial":"M.","affiliations":[{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true},{"id":129,"text":"Arkansas Water Science Center","active":true,"usgs":true},{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"preferred":true,"id":763912,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brahana, J. Van","contributorId":214544,"corporation":false,"usgs":false,"family":"Brahana","given":"J.","email":"","middleInitial":"Van","affiliations":[{"id":6623,"text":"University of Arkansas","active":true,"usgs":false}],"preferred":false,"id":760167,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70203779,"text":"70203779 - 2019 - Changes in hydrodynamics and wave energy as a result of seagrass decline along the shoreline of a microtidal back-barrier estuary","interactions":[],"lastModifiedDate":"2019-06-12T08:37:24","indexId":"70203779","displayToPublicDate":"2019-06-11T13:59:08","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":664,"text":"Advances in Water Resources","active":true,"publicationSubtype":{"id":10}},"title":"Changes in hydrodynamics and wave energy as a result of seagrass decline along the shoreline of a microtidal back-barrier estuary","docAbstract":"Seagrasses are marine flowering plants that provide key ecological services. In recent decades, multiple stressors have caused a worldwide decline in seagrass beds. Changes in bottom friction associated with seagrass loss are expected to influence the ability of estuarine systems to trap sediment inputs through local and regional changes in hydrodynamics. Herein, we conduct a numerical study using six historical maps of seagrass distribution in Barnegat Bay, USA, to demonstrate that reductions in seagrass coverage destabilize estuarine systems, decreasing their flood-dominance in the areas interested by seagrass disappearance and increasing bed-shear stress values across the entire back-barrier basin. Furthermore, we reveal how seagrass decline has considerably increased the impact of wind-waves on marsh edges between 1968 and 2009. From a comparison with a numerical experiment without submerged aquatic vegetation, we estimate that up to 40% of the computed wave thrust on marsh boundaries can be reduced by seagrass beds and we find that the location of a seagrass patch in addition to its aerial extent plays a crucial role in this attenuation process. This study highlights the benefits of seagrass meadows in enhancing estuarine resilience and reducing marsh-edge retreat by wind-wave attack, which is recognized as a chief agent in lateral marsh loss.","language":"English","publisher":"Elsevier","doi":"10.1016/j.advwatres.2019.04.017","usgsCitation":"Donatelli, C., Ganju, N.K., Kalra, T., Fagherazzi, S., and Leonardi, N., 2019, Changes in hydrodynamics and wave energy as a result of seagrass decline along the shoreline of a microtidal back-barrier estuary: Advances in Water Resources, v. 128, p. 183-192, https://doi.org/10.1016/j.advwatres.2019.04.017.","productDescription":"10 p.","startPage":"183","endPage":"192","ipdsId":"IP-104587","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":364598,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"128","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Donatelli, Carmine","contributorId":205614,"corporation":false,"usgs":false,"family":"Donatelli","given":"Carmine","email":"","affiliations":[{"id":37127,"text":"University of Liverpool, Liverpool UK","active":true,"usgs":false}],"preferred":false,"id":764101,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ganju, Neil Kamal 0000-0002-1096-0465 nganju@usgs.gov","orcid":"https://orcid.org/0000-0002-1096-0465","contributorId":192273,"corporation":false,"usgs":true,"family":"Ganju","given":"Neil","email":"nganju@usgs.gov","middleInitial":"Kamal","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":764102,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kalra, Tarandeep S. 0000-0001-5468-248X tkalra@usgs.gov","orcid":"https://orcid.org/0000-0001-5468-248X","contributorId":178820,"corporation":false,"usgs":true,"family":"Kalra","given":"Tarandeep S.","email":"tkalra@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":764103,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Fagherazzi, S","contributorId":178686,"corporation":false,"usgs":false,"family":"Fagherazzi","given":"S","affiliations":[],"preferred":false,"id":764104,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Leonardi, Nicoletta","contributorId":202868,"corporation":false,"usgs":false,"family":"Leonardi","given":"Nicoletta","email":"","affiliations":[{"id":36541,"text":"University of Liverpool, Department of Geography and Planning, 74 Bedford St S.","active":true,"usgs":false}],"preferred":false,"id":764105,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70203682,"text":"70203682 - 2019 - The roles of flow acceleration and deceleration in sediment suspension in the surf zone","interactions":[],"lastModifiedDate":"2019-06-12T08:41:19","indexId":"70203682","displayToPublicDate":"2019-06-11T12:30:27","publicationYear":"2019","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"The roles of flow acceleration and deceleration in sediment suspension in the surf zone","docAbstract":"Prediction of sediment suspension in the surf zone remains elusive. We explore how suspended sediment concentration at 19 cm above the bed in the mid-surf zone during a storm is influenced by flow acceleration and deceleration. There is a tendency for higher suspended sediment concentrations during onshore flow, with decelerating onshore flows having higher concentrations than steady, accelerating, or reversing flows. The development of models that exploit information on flow acceleration, deceleration, and flow reversal may lead to improved ability to predict suspended sediment transport in the surf zone and resulting geomorphic changes.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Coastal Sediments 2019, Proceedings of the 9th International Conference","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"9th International Conference on Coastal Sediments 2019","conferenceDate":"May 27-31, 2019","conferenceLocation":"Tampa/St. Petersburg, Florida","language":"English","publisher":"World Scientific","doi":"10.1142/9789811204487_0050","usgsCitation":"Jaffe, B.E., and La Selle, S., 2019, The roles of flow acceleration and deceleration in sediment suspension in the surf zone, <i>in</i> Coastal Sediments 2019, Proceedings of the 9th International Conference, Tampa/St. Petersburg, Florida, May 27-31, 2019, p. 565-576, https://doi.org/10.1142/9789811204487_0050.","productDescription":"12 p.","startPage":"565","endPage":"576","ipdsId":"IP-105729","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":364594,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2019-05-16","publicationStatus":"PW","contributors":{"authors":[{"text":"Jaffe, Bruce E. 0000-0002-8816-5920 bjaffe@usgs.gov","orcid":"https://orcid.org/0000-0002-8816-5920","contributorId":2049,"corporation":false,"usgs":true,"family":"Jaffe","given":"Bruce","email":"bjaffe@usgs.gov","middleInitial":"E.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true},{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"preferred":true,"id":763586,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"La Selle, SeanPaul 0000-0002-4500-7885 slaselle@usgs.gov","orcid":"https://orcid.org/0000-0002-4500-7885","contributorId":181565,"corporation":false,"usgs":true,"family":"La Selle","given":"SeanPaul","email":"slaselle@usgs.gov","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":763587,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70204112,"text":"70204112 - 2019 - Corrigendum to “A comprehensive analysis of interseasonal and interannual energy and water balance dynamics in semiarid shrubland and forest ecosystems” [Sci. Total Environ. 651 (2019) 381–398]","interactions":[],"lastModifiedDate":"2019-07-08T10:48:28","indexId":"70204112","displayToPublicDate":"2019-06-11T10:48:14","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3352,"text":"Science of the Total Environment","active":true,"publicationSubtype":{"id":10}},"title":"Corrigendum to “A comprehensive analysis of interseasonal and interannual energy and water balance dynamics in semiarid shrubland and forest ecosystems” [Sci. Total Environ. 651 (2019) 381–398]","docAbstract":"The authors regret the omission of an author, funding sources, and key support staff.\n\nThe omitted author and their affiliation is:\n\nMatthew J Germino\n\nUS Geological Survey, Forest and Rangeland Ecosystem Science Center, Boise ID 83706.\n\nThe correct citation should be:\n\nValayamkunnath, P., Sridhar, V., Zhao, W. Allen, R.G., and Germino, M.J., 2019. A comprehensive analysis of interseasonal and interannual energy and water balance dynamics in semiarid shrubland and forest ecosystems. Science of The Total Environment, 651, 381–398.\n\nAdditions to the Acknowledgements include:\n\nFunding was provided by the U.S. Bureau of Land Management and US Department of Agriculture National Research Initiative. Jeremy Greth, Clarence Robinson, Ricardo Trezza, Jeppe Kjaersgaard, and many other field technicians from Idaho State University and Boise State University assisted in setting up the experiment. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.","language":"English","publisher":"Elsevier","doi":"10.1016/j.scitotenv.2019.06.059","usgsCitation":"Valayamkunnath, P., Sridhar, V., Zhao, W., Allen, R.G., and Germino, M., 2019, Corrigendum to “A comprehensive analysis of interseasonal and interannual energy and water balance dynamics in semiarid shrubland and forest ecosystems” [Sci. Total Environ. 651 (2019) 381–398]: Science of the Total Environment, v. 686, https://doi.org/10.1016/j.scitotenv.2019.06.059.","productDescription":"1 p.","startPage":"847","ipdsId":"IP-108885","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":365331,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"686","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Valayamkunnath, Prasanth","contributorId":216799,"corporation":false,"usgs":false,"family":"Valayamkunnath","given":"Prasanth","email":"","affiliations":[{"id":12694,"text":"Virginia Tech","active":true,"usgs":false}],"preferred":false,"id":765564,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sridhar, Venkataramana","contributorId":216800,"corporation":false,"usgs":false,"family":"Sridhar","given":"Venkataramana","email":"","affiliations":[{"id":12694,"text":"Virginia Tech","active":true,"usgs":false}],"preferred":false,"id":765565,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zhao, Wenguang","contributorId":195243,"corporation":false,"usgs":false,"family":"Zhao","given":"Wenguang","email":"","affiliations":[],"preferred":false,"id":765566,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Allen, Richard G","contributorId":216801,"corporation":false,"usgs":false,"family":"Allen","given":"Richard","email":"","middleInitial":"G","affiliations":[{"id":36394,"text":"University of Idaho","active":true,"usgs":false}],"preferred":false,"id":765567,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Germino, Matthew J. 0000-0001-6326-7579 mgermino@usgs.gov","orcid":"https://orcid.org/0000-0001-6326-7579","contributorId":152582,"corporation":false,"usgs":true,"family":"Germino","given":"Matthew J.","email":"mgermino@usgs.gov","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":765563,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70203763,"text":"70203763 - 2019 - Evaluating the sustainability of a cisco fishery in Thunder Bay, Ontario, under alternative harvest policies","interactions":[],"lastModifiedDate":"2025-02-07T15:30:37.297704","indexId":"70203763","displayToPublicDate":"2019-06-11T10:06:49","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating the sustainability of a cisco fishery in Thunder Bay, Ontario, under alternative harvest policies","docAbstract":"<p><span>Sustainable management of fish stocks is promoted through the application of management strategy evaluations (MSEs), providing information to managers on the relative performance of alternative management approaches (strategies) while accounting for uncertainty. In this study, we developed a simplified MSE of a stock of Cisco&nbsp;</span><i>Coregonus artedi</i><span>&nbsp;in Thunder Bay, Ontario, to determine both the sustainability of the current harvest control rule (i.e., a constant exploitation rate [</span><i>U</i><span>] of 10%) and the performance of alternative harvest control rules in meeting fishery objectives. Success in meeting fishery objectives was evaluated through attained yields, interannual variation in yields, magnitude of spawning stock biomass (SB), and the risk of reaching low SB—performance metrics established based on consultation with an advisory group to Lake Superior fishery managers. Our simulations explicitly accounted for uncertainty in the frequency of strong year‐classes being produced by Cisco, the stock–recruit relationship, stock abundance, and the sex‐specific nature of roe harvest. Assuming that future productivity is similar to the productivity observed over the period from 1985 to 2015, results suggest that the current&nbsp;</span><i>U</i><span>&nbsp;of 10% is sustainable in terms of maintaining SB above 20% of the unfished level. Variants of constant&nbsp;</span><i>U</i><span>&nbsp;control rules that included thresholds defining when&nbsp;</span><i>U</i><span>&nbsp;is to decrease as a function of SB increased yield, decreased risk, and increased the magnitude of SB at the end of the simulation period. However, these advantages came at the expense of greater interannual variation in yield. Constant catch control rules greatly underperformed constant&nbsp;</span><i>U</i><span>&nbsp;control rules in terms of magnitude in yield; however, they did reduce interannual variation in yield compared to constant&nbsp;</span><i>U</i><span>control rules. Furthermore, conditional versions of constant catch control rules (i.e., threshold stock sizes below which the catch limit was reduced) mitigated risks of staying at low stock size.</span></p>","language":"English","publisher":"Wiley","doi":"10.1002/nafm.10290","usgsCitation":"Fisch, N.C., Bence, J., Myers, J.T., Berglund, E.K., and Yule, D., 2019, Evaluating the sustainability of a cisco fishery in Thunder Bay, Ontario, under alternative harvest policies: North American Journal of Fisheries Management, v. 39, no. 3, p. 543-559, https://doi.org/10.1002/nafm.10290.","productDescription":"17 p.","startPage":"543","endPage":"559","ipdsId":"IP-097247","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":364588,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada","city":"Thunder 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,{"id":70203773,"text":"70203773 - 2019 - Is barotrauma an important factor in the discard mortality of Yellow Perch?","interactions":[],"lastModifiedDate":"2019-06-12T08:46:29","indexId":"70203773","displayToPublicDate":"2019-06-11T09:58:46","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2287,"text":"Journal of Fish and Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Is barotrauma an important factor in the discard mortality of Yellow Perch?","docAbstract":"In physoclistous fishes, barotrauma caused by rapid decompression during capture may be an important source of fishing mortality that is unquantified for some fisheries. We developed a predictive logistic model for barotrauma incidence in Yellow Perch Perca flavescens and applied this model to Ohio's recreational and commercial fisheries in Lake Erie where fisheries managers implicitly consider discard mortality to be negligible in current stock assessment. As expected, capture depth explained most of the variation in incidence, with comparatively small effects of season, sex, and size categories. Measurements of whole body and gonad density provided limited explanation for the categorical effects. Both fisheries spanned a range of depths (7.6 to 16.8 m) that corresponded to a broad range of barotrauma incidence (13 to 74%). Using a recent example, we estimated that additional fishing mortality due to barotrauma in discards was approximately six-fold higher in the commercial than recreational fishery. Overall, this additional mortality was <1% of lake-wide population size estimates. Thus, the assumption that all discarded Yellow Perch survive is unlikely to result in a detectable bias in population estimates. One caveat is that we still do not understand how strong year-classes might influence discard mortality via increased discard rate and barotrauma incidence for small fish.","language":"English","publisher":"US Fish and Wildlife Service","doi":"10.3996/062018-JFWM-056","usgsCitation":"Knight, C., Kraus, R.T., Panos, D., Gorman, A.M., Leonhardt, B., Robinson, J., and Thomas, M.J., 2019, Is barotrauma an important factor in the discard mortality of Yellow Perch?: Journal of Fish and Wildlife Management, v. 10, no. 1, p. 69-78, https://doi.org/10.3996/062018-JFWM-056.","productDescription":"10 p.","startPage":"69","endPage":"78","onlineOnly":"N","ipdsId":"IP-098140","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":467541,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3996/062018-jfwm-056","text":"Publisher Index Page"},{"id":364587,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Lake Erie","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -84,\n              41\n            ],\n            [\n              -78.49731445312499,\n              41\n            ],\n            [\n              -78.49731445312499,\n              43.36512572875844\n            ],\n            [\n              -84,\n              43.36512572875844\n            ],\n            [\n              -84,\n              41\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"10","issue":"1","publishingServiceCenter":{"id":15,"text":"Madison PSC"},"noUsgsAuthors":false,"publicationDate":"2018-12-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Knight, Carey","contributorId":216161,"corporation":false,"usgs":false,"family":"Knight","given":"Carey","affiliations":[{"id":16232,"text":"Ohio Department of Natural Resources","active":true,"usgs":false}],"preferred":false,"id":764065,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kraus, Richard T. 0000-0003-4494-1841 rkraus@usgs.gov","orcid":"https://orcid.org/0000-0003-4494-1841","contributorId":2609,"corporation":false,"usgs":true,"family":"Kraus","given":"Richard","email":"rkraus@usgs.gov","middleInitial":"T.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":764064,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Panos, Demetra","contributorId":216162,"corporation":false,"usgs":false,"family":"Panos","given":"Demetra","email":"","affiliations":[{"id":39374,"text":"University of California Northridge","active":true,"usgs":false}],"preferred":false,"id":764066,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gorman, Ann Marie","contributorId":145525,"corporation":false,"usgs":false,"family":"Gorman","given":"Ann","email":"","middleInitial":"Marie","affiliations":[],"preferred":false,"id":764067,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Leonhardt, Benjamin","contributorId":216163,"corporation":false,"usgs":false,"family":"Leonhardt","given":"Benjamin","affiliations":[{"id":16232,"text":"Ohio Department of Natural Resources","active":true,"usgs":false}],"preferred":false,"id":764068,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Robinson, Jason","contributorId":216164,"corporation":false,"usgs":false,"family":"Robinson","given":"Jason","affiliations":[{"id":13678,"text":"New York State Department of Environmental Conservation","active":true,"usgs":false}],"preferred":false,"id":764069,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Thomas, Michael J.","contributorId":196240,"corporation":false,"usgs":false,"family":"Thomas","given":"Michael","email":"","middleInitial":"J.","affiliations":[{"id":590,"text":"U.S. Army Corps of Engineers","active":false,"usgs":false}],"preferred":false,"id":764070,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70203777,"text":"70203777 - 2019 - Aquatic vegetation and invertebrate communities of Big Stone National Wildlife Refuge","interactions":[],"lastModifiedDate":"2019-06-12T08:48:59","indexId":"70203777","displayToPublicDate":"2019-06-11T09:54:35","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2287,"text":"Journal of Fish and Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Aquatic vegetation and invertebrate communities of Big Stone National Wildlife Refuge","docAbstract":"Observed degradation of aquatic systems at Big Stone National Wildlife Refuge, located in west-central Minnesota, have been associated with sediment-laden inflows from riverine systems. To support management, a study was conducted during 2013–2014 with overall goals of characterizing the aquatic invertebrate and vegetation communities of the Big Stone National Wildlife Refuge and exploring relations between these communities and various water-quality parameters. Sample sites were located along an observed vegetation gradient and assigned to\nthree predetermined habitat zones for comparison purposes: upstream, transition, and downstream. Of the 12 species of aquatic vegetation that were identified, invasive narrowleaf cattail Typha angustifolia dominated the upstream zone (observed at .90% of sample locations), coontail Ceratophyllum demersum and narrowleaf cattail were most common in the transition zone (collected or observed at 100 and 83% of sample locations, respectively), and coontail and\nnarrowleaf pondweed Potamogeton strictifolius were most common in the downstream zone collected at 100 and 64% of sample locations, respectively). Measured values for the water-quality parameters varied among dates, reflecting the continually fluctuating nature of riverine systems. Based on general observations across sample dates, turbidity and dissolved oxygen concentrations were greatest in the upstream zone sample sites, while oxidation-reduction potential was greatest in the downstream zone sites. There were 115 unique aquatic invertebrate taxa identified to varying levels of taxonomic resolution. Results suggested that there were overall differences in invertebrate biomass among the sample dates, but that there were no strong trends among the sample zones. Aquatic invertebrates and vegetation communities, along with the water-quality parameters, varied temporally and showed irregular relations among the sample zones. These general observations emphasize the importance of temporally and spatially intensive sampling to account for natural variation. Moreover, short- and long-term streamflow and water-level information obtained for this study demonstrated substantial variability that must be considered when conducting biotic inventories and monitoring water quality, as well as when using such data to assess management options. Periodic  monitoring of\nwetlands and associated streamflows, along with sediment loads and water quality of inflows, should allow Big Stone\nNational Wildlife Refuge staff to identify habitat degradation and potential contributing factors, and to develop\nstrategies to achieve specific management objectives and goals.","language":"English","publisher":"U.S. Fish and Wildlife Service","doi":"10.3996/082018-JFWM-066","usgsCitation":"Tangen, B., Finocchiaro, R., Newton, W.E., and Dahl, C., 2019, Aquatic vegetation and invertebrate communities of Big Stone National Wildlife Refuge: Journal of Fish and Wildlife Management, v. 1, no. 10, p. 277-294, https://doi.org/10.3996/082018-JFWM-066.","productDescription":"18 p.","startPage":"277","endPage":"294","ipdsId":"IP-070799","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":467542,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index 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wnewton@usgs.gov","orcid":"https://orcid.org/0000-0002-1377-043X","contributorId":3661,"corporation":false,"usgs":true,"family":"Newton","given":"Wesley","email":"wnewton@usgs.gov","middleInitial":"E.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":764090,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dahl, Charles F.","contributorId":214075,"corporation":false,"usgs":false,"family":"Dahl","given":"Charles F.","affiliations":[{"id":33701,"text":"former USGS-NPWRC","active":true,"usgs":false}],"preferred":false,"id":764089,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70223461,"text":"70223461 - 2019 - Proximity to unconventional shale gas infrastructure alters breeding bird abundance and distribution","interactions":[],"lastModifiedDate":"2021-08-27T13:48:34.354779","indexId":"70223461","displayToPublicDate":"2019-06-11T08:45:03","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":9101,"text":"Ornithological Applications","printIssn":"0010-5422","active":true,"publicationSubtype":{"id":10}},"title":"Proximity to unconventional shale gas infrastructure alters breeding bird abundance and distribution","docAbstract":"<p><span>Unconventional shale gas development is a rapidly expanding driver of forest loss and fragmentation in the central Appalachian region. We evaluated the relationship between breeding passerine abundances and distance from shale gas development at a long-term (2008–2017) study site in northern West Virginia, USA. We examined responses of 27 species within 3 habitat guilds: forest interior, early successional, and synanthropic. More than half of the species evaluated showed sensitivity to distance from unconventional shale gas infrastructure (e.g., well pads, access roads, pipelines). Five forest interior species occurred in greater abundances farther from shale gas development, whereas 3 forest interior gap specialists increased in abundance closer to shale gas. Early successional and synanthropic species, including the nest-parasitic Brown-headed Cowbird (</span><i>Molothrus ater</i><span>), generally occurred in greater abundances closer to shale gas infrastructure. We used interpolated distributions of 4 focal species to assess their spatial response to unconventional shale gas development over time. Our results indicate that breeding passerine distributions and community composition are changing with forest disturbance driven by unconventional shale gas energy development.</span></p>","language":"English","publisher":"Oxford Academic","doi":"10.1093/condor/duz020","usgsCitation":"Farwell, L., Wood, P.B., Brown, D., and Sheehan, J., 2019, Proximity to unconventional shale gas infrastructure alters breeding bird abundance and distribution: Ornithological Applications, v. 121, no. 3, duz020, 20 p., https://doi.org/10.1093/condor/duz020.","productDescription":"duz020, 20 p.","ipdsId":"IP-103333","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":388581,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"West Vigninia","otherGeospatial":"Lewis Wetzel Wildlife Management Area","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -80.72135925292969,\n              39.43141996823385\n            ],\n            [\n              -80.57373046875,\n              39.43141996823385\n            ],\n            [\n              -80.57373046875,\n              39.54270547059901\n            ],\n            [\n              -80.72135925292969,\n              39.54270547059901\n            ],\n            [\n              -80.72135925292969,\n              39.43141996823385\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"121","issue":"3","noUsgsAuthors":false,"publicationDate":"2019-06-11","publicationStatus":"PW","contributors":{"authors":[{"text":"Farwell, Laura S.","contributorId":264846,"corporation":false,"usgs":false,"family":"Farwell","given":"Laura S.","affiliations":[{"id":54569,"text":"West Virginai University","active":true,"usgs":false}],"preferred":false,"id":822086,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wood, Petra B. 0000-0002-8575-1705 pbwood@usgs.gov","orcid":"https://orcid.org/0000-0002-8575-1705","contributorId":199090,"corporation":false,"usgs":true,"family":"Wood","given":"Petra","email":"pbwood@usgs.gov","middleInitial":"B.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":822085,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brown, Donald J.","contributorId":264847,"corporation":false,"usgs":false,"family":"Brown","given":"Donald J.","affiliations":[{"id":12432,"text":"West Virginia University","active":true,"usgs":false}],"preferred":false,"id":822087,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sheehan, James","contributorId":264848,"corporation":false,"usgs":false,"family":"Sheehan","given":"James","affiliations":[{"id":27863,"text":"U. S. Forest Service","active":true,"usgs":false}],"preferred":false,"id":822088,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70203047,"text":"fs20193013 - 2019 - Assessment of continuous oil and gas resources in the Beetaloo Basin, Australia, 2018","interactions":[],"lastModifiedDate":"2019-06-11T08:23:51","indexId":"fs20193013","displayToPublicDate":"2019-06-10T16:45:00","publicationYear":"2019","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2019-3013","displayTitle":"Assessment of Continuous Oil and Gas Resources in the Beetaloo Basin, Australia, 2018","title":"Assessment of continuous oil and gas resources in the Beetaloo Basin, Australia, 2018","docAbstract":"<p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 429 million barrels of continuous oil and 8 trillion cubic feet of continuous gas in the Beetaloo Basin of northern Australia. </p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20193013","usgsCitation":"Schenk, C.J., Mercier, T.J., Woodall, C.A., Finn, T.M., Marra, K.R., Brownfield, M.E., Leathers-Miller, H.M., and Drake, R.M., II, 2019, Assessment of continuous oil and gas resources in the Beetaloo Basin, Australia, 2018: U.S. Geological Survey Fact Sheet 2019–3013, 2 p., https://doi.org/10.3133/fs20193013.","productDescription":"2 p.","onlineOnly":"N","ipdsId":"IP-102702","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":364487,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2019/3013/fs20193013.pdf","text":"Report","size":"604 kB","linkFileType":{"id":1,"text":"pdf"},"description":"FS 2019-3013"},{"id":364486,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/2019/3013/coverthb.jpg"}],"country":"Australia","otherGeospatial":"Beetaloo Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              126.5625,\n              -23.50355189742412\n            ],\n            [\n              142.55859375,\n              -23.50355189742412\n            ],\n            [\n              142.55859375,\n              -10.811724143275514\n            ],\n            [\n              126.5625,\n              -10.811724143275514\n            ],\n            [\n              126.5625,\n              -23.50355189742412\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","contact":"<p>Director, <a href=\"http://energy.usgs.gov/\" data-mce-href=\"http://energy.usgs.gov/\">Central Energy Resources Science Center</a><br>U.S. Geological Survey<br>Box 25046, MS-939<br>Denver, CO 80225-0046</p>","tableOfContents":"<ul><li>Introduction</li><li>Total Petroleum Systems and Assessment Units</li><li>Undiscovered Resources Summary</li><li>References Cited</li></ul>","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"publishedDate":"2019-06-10","noUsgsAuthors":false,"publicationDate":"2019-06-10","publicationStatus":"PW","contributors":{"authors":[{"text":"Schenk, Christopher J. 0000-0002-0248-7305 schenk@usgs.gov","orcid":"https://orcid.org/0000-0002-0248-7305","contributorId":826,"corporation":false,"usgs":true,"family":"Schenk","given":"Christopher","email":"schenk@usgs.gov","middleInitial":"J.","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true},{"id":164,"text":"Central Energy Resources Science 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Michael E. 0000-0003-3633-1138 mbrownfield@usgs.gov","orcid":"https://orcid.org/0000-0003-3633-1138","contributorId":1548,"corporation":false,"usgs":true,"family":"Brownfield","given":"Michael","email":"mbrownfield@usgs.gov","middleInitial":"E.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":760935,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Leathers-Miller, Heidi M. 0000-0001-5208-9906 hleathers@usgs.gov","orcid":"https://orcid.org/0000-0001-5208-9906","contributorId":150419,"corporation":false,"usgs":true,"family":"Leathers-Miller","given":"Heidi","email":"hleathers@usgs.gov","middleInitial":"M.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":760936,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Drake, Ronald M. II 0000-0002-1770-4667","orcid":"https://orcid.org/0000-0002-1770-4667","contributorId":206291,"corporation":false,"usgs":true,"family":"Drake","given":"Ronald M.","suffix":"II","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":760937,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70202729,"text":"ds1104 - 2019 - Regional hydraulic geometry characteristics of stream channels in the Ouachita Mountains of Arkansas","interactions":[],"lastModifiedDate":"2019-06-11T15:50:54","indexId":"ds1104","displayToPublicDate":"2019-06-10T15:40:56","publicationYear":"2019","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1104","displayTitle":"Regional Hydraulic Geometry Characteristics of Stream Channels in the Ouachita Mountains of Arkansas","title":"Regional hydraulic geometry characteristics of stream channels in the Ouachita Mountains of Arkansas","docAbstract":"<p>Many stream channel infrastructure, habitat, and restoration projects are being undertaken on small streams throughout Arkansas by various Federal, State, and local agencies and by private organizations and businesses with limited data on local geomorphology and streamflow relations. Equations are needed that relate drainage area above stable stream reaches and the associated basin characteristics to bankfull streamflow and the associated channel dimensions. These equations, along with streambed material particle information, provide information that can improve stream channel projects. The U.S. Geological Survey and the Arkansas Natural Resources Commission in cooperation with the U.S. Army Corps of Engineers, Little Rock District, undertook a study to develop these equations for streams in the Ouachita Mountains of Arkansas.</p><p>Seventeen streamgages operated by the U.S. Geological Survey, located on streams in the Ouachita Mountains, were selected for analysis. Regional hydraulic geometry curves that express the mathematical relation between the bankfull channel dimensions (cross-sectional area, top width, mean depth, and streamflow) and the contributing drainage areas were developed. Streambed material measurements were collected to develop descriptive statistics of the streambed particle-size distributions and percentages of substrate type at each study site. Stream reaches at each study site were classified to the Rosgen level II stream type based on the average of stream channel metrics collected from site cross sections and profiles. Of the 17 selected Ouachita Mountain stream reaches, 6 were classified as B stream types, and 11 were classified as C stream types. The B stream types have infrequently spaced pools; very stable plan forms, profiles, and banks; and narrow, gently sloping valleys, where bank vegetation is a moderate component of stability. The C stream types are meandering, point bar, riffle-pool channels associated with broad valleys having well-defined flood plains and terraces composed of alluvial soils, where bank vegetation is typically a high component of stability.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds1104","collaboration":"Prepared in cooperation with the Arkansas Natural Resources Commission and the U.S. Army Corps of Engineers, Little Rock District","usgsCitation":"Pugh, A.L., and Redman, R.K., 2019, Regional hydraulic geometry characteristics of stream channels in the Ouachita Mountains of Arkansas: U.S. Geological Survey Data Series 1104, 25 p., https://doi.org/10.3133/ds1104.","productDescription":"Report: v, 25 p.; Data Release","numberOfPages":"35","onlineOnly":"Y","ipdsId":"IP-076095","costCenters":[{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"links":[{"id":364361,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/ds/1104/ds1104.pdf","text":"Report","size":"8.10 MB","linkFileType":{"id":1,"text":"pdf"},"description":"DS 1104"},{"id":364362,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://dx.doi.org/10.5066/F7BC3WNX","text":"USGS data release ","description":"USGS Data Release","linkHelpText":"Regional Hydraulic Geometry Characteristics of Stream Channels in the Ouachita Mountains of Arkansas"},{"id":364360,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/ds/1104/coverthb.jpg"}],"country":"United States","state":"Arkansas","otherGeospatial":"Ouachita Mountains","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -95.350341796875,\n              33.6420625047537\n            ],\n            [\n              -93.306884765625,\n              33.6420625047537\n            ],\n            [\n              -93.306884765625,\n              35.34425514918409\n            ],\n            [\n              -95.350341796875,\n              35.34425514918409\n            ],\n            [\n              -95.350341796875,\n              33.6420625047537\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","contact":"<p>Director, <a data-mce-href=\"https://www.usgs.gov/centers/lmg-water\" href=\"https://www.usgs.gov/centers/lmg-water\">Lower Mississippi-Gulf Water Science Center</a><br>U.S. Geological Survey <br>640 Grassmere Park, Ste 100 <br>Nashville, TN 37211<br></p>","tableOfContents":"<ul><li>Abstract</li><li>Introduction</li><li>Data Release</li><li>Description of the Ouachita Mountains</li><li>Methods</li><li>Analysis of Regional Hydraulic Geometry Characteristics of Selected Ouachita Stream Channels</li><li>Limitations of This Study</li><li>Summary</li><li>Selected References</li></ul>","publishingServiceCenter":{"id":5,"text":"Lafayette PSC"},"publishedDate":"2019-06-10","noUsgsAuthors":false,"publicationDate":"2019-06-10","publicationStatus":"PW","contributors":{"authors":[{"text":"Pugh, Aaron L. 0000-0003-3945-5750 apugh@usgs.gov","orcid":"https://orcid.org/0000-0003-3945-5750","contributorId":214343,"corporation":false,"usgs":true,"family":"Pugh","given":"Aaron","email":"apugh@usgs.gov","middleInitial":"L.","affiliations":[{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"preferred":true,"id":759690,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Redman, Ronald K.","contributorId":214344,"corporation":false,"usgs":false,"family":"Redman","given":"Ronald","email":"","middleInitial":"K.","affiliations":[{"id":6771,"text":"Arkansas Natural Resources Commission","active":true,"usgs":false}],"preferred":false,"id":759691,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70203873,"text":"70203873 - 2019 - Post-fire rockfall and debris-flow hazard zonation in the Eagle Creek Fire burn area, Columbia River Gorge, Oregon: a tool for emergency managers and first responders","interactions":[],"lastModifiedDate":"2019-06-18T15:06:02","indexId":"70203873","displayToPublicDate":"2019-06-10T15:05:01","publicationYear":"2019","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Post-fire rockfall and debris-flow hazard zonation in the Eagle Creek Fire burn area, Columbia River Gorge, Oregon: a tool for emergency managers and first responders","docAbstract":"The Eagle Creek Fire engulfed 48,832 acres (196 km2) within the Columbia River Gorge, Oregon beginning September 2nd and was 100% contained by November 30th, 2017. The Columbia River Gorge area is steep and heavily forested characterized by cliffs and flanking talus slopes, receiving > 100 inches (> 254 cm) of precipitation annually. The Columbia River Gorge is a critical lifeline for Oregon and Washington, including interstate highway 84 (I-84) and state route 14 (SR-14), commercial train lines, freight traffic, major pipelines, shipping corridor, 1,000s of permanent residents, tourists and motorists, and major hydroelectric dams. Before the Eagle Creek Fire, there was significant landslide and debris-flow hazard. More than 80 landslides have been recorded in the Gorge during the last ~100 years, with 58 of these recorded in the exceptionally wet and stormy winters of 1996 and 1997. Several of these landslides damaged property and temporarily closed I-84, train and ship traffic. There is some uncertainty on the degree to which the fire will enhance debris-flow susceptibility, because the climate, terrain and geology is different from the regions where most post-fire debris-flow research has been conducted.  A large portion of the Columbia River Gorge National Scenic Area, including popular hiking trails, remain closed 18 months after the fire, with the Historic Columbia River Highway opened 14 months after the fire. In the aftermath of the Eagle Creek Fire, emergency managers and first responders identified a critical need for a post-fire landslide response plan and hazard map. The Oregon Department of Transportation (ODOT), the Oregon Department of Geology and Mineral Industries (DOGAMI), and the U.S. Geological Survey (USGS) participated in the creation of the plan including making a landslide hazard map specific to their outlook, which includes swift decision making during emergencies such as landslide or flood events. This paper presents a perspective of post-fire debris flow-hazard response and assessment from the Eagle Creek burn area in the Columbia River Gorge, Oregon.","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Association of Environmental and Engineering Geologists; special publication 28","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"7th Debris-Flow Hazards Mitigation Conference","conferenceDate":"June 10-13, 2019","conferenceLocation":"Golden, Colorado","language":"English","publisher":"Association of Environmental & Engineering Geologists","usgsCitation":"Calhoun, N.C., Burns, W.J., Hayduk, S., Staley, D.M., and Kean, J.W., 2019, Post-fire rockfall and debris-flow hazard zonation in the Eagle Creek Fire burn area, Columbia River Gorge, Oregon: a tool for emergency managers and first responders, <i>in</i> Association of Environmental and Engineering Geologists; special publication 28, Golden, Colorado, June 10-13, 2019, p. 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 \"}}]}","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Calhoun, Nancy C.","contributorId":216331,"corporation":false,"usgs":false,"family":"Calhoun","given":"Nancy","email":"","middleInitial":"C.","affiliations":[{"id":39395,"text":"DOGAMI","active":true,"usgs":false}],"preferred":false,"id":764530,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Burns, William J.","contributorId":216332,"corporation":false,"usgs":false,"family":"Burns","given":"William","email":"","middleInitial":"J.","affiliations":[{"id":39395,"text":"DOGAMI","active":true,"usgs":false}],"preferred":false,"id":764531,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hayduk, S.H.","contributorId":151275,"corporation":false,"usgs":false,"family":"Hayduk","given":"S.H.","email":"","affiliations":[],"preferred":false,"id":764532,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Staley, Dennis M. 0000-0002-2239-3402 dstaley@usgs.gov","orcid":"https://orcid.org/0000-0002-2239-3402","contributorId":4134,"corporation":false,"usgs":true,"family":"Staley","given":"Dennis","email":"dstaley@usgs.gov","middleInitial":"M.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":764533,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kean, Jason W. 0000-0003-3089-0369 jwkean@usgs.gov","orcid":"https://orcid.org/0000-0003-3089-0369","contributorId":1654,"corporation":false,"usgs":true,"family":"Kean","given":"Jason","email":"jwkean@usgs.gov","middleInitial":"W.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":764529,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70203872,"text":"70203872 - 2019 - Taking the pulse of debris flows: Extracting debris-flow dynamics from good vibrations in southern California and central Colorado","interactions":[],"lastModifiedDate":"2019-06-18T15:01:56","indexId":"70203872","displayToPublicDate":"2019-06-10T14:53:21","publicationYear":"2019","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Taking the pulse of debris flows: Extracting debris-flow dynamics from good vibrations in southern California and central Colorado","docAbstract":"The destructive nature of debris flows makes it difficult to quantify flow dynamics with direct instrumentation. For this reason, seismic sensors placed safely away from the flow path are often used to identify the timing and speed of debris flows. While seismic sensors have proven to be a valuable tool for event detection and early warning, their potential for identifying other aspects of debris flows (such as sediment concentration) is less studied. Here we use two monitoring sites to investigate the extent to which debris-flow dynamics can be decoded from ground vibrations. One site is a bedrock channel in a steep semiarid basin in central Colorado (Chalk Cliffs), and the other is in a debris-flow channel incised in alluvium in a recently burned area in southern California (Van Tassel).  At both sites, seismic data are measured with geophones (4.5 Hz) mounted next to the channels and sampled at high frequencies (500-1000 Hz). Independent constraints on flow dynamics are provided by laser distance meters to record flow stage (at 10 Hz) and high-definition video cameras to record flow velocity and sediment concentration. The observed debris flows at Chalk Cliffs typically consist of a series of short-duration (~30 second) surges with total durations of <40 minutes and have coarse-grained fronts and fluid-rich tails. In contrast, the events at Van Tassel are longer duration flows (>40 minutes) that begin as debris flows and transform into more steady debris floods. The arrangement of sensors at both sites allow us to identify correlations between vertical ground velocity, frequency, flow stage, and qualitative estimates of sediment concentration.","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Association of Environmental and Engineering Geologists, Special Publication #28","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"7th International Conference on Debris-Flow Hazards Mitigation","conferenceDate":"June 10-13, 2019","conferenceLocation":"Golden, Colorado","language":"English","publisher":"Association of Environmental & Engineering Geologists","usgsCitation":"Michel, A., Kean, J.W., Smith, J.B., Allstadt, K.E., and Coe, J.A., 2019, Taking the pulse of debris flows: Extracting debris-flow dynamics from good vibrations in southern California and central Colorado, <i>in</i> Association of Environmental and Engineering Geologists, Special Publication #28, Golden, Colorado, June 10-13, 2019, p. 154-161.","productDescription":"8 p.","startPage":"154","endPage":"161","ipdsId":"IP-106130","costCenters":[{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true},{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":364796,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":364778,"type":{"id":15,"text":"Index Page"},"url":"https://mountainscholar.org/handle/11124/173051"}],"country":"United States","state":"California, 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