High-resolution studies of diatoms and silicoflagellates of the past 55 kyrs in cores MD02-2517/2515 from the central Gulf of California (GoC) reveal profound changes in GoC surface waters. Roperia tesselata, a diatom proxy for late winter–early spring upwelling, and Dictyocha stapedia, a subtropical silicoflagellate indicative of GoC sea surface temperatures (SSTs) > 24 °C, are common during the Holocene but rare during Marine Isotope Stage (MIS) 2 and most of MIS 3, a relationship that likely reflects a more northerly position of the North Pacific High (NPH) during the Holocene. In contrast during most of MIS 2 (~ 27–15 ka), the persistent presence of Distephanus speculum, a silicoflagellate associated with SSTs < 16°, suggests that cold, low salinity waters penetrated into the GoC, consistent with southward displacement of the NPH.
\nDuring MIS 3 (~ 55–27 ka), increased dominance of Azpeitia nodulifera (diatom) implies that stratified, tropical waters were present year round, whereas silicoflagellate assemblages suggest that stratified tropical conditions alternated with more productive, upwelling conditions on millennial timescales. Reduced biosiliceous productivity during Heinrich events likely reflected a reduction in both surface water nutrient levels and in the strength of northwest winds due to a weakened and more southerly NPH. Conversely, enhanced biosiliceous productivity during MIS 3 interstadials was probably linked to heightened nutrient levels and a strengthened NPH. Abrupt relative abundance increases of the silicoflagellate, Dictyocha aculeata, approximate the termination of MIS3 Heinrich events and may signal times when nutrient-rich deep waters associated with the resumption of enhanced Atlantic Meridional Overturning Circulation penetrated into the central Gulf.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Marine Micropaleontology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.marmicro.2014.02.004","usgsCitation":"Barron, J.A., Bukry, D., and Cheshire, H., 2014, Response of diatom and silicoflagellate assemblages in the central Gulf of California to regional climate change during the past 55 kyrs: Marine Micropaleontology, v. 108, p. 28-40, https://doi.org/10.1016/j.marmicro.2014.02.004.","productDescription":"13 p.","startPage":"28","endPage":"40","numberOfPages":"13","ipdsId":"IP-049595","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":282514,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":282513,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.marmicro.2014.02.004"}],"country":"United States","state":"California","otherGeospatial":"Gulf Of California","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -0.01611111111111111,5.555555555555556E-4 ], [ -0.01611111111111111,8.333333333333334E-4 ], [ -0.016666666666666666,8.333333333333334E-4 ], [ -0.016666666666666666,5.555555555555556E-4 ], [ -0.01611111111111111,5.555555555555556E-4 ] ] ] } } ] }","volume":"108","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd70afe4b0b29085107307","contributors":{"authors":[{"text":"Barron, John A. 0000-0002-9309-1145 jbarron@usgs.gov","orcid":"https://orcid.org/0000-0002-9309-1145","contributorId":2222,"corporation":false,"usgs":true,"family":"Barron","given":"John","email":"jbarron@usgs.gov","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":483291,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bukry, David 0000-0003-4540-890X","orcid":"https://orcid.org/0000-0003-4540-890X","contributorId":30980,"corporation":false,"usgs":true,"family":"Bukry","given":"David","affiliations":[],"preferred":false,"id":483293,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cheshire, Heather","contributorId":11111,"corporation":false,"usgs":true,"family":"Cheshire","given":"Heather","email":"","affiliations":[],"preferred":false,"id":483292,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70040452,"text":"70040452 - 2014 - Geochemistry of hydrothermal alteration at the Qolqoleh gold deposit, northern Sanandaj–Sirjan metamorphic belt, northwestern Iran: Vectors to high-grade ore bodies","interactions":[],"lastModifiedDate":"2021-02-05T16:46:49.1799","indexId":"70040452","displayToPublicDate":"2014-01-13T10:32:39","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2302,"text":"Journal of Geochemical Exploration","active":true,"publicationSubtype":{"id":10}},"title":"Geochemistry of hydrothermal alteration at the Qolqoleh gold deposit, northern Sanandaj–Sirjan metamorphic belt, northwestern Iran: Vectors to high-grade ore bodies","docAbstract":"The Qolqoleh orogenic gold deposit in the northern part of the Sanandaj–Sirjan metamorphic belt in northwestern Iran is hosted by a steeply dipping sequence of greenschist facies Cretaceous volcano–sedimentary rocks, including mafic to intermediate metavolcanic rocks, sericite and chlorite schist, and marble. Geochemical and petrochemical data including the ∑ REE, (La/Yb)N and Eu/Eu* ratios were obtained from country rocks, ore-enveloping alteration zones, and mineralized zones to assess the nature of the trace element and rare earth element (REE) interaction between the wall rock and the mineralizing fluid.
Quartz–sulfide veins at the deposit are characterized by a pyrite–pyrrhotite–chalcopyrite–sphalerite–arsenopyrite–native gold assemblage. Alteration halos border the mineralized zones and broadly comprise: (1) an outer carbonate–chlorite alteration zone in all rock types, particularly in chlorite schist; (2) a middle sericite–carbonate alteration zone in the sericite schist; and (3) an inner quartz–sulfide alteration zone in sericite schist and mafic to intermediate metavolcanic rocks.
The geochemical data indicate that the concentrations of Al2O3, P2O5, TiO2, Y, and Zr are relatively constant, suggesting that these elements were the least mobile during hydrothermal activity. Using Al2O3 as the immobile component, there is evidence for mobility of trace elements, particularly light REE, TiO2, and Zr in the altered wall rocks. The altered rocks show a relatively light REE depletion ((La/Yb)N ≅ 9.41), which clearly correlates with the grades of gold mineralization and intensity of the alteration (3 ppm Au). The depletion of light REE is best indicated by a decrease in (La/Yb)N as shown by ratios of 10.5 to 11.8. Wall rock decarbonation reactions during infiltration of the mineralizing fluid resulted in differential mobilization of REE, from a fluid with initially low REE content.
The overall trace element geochemistry of the altered wall rock is controlled by the initial composition of the wall rocks and the ore-fluid composition. Hydrothermal ore-forming fluids are recognized as CO2-rich near-neutral reduced fluids with high values of H2S, K, and S content. Observed variability in alteration halos at the Qolqoleh deposit points to major differences in REE and trace element content in original host rocks that have interacted with a relatively similar ore fluid. Therefore, depending on the composition of each host rock lithology, the geochemistry of hydrothermal alteration (e.g., ∑ REE content and (La/Yb)N ratios) and alteration mineralogy including the carbonate–sericite–quartz–sulfide assemblages may be used as a primary tool for lithogeochemical exploration for gold deposits in northwestern Iran.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.gexplo.2014.01.007","usgsCitation":"Aliyari, F., Rastad, E., Goldfarb, R.J., and Sharif, J.A., 2014, Geochemistry of hydrothermal alteration at the Qolqoleh gold deposit, northern Sanandaj–Sirjan metamorphic belt, northwestern Iran: Vectors to high-grade ore bodies: Journal of Geochemical Exploration, v. 140, p. 111-125, https://doi.org/10.1016/j.gexplo.2014.01.007.","productDescription":"15 p.","startPage":"111","endPage":"125","ipdsId":"IP-036917","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":383052,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Iran","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 57.19482421875,\n 27.00040800352175\n ],\n [\n 54.03076171874999,\n 31.484893386890164\n ],\n [\n 49.41650390625,\n 35.17380831799959\n ],\n [\n 46.91162109375,\n 37.3002752813443\n ],\n [\n 45.74707031249999,\n 37.24782120155428\n ],\n [\n 45.615234375,\n 34.161818161230386\n ],\n [\n 48.2958984375,\n 31.690781806136822\n ],\n [\n 50.5810546875,\n 29.630771207229\n ],\n [\n 51.2841796875,\n 28.14950321154457\n ],\n [\n 52.71240234375,\n 27.31321389856826\n ],\n [\n 54.29443359375,\n 26.54922257769204\n ],\n [\n 57.23876953124999,\n 26.92206991673282\n ],\n [\n 57.19482421875,\n 27.00040800352175\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"140","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Aliyari, Farhang","contributorId":248790,"corporation":false,"usgs":false,"family":"Aliyari","given":"Farhang","email":"","affiliations":[],"preferred":false,"id":809866,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rastad, Ebrahim","contributorId":119934,"corporation":false,"usgs":true,"family":"Rastad","given":"Ebrahim","email":"","affiliations":[],"preferred":false,"id":514686,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Goldfarb, Richard J. goldfarb@usgs.gov","contributorId":1205,"corporation":false,"usgs":true,"family":"Goldfarb","given":"Richard","email":"goldfarb@usgs.gov","middleInitial":"J.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":809867,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sharif, Jafar Abdollah","contributorId":116151,"corporation":false,"usgs":true,"family":"Sharif","given":"Jafar","email":"","middleInitial":"Abdollah","affiliations":[],"preferred":false,"id":514683,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70199858,"text":"70199858 - 2014 - Effects of climate change and urban development on the distribution and conservation of vegetation in a Mediterranean type ecosystem","interactions":[],"lastModifiedDate":"2018-10-01T15:25:47","indexId":"70199858","displayToPublicDate":"2014-01-01T15:25:41","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2046,"text":"International Journal of Geographical Information Science","active":true,"publicationSubtype":{"id":10}},"title":"Effects of climate change and urban development on the distribution and conservation of vegetation in a Mediterranean type ecosystem","docAbstract":"Climate and land-use changes are projected to threaten biodiversity over this century. However, few studies have considered the spatial and temporal overlap of these threats to evaluate how ongoing land-use change could affect species ranges projected to shift outside conservation areas. We evaluated climate change and urban development effects on vegetation distribution in the Southwest ecoregion, California Floristic Province, USA. We also evaluated how well a conservation network protects suitable habitat for rare plant species under these change projections and identified primary sources of uncertainty. We used consensus-based maps from three species distribution models (SDMs) to project current and future suitable habitat for 19 species representing different functional types (defined by fire-response – obligate seeders, resprouting shrubs – and life forms – herbs, subshrubs), and range sizes (large/common, small/rare). We used one spatially explicit urban growth projection; two climate models, emission scenarios, and probability thresholds applied to SDMs; and high-resolution (90 m) environmental data. We projected that suitable habitat could disappear for 4 species and decrease for 15 by 2080. Averaged centroids of suitable habitat (all species) were projected to shift tens (up to hundreds) of kilometers. Herbs showed a small-projected response to climate change, while obligate seeders could suffer the greatest losses. Several rare species could lose suitable habitat inside conservation areas while increasing area outside. We concluded that (i) climate change is more important than urban development for vegetation habitat loss in this ecoregion through 2080 due to diminishing amounts of undeveloped private land in this region; (ii) the existing conservation plan, while extensive, may be inadequate to protect plant diversity under projected patterns of climate change and urban development, (iii) regional assessments of the dynamics of the drivers of biodiversity change based on high-resolution environmental data and consensus predictive mapping, such as this study, are necessary to identify the species expected to be the most vulnerable and to meaningfully inform regional-scale conservation.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/13658816.2013.846472","usgsCitation":"Beltran, B., Franklin, J., Syphard, A.D., Regan, H.M., Flint, L.E., and Flint, A.L., 2014, Effects of climate change and urban development on the distribution and conservation of vegetation in a Mediterranean type ecosystem: International Journal of Geographical Information Science, v. 28, no. 8, p. 1561-1589, https://doi.org/10.1080/13658816.2013.846472.","productDescription":"29 p.","startPage":"1561","endPage":"1589","ipdsId":"IP-041948","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":473238,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://escholarship.org/uc/item/4zf1737x","text":"External Repository"},{"id":357986,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -117.94921874999999,\n 32.519026027827515\n ],\n [\n -115.850830078125,\n 32.519026027827515\n ],\n [\n -115.850830078125,\n 34.161818161230386\n ],\n [\n -117.94921874999999,\n 34.161818161230386\n ],\n [\n -117.94921874999999,\n 32.519026027827515\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"28","issue":"8","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationDate":"2013-10-18","publicationStatus":"PW","scienceBaseUri":"5bc038ebe4b0fc368eb53b15","contributors":{"authors":[{"text":"Beltran, Bray","contributorId":197901,"corporation":false,"usgs":false,"family":"Beltran","given":"Bray","email":"","affiliations":[],"preferred":false,"id":746933,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Franklin, Janet","contributorId":192373,"corporation":false,"usgs":false,"family":"Franklin","given":"Janet","affiliations":[],"preferred":false,"id":746935,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Syphard, Alexandra D.","contributorId":8977,"corporation":false,"usgs":false,"family":"Syphard","given":"Alexandra","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":746932,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Regan, Helen M.","contributorId":149953,"corporation":false,"usgs":false,"family":"Regan","given":"Helen","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":746934,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Flint, Lorraine E. 0000-0002-7868-441X lflint@usgs.gov","orcid":"https://orcid.org/0000-0002-7868-441X","contributorId":1184,"corporation":false,"usgs":true,"family":"Flint","given":"Lorraine","email":"lflint@usgs.gov","middleInitial":"E.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":746931,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Flint, Alan L. 0000-0002-5118-751X aflint@usgs.gov","orcid":"https://orcid.org/0000-0002-5118-751X","contributorId":1492,"corporation":false,"usgs":true,"family":"Flint","given":"Alan","email":"aflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true},{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":746930,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70056148,"text":"70056148 - 2014 - The influence of light, stream gradient, and iron on Didymosphenia geminata bloom development in the Black Hills, South Dakota","interactions":[],"lastModifiedDate":"2014-01-15T13:21:45","indexId":"70056148","displayToPublicDate":"2014-01-01T13:17:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1919,"text":"Hydrobiologia","onlineIssn":"1573-5117","printIssn":"0018-8158","active":true,"publicationSubtype":{"id":10}},"title":"The influence of light, stream gradient, and iron on Didymosphenia geminata bloom development in the Black Hills, South Dakota","docAbstract":"The aquatic nuisance species Didymosphenia geminata was first documented in Rapid Creek of South Dakota’s Black Hills during 2002. Since then, blooms have occurred primarily in a 39-km section of Rapid Creek while blooms were rarely observed in other Black Hills streams. In this study, we evaluated factors related to the presence and development of visible colonies of D. geminata in four streams of the Black Hills. At the watershed scale, stream gradient was negatively associated with the occurrence of D. geminata whereas stream width was positively related to D. geminata presence. At the stream scale, D. geminata coverage was inversely related to canopy coverage and iron concentration. At the local scale, shading by bridges virtually eliminated growth of D. geminata colonies under bridges. At all three scales, proxy measures of light such as stream width, canopy coverage, and bridge shading revealed that light availability was an important factor influencing the presence and coverage of D. geminata colonies. In general, streams that had relatively wide stream reaches (mean = 9.9 m), shallow gradients (mean = 0.22%), and little canopy cover (mean = 13%) were associated with D. geminata blooms. In addition, iron concentrations in streams with D. geminata colonies were lower than in streams without blooms.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Hydrobiologia","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer","doi":"10.1007/s10750-013-1654-y","usgsCitation":"James, D.A., Mosel, K., and Chipps, S.R., 2014, The influence of light, stream gradient, and iron on Didymosphenia geminata bloom development in the Black Hills, South Dakota: Hydrobiologia, v. 721, no. 1, p. 117-127, https://doi.org/10.1007/s10750-013-1654-y.","productDescription":"11 p.","startPage":"117","endPage":"127","numberOfPages":"11","ipdsId":"IP-049928","costCenters":[{"id":561,"text":"South Dakota Cooperative Fish and Wildlife Research Unit","active":false,"usgs":true}],"links":[{"id":281104,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":281103,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10750-013-1654-y"}],"country":"United States","state":"South Dakota","otherGeospatial":"Black Hills","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -104.05,43.81 ], [ -104.05,44.68 ], [ -102.91,44.68 ], [ -102.91,43.81 ], [ -104.05,43.81 ] ] ] } } ] }","volume":"721","issue":"1","noUsgsAuthors":false,"publicationDate":"2013-08-17","publicationStatus":"PW","scienceBaseUri":"53cd7817e4b0b2908510becc","contributors":{"authors":[{"text":"James, Daniel A.","contributorId":41737,"corporation":false,"usgs":true,"family":"James","given":"Daniel","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":486341,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mosel, Kyle","contributorId":30135,"corporation":false,"usgs":true,"family":"Mosel","given":"Kyle","affiliations":[],"preferred":false,"id":486340,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chipps, Steven R. 0000-0001-6511-7582 steve_chipps@usgs.gov","orcid":"https://orcid.org/0000-0001-6511-7582","contributorId":2243,"corporation":false,"usgs":true,"family":"Chipps","given":"Steven","email":"steve_chipps@usgs.gov","middleInitial":"R.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":486339,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70124180,"text":"70124180 - 2014 - Dry forest restoration and unassisted native tree seedling recruitment at Auwahi, Maui","interactions":[],"lastModifiedDate":"2020-09-27T19:02:31.30024","indexId":"70124180","displayToPublicDate":"2014-01-01T12:53:22","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2990,"text":"Pacific Science","active":true,"publicationSubtype":{"id":10}},"title":"Dry forest restoration and unassisted native tree seedling recruitment at Auwahi, Maui","docAbstract":"Efforts to restore highly degraded but biologically significant forests draw from a limited toolbox. With less than 10% of their former distribution remaining, Hawaiian dry forests, though critically endangered, remain important biological and cultural refugia. At restoration onset (1997), vegetation of restoration and control areas of degraded Auwahi dry forest, Maui Island, was similar, dominated by nonnative graminoids (restoration 78.3%; control 75.4%), especially Cenchrus (Pennisetum) clandestinus. In 2012, unrestored control area vegetation was basically unchanged. In contrast, in the restoration area in 2012, native shrub cover increased from 3.1% to 81.9%, and cover of nonnative graminoids declined from 75.4% to 3.3%. In 2012, nonplanted seedlings of 14 of 22 native tree species and six of seven native shrub species were observed in restoration plots; the majority (99%) were five native (Dodonaea viscosa, Coprosma foliosa, Osteomeles anthyllidifolia, Chamaesyce celastoides, Nestegis sandwicensis) and one nonnative species (Bocconia frutescens). By 2012, stem counts of native woody plants had increased from 12.4 to 135.0/100 m2, and native species diversity increased from 2.4 to 6.6/100 m2. By 2012, seven rare dry forest tree species, Charpentiera obovata, Nothocestrum latifolium, Ochrosia haleakalae, Pleomele auwahiensis, Santalum ellipticum, S. haleakalae, and Streblus pendulinus, had established seedlings and/or saplings within the restoration site, especially notable because natural reproduction is largely lacking elsewhere. Without development and implementation of appropriate management strategies, remaining Hawaiian dry forest will likely disappear within the next century. Multicomponent restoration incorporating ungulate exclusion, weed control, and outplanting as described here offers one strategy to conserve and restore tracts of high-value but degraded forests.
","language":"English","publisher":"University of Hawai'i Press","publisherLocation":"Honolulu, HI","doi":"10.2984/68.1.3","usgsCitation":"Medeiros, A.C., von Allmen, E., and Chimera, C., 2014, Dry forest restoration and unassisted native tree seedling recruitment at Auwahi, Maui: Pacific Science, v. 68, no. 1, p. 33-45, https://doi.org/10.2984/68.1.3.","productDescription":"13 p.","startPage":"33","endPage":"45","numberOfPages":"13","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-044997","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":293727,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawai'i","otherGeospatial":"Maui Island","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -156.696923,20.574579 ], [ -156.696923,21.031413 ], [ -155.979042,21.031413 ], [ -155.979042,20.574579 ], [ -156.696923,20.574579 ] ] ] } } ] }","volume":"68","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5412b9a6e4b0239f1986ba51","contributors":{"authors":[{"text":"Medeiros, Arthur C. 0000-0002-8090-8451 amedeiros@usgs.gov","orcid":"https://orcid.org/0000-0002-8090-8451","contributorId":2152,"corporation":false,"usgs":true,"family":"Medeiros","given":"Arthur","email":"amedeiros@usgs.gov","middleInitial":"C.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true}],"preferred":true,"id":500589,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"von Allmen, E. I.","contributorId":17169,"corporation":false,"usgs":true,"family":"von Allmen","given":"E. I.","affiliations":[],"preferred":false,"id":500591,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chimera, C.G.","contributorId":10733,"corporation":false,"usgs":true,"family":"Chimera","given":"C.G.","affiliations":[],"preferred":false,"id":500590,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70103398,"text":"70103398 - 2014 - Distribution, densities, and ecology of Siberian cranes in the Khroma River region of northern Yakutia in northeastern Russia","interactions":[],"lastModifiedDate":"2017-09-14T09:38:33","indexId":"70103398","displayToPublicDate":"2014-01-01T12:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Distribution, densities, and ecology of Siberian cranes in the Khroma River region of northern Yakutia in northeastern Russia","docAbstract":"The Siberian crane (Grus leucogeranus) is the third rarest crane species in the world with a breeding range now centered on 3 core areas and a buffer zone in the arctic of northern Yakutia in northeastern Russia. During 16 July-2 August 2009, we undertook ground surveys within the Khroma River core breeding area, surrounding buffer zone, and lands lying to the west of the known rbeeding range to estimate densities and determine habitat use and social status of Siberian cranes. A total of 142 Siberian cranes were sighted (including 55 pairs) at 54 locations with 32 cranes (including 13 pairs) sighted outside the currently known breeding range in the lower drainages of the Syalakh and Syuryuktyakh Rivers. After adjusting for a probability of detection of 0.484 (95% CI = 0.281-0.833), Siberian crane densities in the Khroma core area and the buffer zone averaged 0.0921 cranes/km2 and 0.0363 cranes/km2, respectively. A majority of cranes (n = 93 [65%]) occurred in complexes of large basin wetlands, with use centered in those having extensive beds of pendant grass (Arctophila fulva). Of the 142 cranes seen, 110 (77%) were paired, 21 (15%) were singles, and 11 (8%) were in groups of 3-5. The Khroma core supports 1 of 2 large concentrations of breeding Siberian cranes remaining in the wild; therefore, we recommend that consideration be given to designating a nature reserve that would encompass the Khroma core, adjacent buffer zone, and lands to the west (including coastal tundra areas along the lower drainages of the Syalah and Syuryuktyah Rivers). Further research is needed to gain additional insight into Siberian crane distribution and numbers on lands beyond the currently delineated western boundary of the Siberian crane breeding range in the Ust-Yana District of northern Yakutia. Important gaps remain in information needed to effectively guide conservation efforts for the Eastern Population, and recent advances in remote tracking technology offer potential opportunities to help address several key information needs.
","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Proceedings of the 12th North American Crane Workshop","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"12th North American Crane Workshop","conferenceDate":"03/13/2011","conferenceLocation":"Grand Island, Nebraska","language":"English","publisher":"North American Crane Working Group","publisherLocation":"Baraboo, WI","usgsCitation":"Bysykatova, I.P., Krapu, G.L., Germogenov, N.I., and Buhl, D.A., 2014, Distribution, densities, and ecology of Siberian cranes in the Khroma River region of northern Yakutia in northeastern Russia, in Proceedings of the 12th North American Crane Workshop, v. 12, Grand Island, Nebraska, 03/13/2011, p. 51-64.","productDescription":"14 p.","startPage":"51","endPage":"64","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-036371","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research 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gkrapu@usgs.gov","orcid":"https://orcid.org/0000-0001-8482-6130","contributorId":3074,"corporation":false,"usgs":true,"family":"Krapu","given":"Gary","email":"gkrapu@usgs.gov","middleInitial":"L.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":518812,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Germogenov, Nicolai I.","contributorId":118803,"corporation":false,"usgs":true,"family":"Germogenov","given":"Nicolai","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":518814,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Buhl, Deborah A. 0000-0002-8563-5990 dbuhl@usgs.gov","orcid":"https://orcid.org/0000-0002-8563-5990","contributorId":3182,"corporation":false,"usgs":true,"family":"Buhl","given":"Deborah","email":"dbuhl@usgs.gov","middleInitial":"A.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":518813,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70125765,"text":"70125765 - 2014 - Biodiversity loss and infectious diseases","interactions":[],"lastModifiedDate":"2022-12-12T17:22:35.826671","indexId":"70125765","displayToPublicDate":"2014-01-01T10:57:00","publicationYear":"2014","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"5","title":"Biodiversity loss and infectious diseases","docAbstract":"When conservation biologists think about infectious diseases, their thoughts are mostly negative. Infectious diseases have been associated with the extinction and endangerment of some species, though this is rare, and other factors like habitat loss and poorly regulated harvest still are the overwhelming drivers of endangerment. Parasites are pervasive and play important roles as natural enemies on par with top predators, from regulating population abundances to maintaining species diversity. Sometimes, parasites themselves can be endangered. However, it seems unlikely that humans will miss extinct parasites. Parasites are often sensitive to habitat loss and degradation, making them positive indicators of ecosystem “health”. Conservation biologists need to carefully consider infectious diseases when planning conservation actions. This can include minimizing the movement of domestic and invasive species, vaccination, and culling.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Applied ecology and human dimensions in biological conservation","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Springer","doi":"10.1007/978-3-642-54751-5_5","usgsCitation":"Lafferty, K.D., 2014, Biodiversity loss and infectious diseases, chap. 5 of Applied ecology and human dimensions in biological conservation, p. 73-89, https://doi.org/10.1007/978-3-642-54751-5_5.","productDescription":"17 p.","startPage":"73","endPage":"89","numberOfPages":"17","ipdsId":"IP-045836","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":294785,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2014-05-13","publicationStatus":"PW","scienceBaseUri":"542e692de4b092f17df5a723","contributors":{"authors":[{"text":"Lafferty, Kevin D. 0000-0001-7583-4593 klafferty@usgs.gov","orcid":"https://orcid.org/0000-0001-7583-4593","contributorId":1415,"corporation":false,"usgs":true,"family":"Lafferty","given":"Kevin","email":"klafferty@usgs.gov","middleInitial":"D.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":501650,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70146040,"text":"70146040 - 2014 - Habitat and food preferences of the endangered Palila (Loxioides bailleui) on Mauna Kea, Hawai'i","interactions":[],"lastModifiedDate":"2018-01-04T12:51:11","indexId":"70146040","displayToPublicDate":"2014-01-01T10:30:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3784,"text":"Wilson Journal of Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Habitat and food preferences of the endangered Palila (Loxioides bailleui) on Mauna Kea, Hawai'i","docAbstract":"Seeds and flowers of the leguminous māmane (Sophora chrysophylla) tree are the primary food resource of the federally endangered Palila (Loxioides bailleui; Fringillidae: Drepanidinae), which is now restricted to dry subalpine woodland on Mauna Kea Volcano on the island of Hawai'i because of centuries of habitat degradation by non-native ungulates. Palila are morphologically and behaviorally adapted to consume mÄmane seeds by grasping seed pods with their feet and opening pods with stout bills and demonstrate limited ability to exploit alternative food resources. This degree of single species dependency is rare among birds and illustrates unique adaptations that also occurred in other Hawaiian species that are now extinct. In mixed-woodland with co-dominant naio (Myoporum sandwicense), Palila spent 1.7-3.9 times longer in māmane than in naio during foraging observations where naio was 1.3-4.6 times as dense as māmane. Naio fruit was readily available, but it comprised proportionally <11% of food items taken by Palila. Although māmane flowers were more abundant than māmane pods throughout this study except at one lower-elevation mixed-woodland site, Palila spent more time foraging on pods than flowers in both māmane woodland and mixed-woodland, but consumed more flowers than pods in mixed-woodland. Insects, which have been reported as an important component of the diet of Palila, were apparently taken rarely in this study. Protecting and restoring māmane in woodlands adjacent to the current range of Palila will benefit their recovery, allowing them to exploit increased food availability in areas of their former range.
","language":"English","publisher":"Wilson Ornithological Society","publisherLocation":"Lawrence, KS","doi":"10.1676/13-220.1","usgsCitation":"Hess, S.C., Banko, P.C., Miller, L.J., and Laniawe, L.P., 2014, Habitat and food preferences of the endangered Palila (Loxioides bailleui) on Mauna Kea, Hawai'i: Wilson Journal of Ornithology, v. 126, no. 4, p. 728-738, https://doi.org/10.1676/13-220.1.","productDescription":"11 p.","startPage":"728","endPage":"738","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-056581","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":299597,"type":{"id":15,"text":"Index Page"},"url":"https://www.bioone.org/doi/abs/10.1676/13-220.1"},{"id":299600,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawai'i","otherGeospatial":"Mauna Kea","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -155.55679321289062,\n 19.75701045794938\n ],\n [\n -155.55679321289062,\n 19.91332029680867\n ],\n [\n -155.37620544433594,\n 19.91332029680867\n ],\n [\n -155.37620544433594,\n 19.75701045794938\n ],\n [\n -155.55679321289062,\n 19.75701045794938\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"126","issue":"4","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"552ce8b7e4b0b22a157f50b1","contributors":{"authors":[{"text":"Hess, Steven C. 0000-0001-6403-9922 shess@usgs.gov","orcid":"https://orcid.org/0000-0001-6403-9922","contributorId":3156,"corporation":false,"usgs":true,"family":"Hess","given":"Steven","email":"shess@usgs.gov","middleInitial":"C.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true}],"preferred":false,"id":544639,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Banko, Paul C. 0000-0002-6035-9803 pbanko@usgs.gov","orcid":"https://orcid.org/0000-0002-6035-9803","contributorId":3179,"corporation":false,"usgs":true,"family":"Banko","given":"Paul","email":"pbanko@usgs.gov","middleInitial":"C.","affiliations":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true},{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true}],"preferred":true,"id":544640,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miller, Linda J.","contributorId":140189,"corporation":false,"usgs":false,"family":"Miller","given":"Linda","email":"","middleInitial":"J.","affiliations":[{"id":13405,"text":"Department of Zoology, University of Maryland, College Park, MD","active":true,"usgs":false}],"preferred":false,"id":544641,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Laniawe, Leona P.","contributorId":140190,"corporation":false,"usgs":false,"family":"Laniawe","given":"Leona","email":"","middleInitial":"P.","affiliations":[{"id":13406,"text":"U.S. Fish and Wildlife Service, 300 Ala Moana Blvd., P. O. Box 50617, Honolulu,","active":true,"usgs":false}],"preferred":false,"id":544642,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70136256,"text":"70136256 - 2014 - Evaluation of potential protective factors against metabolic syndrome in bottlenose dolphins:feeding and activity patterns of dolphins in Sarasota Bay, Florida","interactions":[],"lastModifiedDate":"2015-03-18T11:08:11","indexId":"70136256","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3848,"text":"Frontiers in Endocrinology","onlineIssn":"1664-2392","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of potential protective factors against metabolic syndrome in bottlenose dolphins:feeding and activity patterns of dolphins in Sarasota Bay, Florida","docAbstract":"Free-ranging bottlenose dolphins (Tursiops truncatus) living in Sarasota Bay, Florida appear to have a lower risk of developing insulin resistance and metabolic syndrome compared to a group of dolphins managed under human care. Similar to humans, differences in diet and activity cycles between these groups may explain why Sarasota dolphins have lower insulin, glucose, and lipids. To identify potential protective factors against metabolic syndrome, existing and new data were incorporated to describe feeding and activity patterns of the Sarasota Bay wild dolphin community. Sarasota dolphins eat a wide variety of live fish and spend 10–20% of daylight hours foraging and feeding. Feeding occurs throughout the day, with the dolphins eating small proportions of their total daily intake in brief bouts. The natural pattern of wild dolphins is to feed as necessary and possible at any time of the day or night. Wild dolphins rarely eat dead fish or consume large amounts of prey in concentrated time periods. Wild dolphins are active throughout the day and night; they may engage in bouts of each key activity category at any time during daytime. Dive patterns of radio-tagged dolphins varied only slightly with time of day. Travel rates may be slightly lower at night, suggesting a diurnal rhythm, albeit not one involving complete, extended rest. In comparison, the managed dolphins are older; often fed a smaller variety of frozen-thawed fish types; fed fish species not in their natural diet; feedings and engaged activities are often during the day; and they are fed larger but fewer meals. In summary, potential protective factors against metabolic syndrome in dolphins may include young age, activity, and small meals fed throughout the day and night, and specific fish nutrients. These protective factors against insulin resistance and type 2 diabetes are similar to those reported in humans. Further studies may benefit humans and dolphins.
","language":"English","publisher":"Frontiers in Endocrinology","doi":"10.3389/fendo.2013.00139","usgsCitation":"Wells, R.S., McHugh, K.A., Douglas, D.C., Shippee, S., McCabe, E.B., Barros, N., and Phillips, G.T., 2014, Evaluation of potential protective factors against metabolic syndrome in bottlenose dolphins:feeding and activity patterns of dolphins in Sarasota Bay, Florida: Frontiers in Endocrinology, v. 4, no. 139, p. 1-16, https://doi.org/10.3389/fendo.2013.00139.","productDescription":"16 p.","startPage":"1","endPage":"16","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-050350","costCenters":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"links":[{"id":473283,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3389/fendo.2013.00139","text":"Publisher Index Page"},{"id":298700,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Sarasota Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -82.60414123535156,\n 27.276602318536348\n ],\n [\n -82.60414123535156,\n 27.346153994505922\n ],\n [\n -82.52792358398436,\n 27.346153994505922\n ],\n [\n -82.52792358398436,\n 27.276602318536348\n ],\n [\n -82.60414123535156,\n 27.276602318536348\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"139","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"550aa1b6e4b02e76d7590be5","contributors":{"authors":[{"text":"Wells, Randall S.","contributorId":81773,"corporation":false,"usgs":true,"family":"Wells","given":"Randall","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":542642,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McHugh, Katherine A.","contributorId":139709,"corporation":false,"usgs":false,"family":"McHugh","given":"Katherine","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":542643,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Douglas, David C. 0000-0003-0186-1104 ddouglas@usgs.gov","orcid":"https://orcid.org/0000-0003-0186-1104","contributorId":2388,"corporation":false,"usgs":true,"family":"Douglas","given":"David","email":"ddouglas@usgs.gov","middleInitial":"C.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":537263,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Shippee, Steve","contributorId":139710,"corporation":false,"usgs":false,"family":"Shippee","given":"Steve","email":"","affiliations":[],"preferred":false,"id":542644,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"McCabe, Elizabeth Berens","contributorId":139131,"corporation":false,"usgs":false,"family":"McCabe","given":"Elizabeth","email":"","middleInitial":"Berens","affiliations":[{"id":12658,"text":"Chicago Zoological Society","active":true,"usgs":false}],"preferred":false,"id":542645,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Barros, Nélio B.","contributorId":89053,"corporation":false,"usgs":true,"family":"Barros","given":"Nélio B.","affiliations":[],"preferred":false,"id":542646,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Phillips, Goldie T.","contributorId":139711,"corporation":false,"usgs":false,"family":"Phillips","given":"Goldie","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":542647,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70173421,"text":"70173421 - 2014 - Captive propagation, reproductive biology, and early life history of the Diamond Darter (Crystallaria cincotta)","interactions":[],"lastModifiedDate":"2016-06-20T18:07:12","indexId":"70173421","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":737,"text":"American Midland Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Captive propagation, reproductive biology, and early life history of the Diamond Darter (Crystallaria cincotta)","docAbstract":"Reproductive biology and early life history data are critical for the conservation and management of rare fishes. During 2008–2012 a captive propagation study was conducted on the Diamond Darter, Crystallaria cincotta, a rare species with a single extant population in the lower Elk River, West Virginia. Water temperatures during spawning ranged from 11.1–23.3 C. Females and males spawned with quick vibrations, burying eggs in fine sand in relatively swift clean depositional areas. Egg size was 1.8–1.9 mm, and embryos developed within 7 to 11 d. Diamond Darters were 6.7–7.2 mm total length (TL) at hatch. Larvae ranged from 9.0–11.0 mm TL following a 5–10 d period of yolk sac absorption. Larvae had relatively large mouth gapes and teeth and were provided brine shrimp Artemia sp., Ceriodaphnia dubia neonates, marine Brachionus rotifers, and powdered foods (50–400 µm) but did not appear to feed in captivity, except for one observation of larval cannibalization. Larvae survived for a maximum of 10 d. To increase larval survival and reduce the possibility of cannibalism, other alternative food sources are needed during captive propagation.
","language":"English","publisher":"University of Notre Dame","doi":"10.1674/0003-0031-172.1.107","usgsCitation":"Ruble, C.L., Rakes, P.L., Shute, J.R., and Welsh, S., 2014, Captive propagation, reproductive biology, and early life history of the Diamond Darter (Crystallaria cincotta): American Midland Naturalist, v. 172, no. 1, p. 107-118, https://doi.org/10.1674/0003-0031-172.1.107.","productDescription":"12 p.","startPage":"107","endPage":"118","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-049131","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":323857,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Tennessee","otherGeospatial":"Elk River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -82.529296875,\n 35.964669147704086\n ],\n [\n -82.529296875,\n 36.60670888641815\n ],\n [\n -81.6668701171875,\n 36.60670888641815\n ],\n [\n -81.6668701171875,\n 35.964669147704086\n ],\n [\n -82.529296875,\n 35.964669147704086\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"172","issue":"1","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5763cdb2e4b07657d19ba75a","contributors":{"authors":[{"text":"Ruble, Crystal L.","contributorId":172060,"corporation":false,"usgs":false,"family":"Ruble","given":"Crystal","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":639474,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rakes, Patrick L.","contributorId":21279,"corporation":false,"usgs":true,"family":"Rakes","given":"Patrick","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":639475,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Shute, John R.","contributorId":172061,"corporation":false,"usgs":false,"family":"Shute","given":"John","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":639476,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Welsh, Stuart A. 0000-0003-0362-054X swelsh@usgs.gov","orcid":"https://orcid.org/0000-0003-0362-054X","contributorId":152088,"corporation":false,"usgs":true,"family":"Welsh","given":"Stuart A.","email":"swelsh@usgs.gov","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":false,"id":637105,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70145807,"text":"70145807 - 2014 - A comparison of resident fish assemblages in managed and unmanaged coastal wetlands in North Carolina and South Carolina","interactions":[],"lastModifiedDate":"2015-04-09T12:57:17","indexId":"70145807","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3444,"text":"Southeastern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"A comparison of resident fish assemblages in managed and unmanaged coastal wetlands in North Carolina and South Carolina","docAbstract":"The dominant fish species within impounded coastal wetlands in the southeastern US may be different from the species that dominate natural marshes. We tested the hypothesis that resident fish assemblages inhabiting impounded coastal wetlands in South Carolina would differ from resident assemblages in natural marshes of the southeastern United States. We used rarefied species richness, Shannon's H' diversity,J' evenness, Morisita's index of similarity, and the percent similarity index to compare resident fish assemblages from two impoundments to 12 open-marsh resident fish assemblages from previously published studies in North and South Carolina. We used rotenone to sample fish assemblages in impoundments. The assemblages in natural marsh habitat had been sampled with rotenone and seines. We classified comparisons yielding a similarity index ≥0.50 as moderately similar and those with an index ≥0.75 as very similar. Fifty-three percent of the among-impoundment comparisons (Morisita's index) were at least moderately similar, whereas 7% of impoundment—natural marsh comparisons were moderately similar. A difference in tidal influence was the only parameter in the best-fitting model describing the observed Morisita's indices. The index of similarity decreased by 63% when tidal influence differed between compared assemblages. Species richness and diversity were greater in impoundments than natural marshes, but evenness was similar between habitat types. Our results support the hypothesis that resident fish assemblages in impounded wetlands and natural marshes are different, and suggest that a degree of tidal influence is the most important factor behind the difference.
","language":"English","publisher":"Eagle Hill Institute","doi":"10.1656/058.013.0207","usgsCitation":"Robinson, K., and Jennings, C.A., 2014, A comparison of resident fish assemblages in managed and unmanaged coastal wetlands in North Carolina and South Carolina: Southeastern Naturalist, v. 13, no. 2, p. 237-260, https://doi.org/10.1656/058.013.0207.","productDescription":"24 p.","startPage":"237","endPage":"260","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-052529","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":299541,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"North Carolina, South Carolina","otherGeospatial":"Combahee River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -81.0791015625,\n 31.93351676190369\n ],\n [\n -81.0791015625,\n 32.95336814579932\n ],\n [\n -79.639892578125,\n 32.95336814579932\n ],\n [\n -79.639892578125,\n 31.93351676190369\n ],\n [\n -81.0791015625,\n 31.93351676190369\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"13","issue":"2","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5527a2aae4b026915857c847","contributors":{"authors":[{"text":"Robinson, Kelly F.","contributorId":140157,"corporation":false,"usgs":false,"family":"Robinson","given":"Kelly F.","affiliations":[{"id":473,"text":"New York Cooperative Fish and Wildlife Research Unit","active":false,"usgs":true},{"id":13267,"text":"Warnell School of Forestry and Natural Resources, University of Georgia","active":true,"usgs":false},{"id":6590,"text":"Department of Fisheries and Wildlife, Michigan State University","active":true,"usgs":false}],"preferred":false,"id":544518,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jennings, Cecil A. 0000-0002-6159-6026 jennings@usgs.gov","orcid":"https://orcid.org/0000-0002-6159-6026","contributorId":874,"corporation":false,"usgs":true,"family":"Jennings","given":"Cecil","email":"jennings@usgs.gov","middleInitial":"A.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":544400,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70191982,"text":"70191982 - 2014 - Niche restriction and conservatism in a neotropical psittacine: the case of the Puerto Rican parrot","interactions":[],"lastModifiedDate":"2018-01-25T11:17:58","indexId":"70191982","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Niche restriction and conservatism in a neotropical psittacine: the case of the Puerto Rican parrot","docAbstract":"The factors which govern species‘ distribution and abundance are myriad, and together constitute the ecological niche of a given species. Because abiotic factors are arguably the most profound of the factors influencing niche boundaries and thus, species distributions, substantial changes in either climatic or habitat-related parameters can be expected to produce interrelated and profound niche shifts. Habitat loss and degradation can also effectively induce a de facto climate change by forcing populations to relocate to environmentally suboptimal habitats. Populations experiencing niche shifts due to range restrictions and geographic isolation become subject to a suite of factors that may act synergistically to amplify deleterious ecological effects of habitat loss. These factors tend to exert a greater influence on populations of rare or endemic species with inherently restricted ranges. The Puerto Rican parrot (Amazona vittata) is an example of a tropical, insular, endemic and critically-endangered species that has suffered from extensive habitat loss and degradation over the past century, resulting in a single relict wild population restricted for more than 70 years to the montane rainforest of the Luquillo Mountains in northeastern Puerto Rico. In this chapter, we examine the current ecological situation of this geographically and demographically isolated parrot population by reviewing the history of landscape-level changes in and around the Luquillo Mountains, and concurrent biotic and abiotic limiting factors in relation to both historical population trajectory and current prognosis for species recovery. We used a decade (2000-2009) of empirical data on parrot fledgling survival together with long-term climatological data to model effects of local climate on fledgling survival and gain insights into its influence on population growth. We also modeled hypothetical survival of parrot fledglings in the lowlands surrounding the Luquillo Mountains, areas currently deforested but previously occupied by parrots, to illustrate both quantitative and qualitative losses of reproductive habitat for the species. We illustrate and systematically discuss how progressive and sustained changes in landscape composition and associated limiting factors have effectively shifted and restricted the ecological niche of this species, and how this complex suite of ecological processes affects the Puerto Rican parrot in the Luquillo Mountains. Our niche restriction hypothesis is supported by the demographic response of Puerto Rican parrots recently (2006-2009) reintroduced in the lower elevation karst forest of northwestern Puerto Rico. Based on our findings, we present conservation strategies aimed at promoting the recovery of the species both in the Luquillo Mountains and elsewhere in Puerto Rico. Finally, we address the relevance of our findings to conservation of other endangered species, particularly those threatened by both habitat loss and climate change.
","largerWorkType":{"id":4,"text":"Book"},"language":"English","publisher":"Nova Science Publishers","publisherLocation":"Habitat loss: Causes, impacts on biodiversity and reduction strategies","isbn":"978-1-63117-231-1","usgsCitation":"White, T.H., Collazo, J., Dinsmore, S., and Llerandi-Roman, I.C., 2014, Niche restriction and conservatism in a neotropical psittacine: the case of the Puerto Rican parrot, p. 1-84.","productDescription":"84 p.","startPage":"1","endPage":"84","ipdsId":"IP-052674","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":350601,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350600,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.novapublishers.com/catalog/product_info.php?products_id=49029"}],"publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6afac8e4b06e28e9c9a91b","contributors":{"authors":[{"text":"White, Thomas H. Jr.","contributorId":201474,"corporation":false,"usgs":false,"family":"White","given":"Thomas","suffix":"Jr.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":725798,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Collazo, Jaime A. 0000-0002-1816-7744 jaime_collazo@usgs.gov","orcid":"https://orcid.org/0000-0002-1816-7744","contributorId":173448,"corporation":false,"usgs":true,"family":"Collazo","given":"Jaime A.","email":"jaime_collazo@usgs.gov","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true},{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":false,"id":713809,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dinsmore, Stephen J.","contributorId":61718,"corporation":false,"usgs":true,"family":"Dinsmore","given":"Stephen J.","affiliations":[],"preferred":false,"id":725799,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Llerandi-Roman, I. C.","contributorId":67324,"corporation":false,"usgs":true,"family":"Llerandi-Roman","given":"I.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":725800,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70192570,"text":"70192570 - 2014 - Source, conveyance and fate of suspended sediments following Hurricane Irene. New England, USA","interactions":[],"lastModifiedDate":"2017-11-06T08:37:15","indexId":"70192570","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1801,"text":"Geomorphology","active":true,"publicationSubtype":{"id":10}},"title":"Source, conveyance and fate of suspended sediments following Hurricane Irene. New England, USA","docAbstract":"Hurricane Irene passed directly over the Connecticut River valley in late August, 2011. Intense precipitation and high antecedent soil moisture resulted in record flooding, mass wasting and fluvial erosion, allowing for observations of how these rare but significant extreme events affect a landscape still responding to Pleistocene glaciation and associated sediment emplacement. Clays and silts from upland glacial deposits, once suspended in the stream network, were routed directly to the mouth of the Connecticut River, resulting in record-breaking sediment loads fifteen-times greater than predicted from the pre-existing rating curve. Denudation was particularly extensive in mountainous areas. We calculate that sediment yield during the event from the Deerfield River, a steep tributary comprising 5% of the entire Connecticut River watershed, exceeded at minimum 10–40 years of routine sediment discharge and accounted for approximately 40% of the total event sediment discharge from the Connecticut River. A series of surface sediment cores taken in floodplain ponds adjacent to the tidal section of the Connecticut River before and after the event provides insight into differences in sediment sourcing and routing for the Irene event compared to periods of more routine flooding. Relative to routine conditions, sedimentation from Irene was anomalously inorganic, fine grained, and enriched in elements commonly found in chemically immature glacial tills and glaciolacustrine material. These unique sedimentary characteristics document the crucial role played by extreme precipitation from tropical disturbances in denuding this landscape.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.geomorph.2014.07.028","usgsCitation":"Yellen, B., Woodruff, J.D., Kratz, L.N., Mabee, S.B., Morrison, J., and Martini, A.M., 2014, Source, conveyance and fate of suspended sediments following Hurricane Irene. New England, USA: Geomorphology, v. 226, p. 124-134, https://doi.org/10.1016/j.geomorph.2014.07.028.","productDescription":"11 p.","startPage":"124","endPage":"134","ipdsId":"IP-037274","costCenters":[{"id":196,"text":"Connecticut Water Science Center","active":true,"usgs":true}],"links":[{"id":347509,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"New England","volume":"226","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a07ed4ee4b09af898c8cd4a","contributors":{"authors":[{"text":"Yellen, Brian","contributorId":198491,"corporation":false,"usgs":false,"family":"Yellen","given":"Brian","email":"","affiliations":[{"id":33278,"text":"Department of Geosciences, University of Massachusetts, Amherst, MA","active":true,"usgs":false}],"preferred":false,"id":716242,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Woodruff, Jon D.","contributorId":198492,"corporation":false,"usgs":false,"family":"Woodruff","given":"Jon","email":"","middleInitial":"D.","affiliations":[{"id":33278,"text":"Department of Geosciences, University of Massachusetts, Amherst, MA","active":true,"usgs":false}],"preferred":false,"id":716243,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kratz, Laura N.","contributorId":198493,"corporation":false,"usgs":false,"family":"Kratz","given":"Laura","email":"","middleInitial":"N.","affiliations":[{"id":33278,"text":"Department of Geosciences, University of Massachusetts, Amherst, MA","active":true,"usgs":false}],"preferred":false,"id":716244,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mabee, Steven B.","contributorId":198494,"corporation":false,"usgs":false,"family":"Mabee","given":"Steven","email":"","middleInitial":"B.","affiliations":[{"id":35248,"text":"Massachusetts Geological Survey","active":true,"usgs":false}],"preferred":false,"id":716245,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Morrison, Jonathan 0000-0002-1756-4609 jmorriso@usgs.gov","orcid":"https://orcid.org/0000-0002-1756-4609","contributorId":2274,"corporation":false,"usgs":true,"family":"Morrison","given":"Jonathan","email":"jmorriso@usgs.gov","affiliations":[{"id":196,"text":"Connecticut Water Science Center","active":true,"usgs":true}],"preferred":true,"id":716241,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Martini, Anna M.","contributorId":192675,"corporation":false,"usgs":false,"family":"Martini","given":"Anna","email":"","middleInitial":"M.","affiliations":[{"id":35249,"text":"Department of Geology, Amherst College","active":true,"usgs":false}],"preferred":false,"id":716246,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70189207,"text":"70189207 - 2014 - Evaluation of statistically downscaled GCM output as input for hydrological and stream temperature simulation in the Apalachicola–Chattahoochee–Flint River Basin (1961–99)","interactions":[],"lastModifiedDate":"2017-07-05T16:20:39","indexId":"70189207","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1421,"text":"Earth Interactions","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of statistically downscaled GCM output as input for hydrological and stream temperature simulation in the Apalachicola–Chattahoochee–Flint River Basin (1961–99)","docAbstract":"The accuracy of statistically downscaled general circulation model (GCM) simulations of daily surface climate for historical conditions (1961–99) and the implications when they are used to drive hydrologic and stream temperature models were assessed for the Apalachicola–Chattahoochee–Flint River basin (ACFB). The ACFB is a 50 000 km2 basin located in the southeastern United States. Three GCMs were statistically downscaled, using an asynchronous regional regression model (ARRM), to ⅛° grids of daily precipitation and minimum and maximum air temperature. These ARRM-based climate datasets were used as input to the Precipitation-Runoff Modeling System (PRMS), a deterministic, distributed-parameter, physical-process watershed model used to simulate and evaluate the effects of various combinations of climate and land use on watershed response. The ACFB was divided into 258 hydrologic response units (HRUs) in which the components of flow (groundwater, subsurface, and surface) are computed in response to climate, land surface, and subsurface characteristics of the basin. Daily simulations of flow components from PRMS were used with the climate to simulate in-stream water temperatures using the Stream Network Temperature (SNTemp) model, a mechanistic, one-dimensional heat transport model for branched stream networks.
The climate, hydrology, and stream temperature for historical conditions were evaluated by comparing model outputs produced from historical climate forcings developed from gridded station data (GSD) versus those produced from the three statistically downscaled GCMs using the ARRM methodology. The PRMS and SNTemp models were forced with the GSD and the outputs produced were treated as “truth.” This allowed for a spatial comparison by HRU of the GSD-based output with ARRM-based output. Distributional similarities between GSD- and ARRM-based model outputs were compared using the two-sample Kolmogorov–Smirnov (KS) test in combination with descriptive metrics such as the mean and variance and an evaluation of rare and sustained events. In general, precipitation and streamflow quantities were negatively biased in the downscaled GCM outputs, and results indicate that the downscaled GCM simulations consistently underestimate the largest precipitation events relative to the GSD. The KS test results indicate that ARRM-based air temperatures are similar to GSD at the daily time step for the majority of the ACFB, with perhaps subweekly averaging for stream temperature. Depending on GCM and spatial location, ARRM-based precipitation and streamflow requires averaging of up to 30 days to become similar to the GSD-based output.
Evaluation of the model skill for historical conditions suggests some guidelines for use of future projections; while it seems correct to place greater confidence in evaluation metrics which perform well historically, this does not necessarily mean those metrics will accurately reflect model outputs for future climatic conditions. Results from this study indicate no “best” overall model, but the breadth of analysis can be used to give the product users an indication of the applicability of the results to address their particular problem. Since results for historical conditions indicate that model outputs can have significant biases associated with them, the range in future projections examined in terms of change relative to historical conditions for each individual GCM may be more appropriate.
","language":"English","publisher":"American Meteorological Society","doi":"10.1175/2013EI000554.1","usgsCitation":"Hay, L.E., LaFontaine, J.H., and Markstrom, S.L., 2014, Evaluation of statistically downscaled GCM output as input for hydrological and stream temperature simulation in the Apalachicola–Chattahoochee–Flint River Basin (1961–99): Earth Interactions, v. 18, p. 1-32, https://doi.org/10.1175/2013EI000554.1.","productDescription":"32 p.","startPage":"1","endPage":"32","ipdsId":"IP-052922","costCenters":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":473306,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1175/2013ei000554.1","text":"Publisher Index Page"},{"id":343366,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida, Georgia","otherGeospatial":"Apalachicola–Chattahoochee–Flint River Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -85.60546875,\n 29.6594160549124\n ],\n [\n -83.7158203125,\n 29.6594160549124\n ],\n [\n -83.7158203125,\n 34.470335121217474\n ],\n [\n -85.60546875,\n 34.470335121217474\n ],\n [\n -85.60546875,\n 29.6594160549124\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"18","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2014-04-14","publicationStatus":"PW","scienceBaseUri":"595dfab7e4b0d1f9f056a7a6","contributors":{"authors":[{"text":"Hay, Lauren E. 0000-0003-3763-4595 lhay@usgs.gov","orcid":"https://orcid.org/0000-0003-3763-4595","contributorId":1287,"corporation":false,"usgs":true,"family":"Hay","given":"Lauren","email":"lhay@usgs.gov","middleInitial":"E.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":703494,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"LaFontaine, Jacob H. 0000-0003-4923-2630 jlafonta@usgs.gov","orcid":"https://orcid.org/0000-0003-4923-2630","contributorId":2258,"corporation":false,"usgs":true,"family":"LaFontaine","given":"Jacob","email":"jlafonta@usgs.gov","middleInitial":"H.","affiliations":[{"id":316,"text":"Georgia Water Science Center","active":true,"usgs":true},{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"preferred":true,"id":703495,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Markstrom, Steven L. 0000-0001-7630-9547 markstro@usgs.gov","orcid":"https://orcid.org/0000-0001-7630-9547","contributorId":146553,"corporation":false,"usgs":true,"family":"Markstrom","given":"Steven","email":"markstro@usgs.gov","middleInitial":"L.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true}],"preferred":true,"id":703496,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70178269,"text":"70178269 - 2014 - Arsenic speciation and sorption in natural environments","interactions":[],"lastModifiedDate":"2018-08-06T12:07:05","indexId":"70178269","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3281,"text":"Reviews in Mineralogy and Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Arsenic speciation and sorption in natural environments","docAbstract":"Aqueous arsenic speciation, or the chemical forms in which arsenic exists in water, is a challenging, interesting, and complicated aspect of environmental arsenic geochemistry. Arsenic has the ability to form a wide range of chemical bonds with carbon, oxygen, hydrogen, and sulfur, resulting in a large variety of compounds that exhibit a host of chemical and biochemical properties. Besides the intriguing chemical diversity, arsenic also has the rare capacity to capture our imaginations in a way that few elements can duplicate: it invokes images of foul play that range from sinister to comedic (e.g., “inheritance powder” and arsenic-spiked elderberry wine). However, the emergence of serious large-scale human health problems from chronic arsenic exposure in drinking water has placed a high priority on understanding environmental arsenic mobility, toxicity, and bioavailability, and chemical speciation is key to these important questions. 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Hawaiian ecosystems evolved in the absence of large mammals and all currently hunted animals in Hawai‘i are non-native species. The best-studied aspects of Hawai‘i’s ungulates have dealt primarily with direct negative effects on native biota in natural areas, but there has been little research in population dynamics for sustained-yield management. Ungulates have been removed from approximately 750 km2 throughout the Hawaiian Islands to protect these natural areas, thereby reducing the amount of land area available for hunting activities and the maintenance of game populations. At the same time, unauthorized introductions of additional wild ungulate species between Hawaiian Islands have recently increased in frequency. The majority of hunting activities are of feral domestic livestock species for subsistence purposes, which typically do not generate sufficient revenue to offset costs of game management. Moreover, bag limits and seasons are generally not determined from biological criteria because harvest reporting is voluntary and game populations are rarely monitored. Consequently, ungulate populations cannot be managed for any particular level of abundance or other objectives. Research and monitoring which emphasize population dynamics and productivity would enable more precisely regulated sustained-yield game management programs and may reduce potential conflicts with the conservation of native biota.
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\"}}]}","volume":"26","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"568f9a57e4b0e7a44bc63dba","contributors":{"authors":[{"text":"Hess, Steve C. 0000-0001-6403-9922 shess@usgs.gov","orcid":"https://orcid.org/0000-0001-6403-9922","contributorId":150366,"corporation":false,"usgs":true,"family":"Hess","given":"Steve","email":"shess@usgs.gov","middleInitial":"C.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true},{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"preferred":true,"id":587862,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70168394,"text":"70168394 - 2014 - Quantifying spatial scaling patterns and their local and regional correlates in headwater streams: Implications for resilience","interactions":[],"lastModifiedDate":"2016-02-15T15:52:45","indexId":"70168394","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1468,"text":"Ecology and Society","active":true,"publicationSubtype":{"id":10}},"title":"Quantifying spatial scaling patterns and their local and regional correlates in headwater streams: Implications for resilience","docAbstract":"The distribution of functional traits within and across spatiotemporal scales has been used to quantify and infer the relative resilience across ecosystems. We use explicit spatial modeling to evaluate within- and cross-scale redundancy in headwater streams, an ecosystem type with a hierarchical and dendritic network structure. We assessed the cross-scale distribution of functional feeding groups of benthic invertebrates in Swedish headwater streams during two seasons. We evaluated functional metrics, i.e., Shannon diversity, richness, and evenness, and the degree of redundancy within and across modeled spatial scales for individual feeding groups. We also estimated the correlates of environmental versus spatial factors of both functional composition and the taxonomic composition of functional groups for each spatial scale identified. Measures of functional diversity and within-scale redundancy of functions were similar during both seasons, but both within- and cross-scale redundancy were low. This apparent low redundancy was partly attributable to a few dominant taxa explaining the spatial models. However, rare taxa with stochastic spatial distributions might provide additional information and should therefore be considered explicitly for complementing future resilience assessments. Otherwise, resilience may be underestimated. Finally, both environmental and spatial factors correlated with the scale-specific functional and taxonomic composition. This finding suggests that resilience in stream networks emerges as a function of not only local conditions but also regional factors such as habitat connectivity and invertebrate dispersal.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecology and Society","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Ecological Society of America","publisherLocation":"Ottawa","doi":"10.5751/ES-06750-190315","usgsCitation":"Gothe, E., Sandin, L., Allen, C.R., and Angeler, D., 2014, Quantifying spatial scaling patterns and their local and regional correlates in headwater streams: Implications for resilience: Ecology and Society, v. 19, no. 3, art15: 11 p., https://doi.org/10.5751/ES-06750-190315.","productDescription":"art15: 11 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071795","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":473273,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.5751/es-06750-190315","text":"Publisher Index Page"},{"id":317930,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Sweden","otherGeospatial":"Krycklan River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 21.665039062499996,\n 64.45384948864441\n ],\n [\n 20.91796875,\n 64.07219957867284\n ],\n [\n 20.302734375,\n 63.60721668033077\n ],\n [\n 19.335937499999996,\n 63.35212928507874\n ],\n [\n 18.6767578125,\n 63.03503931552975\n ],\n [\n 17.3583984375,\n 63.25341156651705\n ],\n [\n 15.908203125,\n 63.80189351770543\n ],\n [\n 15.380859374999998,\n 64.28275952823394\n ],\n [\n 15.380859374999998,\n 65.07213008560697\n ],\n [\n 15.556640624999998,\n 65.54936668811527\n ],\n [\n 16.34765625,\n 65.98227002980873\n ],\n [\n 18.369140624999996,\n 66.23145747862573\n ],\n [\n 20.6103515625,\n 66.08936427047085\n ],\n [\n 21.708984375,\n 65.4217295985527\n ],\n [\n 21.796875,\n 65.18303007291382\n ],\n [\n 21.4013671875,\n 64.830253743883\n ],\n [\n 21.665039062499996,\n 64.45384948864441\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"19","issue":"3","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56bdbecae4b06458514aeedc","contributors":{"authors":[{"text":"Gothe, Emma","contributorId":166718,"corporation":false,"usgs":false,"family":"Gothe","given":"Emma","email":"","affiliations":[],"preferred":false,"id":619866,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sandin, Leonard","contributorId":13844,"corporation":false,"usgs":true,"family":"Sandin","given":"Leonard","email":"","affiliations":[],"preferred":false,"id":619867,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Allen, Craig R. 0000-0001-8655-8272 allencr@usgs.gov","orcid":"https://orcid.org/0000-0001-8655-8272","contributorId":1979,"corporation":false,"usgs":true,"family":"Allen","given":"Craig","email":"allencr@usgs.gov","middleInitial":"R.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true},{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":619860,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Angeler, David G.","contributorId":25027,"corporation":false,"usgs":true,"family":"Angeler","given":"David G.","affiliations":[],"preferred":false,"id":619868,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70192007,"text":"70192007 - 2014 - Restoration of Rio Grande cutthroat trout Oncorhynchus clarkii virginalis to the Mescalero Apache Reservation","interactions":[],"lastModifiedDate":"2018-01-26T11:24:10","indexId":"70192007","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":5373,"text":"Cooperator Science Series","active":true,"publicationSubtype":{"id":1}},"seriesNumber":"FWS/CSS-111-2014","title":"Restoration of Rio Grande cutthroat trout Oncorhynchus clarkii virginalis to the Mescalero Apache Reservation","docAbstract":"Rio Grande Cutthroat trout Oncorhynchus clarkii virginalis (RGCT) represents the most southern subspecies of cutthroat trout, endemic to Rio Grande, Canadian, and Pecos basins of New Mexico and southern Colorado. The subspecies currently occupies less than 12% of its historic range. The Mescalero Apache Tribe has partnered with U.S. Geological Survey-New Mexico Cooperative Fish and Wildlife Research Unit, New Mexico State University, U.S. Fish and Wildlife Service, and New Mexico Department of Game and Fish to meet mutually shared goals of restoring and maintaining a Pecos strain of RGCT to Tribal lands. The goal of this project was to assess the suitability of the Rio Ruidoso within the Mescalero Apache Reservation to support a self-sustaining RGCT population by conducting a systematic and comprehensive survey. We conducted three surveys (fall 2010, spring 2011 and 2012) to characterize water quality, macroinvertebrate assemblages, fish communities, and physical habitat (stream size, channel gradient, channel substrate, habitat complexity, riparian vegetation cover and structure, migration barriers to movement).
Seven-100 m reaches throughout three major tributaries of the Rio Ruidoso within the Tribal lands were sampled during baseflow conditions October 2010, May 2011, and June 2012. Despite the onset of severe drought in 2011, water quality, physical habitat, and fish populations revealed that the Rio Ruidoso and its three tributaries would most likely support a self-sustaining RGCT population. Pools were abundant (mean, 8.9 pools/100 m), instream woody debris was present (range, 3.8-45.6 pieces/100 m), and instream dataloggers revealed daily maximum stream temperatures rarely exceeded criteria established in New Mexico for coldwater fishes, however, presence of frazil and anchor ice may limit fish distribution in the winter. Aquatic macroinvertebrate samples revealed a community of benthic invertebrates reflective of high quality cool to cold water. Overall densities of brown trout, rainbow trout and brook trout were high (overall mean, 0.23 fish/m2) and in relatively good condition (range of mean relative weight, 84-117).
Should the Mescalero Apache Tribe decide to introduce RGCT, prior to chemical treatment, a barrier placed below the confluence of Middle and South forks of the Rio Ruidoso would create approximately 12 km of perennial flow and help protect against invasion of non-native fishes. The North Fork of the Rio Ruidoso is not a good candidate for reintroduction because of easy access by the public to reintroduce non-native fishes into the watershed. Lastly, an annual, long-term monitoring program of RGCT would help document that there was no subsequent incursion of non-native fishes.
","language":"English","publisher":"U.S. Fish and Wildlife Service","usgsCitation":"Kalb, B.W., and Caldwell, C.A., 2014, Restoration of Rio Grande cutthroat trout Oncorhynchus clarkii virginalis to the Mescalero Apache Reservation: Cooperator Science Series FWS/CSS-111-2014, 62 p.","productDescription":"62 p.","ipdsId":"IP-055912","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":350654,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350653,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://digitalmedia.fws.gov/cdm/ref/collection/document/id/2070"}],"publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6c4c98e4b06e28e9cabb18","contributors":{"authors":[{"text":"Kalb, Bradley W.","contributorId":201490,"corporation":false,"usgs":false,"family":"Kalb","given":"Bradley","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":725898,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Caldwell, Colleen A. 0000-0002-4730-4867 ccaldwel@usgs.gov","orcid":"https://orcid.org/0000-0002-4730-4867","contributorId":3050,"corporation":false,"usgs":true,"family":"Caldwell","given":"Colleen","email":"ccaldwel@usgs.gov","middleInitial":"A.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":713834,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70189052,"text":"70189052 - 2014 - Petrology and chemistry of the Green Acres gabbro complex near Winchester, Riverside County, California","interactions":[],"lastModifiedDate":"2019-02-01T16:12:12","indexId":"70189052","displayToPublicDate":"2014-01-01T00:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Petrology and chemistry of the Green Acres gabbro complex near Winchester, Riverside County, California","docAbstract":"The Cretaceous Green Acres layered igneous complex, northeast of Winchester, California, is composed of a suite of olivine- and hornblende-bearing gabbros in the Peninsular Ranges batholith within the Perris tectonic block. A consistent mineral assemblage is observed throughout the complex, but there is considerable textural and modal heterogeneity. Both preclude a consistent set of principles based on appearance and mineralogy on which to delineate map units. Distinct changes in the chemistry of olivine, pyroxene, and hornblende, however, serve to define discrete mappable units, and the complex has been divided into five geochemical map units on this basis.
Limited whole-rock data show the Green Acres complex is chemically comparable to other Peninsular Ranges batholith gabbroic rocks, and rare earth element (REE) concentrations and patterns are typical of magmas generated in convergent margin settings. For the complex as a whole, olivine is Fo80–35, plagioclase is An100–64, clinopyroxene is Wo49–41En48–38Fs18–6 and Wo36–26En65–42Fs30–8, and orthopyroxene is Wo5–0En78–42Fs50–21, where Fo is forsterite, An is anorthite, Wo is wollastonite, En is enstatite, and Fs is ferrosilite. The Mg/(Mg + ΣFe) atomic ratio in hornblende ranges from 0.84 to 0.50.
Magmatic lineations and modal and textural layering are prevalent throughout the complex. Mineral chemistry does not change in any systematic way within and between layers in any map unit. Although the strike of layering varies, in any map unit at any given location it is the same in all units irrespective of intrusive order. Thin dikes, typically late-stage hornblende gabbro, commonly intrude parallel to layering. The strikes of magmatic lineations and modal layers are consistent with the populations of strikes of fabrics in the metamorphic basement as well as tectonic features in surrounding, postgabbro granitic rocks. These relations imply that the regional state of stress at the time of gabbro emplacement played a role in layer formation in conjunction with thermal and hydraulic pressure perturbations.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Peninsular Ranges Batholith, Baja California and Southern California","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Geological Society of America","doi":"10.1130/2014.1211(10)","usgsCitation":"Berger, B.R., 2014, Petrology and chemistry of the Green Acres gabbro complex near Winchester, Riverside County, California, chap. of Peninsular Ranges Batholith, Baja California and Southern California, v. 211, p. 365-394, https://doi.org/10.1130/2014.1211(10).","productDescription":"30 p.","startPage":"365","endPage":"394","ipdsId":"IP-026650","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":343147,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","county":"Riverside County","volume":"211","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"595611c2e4b0d1f9f05067ba","contributors":{"editors":[{"text":"Morton, Douglas M. scamp@usgs.gov","contributorId":4102,"corporation":false,"usgs":true,"family":"Morton","given":"Douglas","email":"scamp@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":702736,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Miller, Fred K.","contributorId":89503,"corporation":false,"usgs":true,"family":"Miller","given":"Fred","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":702737,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Berger, Byron R. bberger@usgs.gov","contributorId":1490,"corporation":false,"usgs":true,"family":"Berger","given":"Byron","email":"bberger@usgs.gov","middleInitial":"R.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":702655,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70059129,"text":"70059129 - 2014 - Unique characteristics of the trachea of the juvenile leatherback turtle facilitate feeding, diving and endothermy","interactions":[],"lastModifiedDate":"2022-11-02T16:24:33.741251","indexId":"70059129","displayToPublicDate":"2013-12-18T09:47:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2277,"text":"Journal of Experimental Marine Biology and Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Unique characteristics of the trachea of the juvenile leatherback turtle facilitate feeding, diving and endothermy","docAbstract":"The adult leatherback turtle Dermochelys coriacea overlaps in body size (300–500 kg) with many marine mammals, yet develops from a 50 g hatchling. Adults can dive deeper than 1200 m and have core body temperatures of 25 °C; hatchlings are near-surface dwellers. Juvenile leatherbacks have rarely been studied; here we present anatomical information for the upper respiratory tract of 3 turtles (66.7–83.0 cm straight carapace length; 33.2–53.4 kg body mass) incidentally captured by long-line fisheries. Combined with existing information from adults and hatchlings, our data show that there is an ontogenic shift in tracheal structure, with cartilaginous rings becoming broader and eventually fusing anteriorly. This ontogenic shift during independent existence is unique among extant deep-diving air breathing vertebrates. Tract wall thickness is graded, becoming progressively thinner from larynx to bronchi. In addition, cross-sectional shape becomes increasingly dorsoventrally flattened (more elliptical) from anterior to posterior. These characteristics ensure that the tract will collapse from posterior to anterior during dives. This study contains the first report of a double (= internally bifurcated) posterior section of the trachea; it is suggested that this allows continuous food movement along the esophagus without tracheal collapse. The whole upper respiratory tract (from larynx to lungs) has a vascular lining (thicker anteriorly than posteriorly) that appears to be a simple analog of the complex turbinates of birds and mammals. Our study confirmed that the leatherback tracheal structure represents a distinctive way of dealing with the challenges of diving in deep, cold sea water.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.jembe.2013.10.013","usgsCitation":"Davenport, J., Jones, T., Work, T.M., and Balazs, G.H., 2014, Unique characteristics of the trachea of the juvenile leatherback turtle facilitate feeding, diving and endothermy: Journal of Experimental Marine Biology and Ecology, v. 450, p. 40-46, https://doi.org/10.1016/j.jembe.2013.10.013.","productDescription":"7 p.","startPage":"40","endPage":"46","numberOfPages":"7","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-049401","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":280396,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Equatorial Pacific Ocean","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 166.77294853142018,\n 14.78558056021572\n ],\n [\n 166.77294853142018,\n 14.32788557818715\n ],\n [\n 167.43150821435654,\n 14.32788557818715\n ],\n [\n 167.43150821435654,\n 14.78558056021572\n ],\n [\n 166.77294853142018,\n 14.78558056021572\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 169.499920820532,\n 11.546374884556585\n ],\n [\n 169.499920820532,\n 11.127206568923143\n ],\n [\n 169.93721295290305,\n 11.127206568923143\n ],\n [\n 169.93721295290305,\n 11.546374884556585\n ],\n [\n 169.499920820532,\n 11.546374884556585\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 163.24369271990167,\n 5.106657114971725\n ],\n [\n 163.24369271990167,\n 4.40233629638837\n ],\n [\n 164.18797836826207,\n 4.40233629638837\n ],\n [\n 164.18797836826207,\n 5.106657114971725\n ],\n [\n 163.24369271990167,\n 5.106657114971725\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"450","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"52b2c406e4b08e3289f1571f","contributors":{"authors":[{"text":"Davenport, John","contributorId":68643,"corporation":false,"usgs":true,"family":"Davenport","given":"John","email":"","affiliations":[],"preferred":false,"id":487480,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jones, T. Todd","contributorId":61334,"corporation":false,"usgs":true,"family":"Jones","given":"T. Todd","affiliations":[],"preferred":false,"id":487479,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Work, Thierry M. 0000-0002-4426-9090 thierry_work@usgs.gov","orcid":"https://orcid.org/0000-0002-4426-9090","contributorId":1187,"corporation":false,"usgs":true,"family":"Work","given":"Thierry","email":"thierry_work@usgs.gov","middleInitial":"M.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":487478,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Balazs, George H.","contributorId":88195,"corporation":false,"usgs":true,"family":"Balazs","given":"George","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":487481,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70046853,"text":"70046853 - 2014 - Deep-ocean ferromanganese crusts and nodules","interactions":[],"lastModifiedDate":"2017-02-03T12:38:01","indexId":"70046853","displayToPublicDate":"2013-12-01T10:52:50","publicationYear":"2014","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Deep-ocean ferromanganese crusts and nodules","docAbstract":"Ferromanganese crusts and nodules may provide a future resource for a large variety of metals, including many that are essential for emerging high- and green-technology applications. A brief review of nodules and crusts provides a setting for a discussion on the latest (past 10 years) research related to the geochemistry of sequestration of metals from seawater. Special attention is given to cobalt, nickel, titanium, rare earth elements and yttrium, bismuth, platinum, tungsten, tantalum, hafnium, tellurium, molybdenum, niobium, zirconium, and lithium. Sequestration from seawater by sorption, surface oxidation, substitution, and precipitation of discrete phases is discussed. Mechanisms of metal enrichment reflect modes of formation of the crusts and nodules, such as hydrogenetic (from seawater), diagenetic (from porewaters), and mixed diagenetic–hydrogenetic processes.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Treatise on geochemistry","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","doi":"10.1016/B978-0-08-095975-7.01111-6","usgsCitation":"Hein, J.R., and Koschinsky, A., 2014, Deep-ocean ferromanganese crusts and nodules, chap. of Treatise on geochemistry, v. 13, p. 273-291, https://doi.org/10.1016/B978-0-08-095975-7.01111-6.","productDescription":"19 p.","startPage":"273","endPage":"291","ipdsId":"IP-030576","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":284154,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":284153,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/B978-0-08-095975-7.01111-6"}],"volume":"13","edition":"Second","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd53f0e4b0b290850f574a","contributors":{"authors":[{"text":"Hein, James R. 0000-0002-5321-899X jhein@usgs.gov","orcid":"https://orcid.org/0000-0002-5321-899X","contributorId":2828,"corporation":false,"usgs":true,"family":"Hein","given":"James","email":"jhein@usgs.gov","middleInitial":"R.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":480471,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Koschinsky, Andrea","contributorId":83813,"corporation":false,"usgs":true,"family":"Koschinsky","given":"Andrea","affiliations":[],"preferred":false,"id":480472,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70103148,"text":"70103148 - 2014 - Changing ecosystem dynamics in the Laurentian Great Lakes: Bottom-up and top-down regulation","interactions":[],"lastModifiedDate":"2021-02-04T18:30:02.186229","indexId":"70103148","displayToPublicDate":"2013-11-12T12:20:41","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":997,"text":"BioScience","active":true,"publicationSubtype":{"id":10}},"title":"Changing ecosystem dynamics in the Laurentian Great Lakes: Bottom-up and top-down regulation","docAbstract":"Understanding the relative importance of top-down and bottom-up regulation of ecosystem structure is a fundamental ecological question, with implications for fisheries and water-quality management. For the Laurentian Great Lakes, where, since the early 1970s, nutrient inputs have been reduced, whereas top-predator biomass has increased, we describe trends across multiple trophic levels and explore their underlying drivers. Our analyses revealed increasing water clarity and declines in phytoplankton, native invertebrates, and prey fish since 1998 in at least three of the five lakes. Evidence for bottom-up regulation was strongest in Lake Huron, although each lake provided support in at least one pair of trophic levels. Evidence for top-down regulation was rare. Although nonindigenous dreissenid mussels probably have large impacts on nutrient cycling and phytoplankton, their effects on higher trophic levels remain uncertain. We highlight gaps for which monitoring and knowledge should improve the understanding of food-web dynamics and facilitate the implementation of ecosystem-based management.
","language":"English","publisher":"Oxford Academic","doi":"10.1093/biosci/bit001","usgsCitation":"Bunnell, D., Barbiero, R.P., Ludsin, S.A., Madenjian, C.P., Warren, G.J., Dolan, D.M., Brenden, T.O., Briland, R., Gorman, O.T., Hi, J.X., Johengen, T.F., Lantry, B.F., Lesht, B.M., Nalepa, T., Riley, S.C., Riseng, C.M., Treska, T.J., Tsehaye, I., Walsh, M., Warner, D.M., and Weidel, B., 2014, Changing ecosystem dynamics in the Laurentian Great Lakes: Bottom-up and top-down regulation: BioScience, v. 64, no. 1, p. 29-39, https://doi.org/10.1093/biosci/bit001.","productDescription":"11 p.","startPage":"29","endPage":"39","ipdsId":"IP-049007","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":473332,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/biosci/bit001","text":"Publisher Index 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cmadenjian@usgs.gov","orcid":"https://orcid.org/0000-0002-0326-164X","contributorId":2200,"corporation":false,"usgs":true,"family":"Madenjian","given":"Charles","email":"cmadenjian@usgs.gov","middleInitial":"P.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":518752,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Warren, Glenn J.","contributorId":79407,"corporation":false,"usgs":true,"family":"Warren","given":"Glenn","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":518767,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Dolan, David M.","contributorId":7189,"corporation":false,"usgs":true,"family":"Dolan","given":"David","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":518760,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Brenden, Travis O.","contributorId":13876,"corporation":false,"usgs":true,"family":"Brenden","given":"Travis","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":518761,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Briland, Ruth","contributorId":65004,"corporation":false,"usgs":true,"family":"Briland","given":"Ruth","affiliations":[],"preferred":false,"id":518765,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Gorman, Owen T. 0000-0003-0451-110X otgorman@usgs.gov","orcid":"https://orcid.org/0000-0003-0451-110X","contributorId":2888,"corporation":false,"usgs":true,"family":"Gorman","given":"Owen","email":"otgorman@usgs.gov","middleInitial":"T.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":518755,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Hi, Ji X.","contributorId":119795,"corporation":false,"usgs":true,"family":"Hi","given":"Ji","email":"","middleInitial":"X.","affiliations":[],"preferred":false,"id":518770,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Johengen, Thomas F.","contributorId":120785,"corporation":false,"usgs":true,"family":"Johengen","given":"Thomas","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":518772,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Lantry, Brian F. 0000-0001-8797-3910 bflantry@usgs.gov","orcid":"https://orcid.org/0000-0001-8797-3910","contributorId":3435,"corporation":false,"usgs":true,"family":"Lantry","given":"Brian","email":"bflantry@usgs.gov","middleInitial":"F.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":518758,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Lesht, Barry M.","contributorId":72711,"corporation":false,"usgs":true,"family":"Lesht","given":"Barry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":518766,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Nalepa, Thomas F.","contributorId":28212,"corporation":false,"usgs":true,"family":"Nalepa","given":"Thomas F.","affiliations":[],"preferred":false,"id":518762,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Riley, Stephen C. 0000-0002-8968-8416 sriley@usgs.gov","orcid":"https://orcid.org/0000-0002-8968-8416","contributorId":2661,"corporation":false,"usgs":true,"family":"Riley","given":"Stephen","email":"sriley@usgs.gov","middleInitial":"C.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":false,"id":518754,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Riseng, Catherine M.","contributorId":30144,"corporation":false,"usgs":true,"family":"Riseng","given":"Catherine","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":518764,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Treska, Ted J.","contributorId":28528,"corporation":false,"usgs":true,"family":"Treska","given":"Ted","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":518763,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Tsehaye, Iyob","contributorId":106801,"corporation":false,"usgs":true,"family":"Tsehaye","given":"Iyob","email":"","affiliations":[],"preferred":false,"id":518768,"contributorType":{"id":1,"text":"Authors"},"rank":18},{"text":"Walsh, Maureen 0000-0001-7846-5025 mwalsh@usgs.gov","orcid":"https://orcid.org/0000-0001-7846-5025","contributorId":3659,"corporation":false,"usgs":true,"family":"Walsh","given":"Maureen","email":"mwalsh@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science 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distribution record for the rare limpet Acroloxus coloradensis (Henderson, 1930) (Gastropoda: Acroloxidae) from Montana","interactions":[],"lastModifiedDate":"2022-11-10T17:41:08.323149","indexId":"70156156","displayToPublicDate":"2015-04-30T00:00:00","publicationYear":"2013","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2849,"text":"Nautilus","active":true,"publicationSubtype":{"id":10}},"displayTitle":"New distribution record for the rare limpet Acroloxus coloradensis (Henderson, 1930) (Gastropoda: Acroloxidae) from Montana","title":"New distribution record for the rare limpet Acroloxus coloradensis (Henderson, 1930) (Gastropoda: Acroloxidae) from Montana","docAbstract":"The Rocky Mountain Capshell, Acroloxus coloradensis (Henderson, 1930), the only North American member of the basommatophoran family Acroloxidae, is broadly distributed across southern Canada and south into the Rocky Mountains in the USA (Turgeon et al., 1998; Lee and Ackerman, 2000). Despite its wide geographic range, A. coloradensis has been documented from < 30 locations, mostly in British Columbia, Alberta, Ontario, and Quebec (Lee and Ackerman, 2000; Anderson, 2005). Relict populations of A. coloradensis in the USA have been documented from only 6 sites in Colorado and 2 sites in Glacier National Park (Glacier NP), Montana (Anderson, 2005; Ellis et al., 2004). In Glacier NP, A. coloradensis was first reported from Lost Lake (Figure 1; Russell and Brunson, 1967). A second population in the park was discovered in Trout Lake in 2001 (Ellis et al., 2004). In both lakes, A. coloradensis was found primarily under rocks and other cover objects.
","language":"English","publisher":"The Nautilus","usgsCitation":"Hossack, B.R., and Newell, R., 2013, New distribution record for the rare limpet Acroloxus coloradensis (Henderson, 1930) (Gastropoda: Acroloxidae) from Montana: Nautilus, v. 127, no. 1, p. 40-41.","productDescription":"2 p.","startPage":"40","endPage":"41","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-041053","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":306836,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":306833,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.biodiversitylibrary.org/itemdetails/203167"}],"country":"United States","state":"Montana","otherGeospatial":"Glacier National Park","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -113.23354557411693,\n 48.40400757076276\n ],\n [\n -113.39720778937023,\n 48.689405550968985\n ],\n [\n -113.42914188977605,\n 48.765766178519925\n ],\n [\n -113.50498537824026,\n 48.83412886531235\n ],\n [\n -113.59401775628623,\n 48.92401108435317\n ],\n [\n -113.59678608575092,\n 49.0061706189355\n ],\n [\n -113.98399688432988,\n 49.00277590262988\n ],\n [\n -114.0990659159349,\n 49.0026611105327\n ],\n [\n -114.48072044259979,\n 49.001695525846856\n ],\n [\n -114.38169636923216,\n 48.87763573956872\n ],\n [\n -114.63864599198041,\n 48.83938370388864\n ],\n [\n -114.69453066769094,\n 48.778920114797415\n ],\n [\n -114.64263775453097,\n 48.72101714499948\n ],\n [\n -114.59872836647303,\n 48.69731033311706\n ],\n [\n -114.51490135290722,\n 48.60501098543017\n ],\n [\n -114.39115671383402,\n 48.47286160903545\n ],\n [\n -114.20753563649974,\n 48.38015173571776\n ],\n [\n -114.12770038548499,\n 48.38015173571776\n ],\n [\n -114.04387337191919,\n 48.374848920144416\n ],\n [\n -114.03988160936768,\n 48.441094418419\n ],\n [\n -113.99198045875873,\n 48.472861609034766\n ],\n [\n -113.98000517110661,\n 48.50460892313461\n ],\n [\n -113.86025229458444,\n 48.475507977678745\n ],\n [\n -113.8123511439755,\n 48.41990524751307\n ],\n [\n -113.72852413040968,\n 48.40135747473059\n ],\n [\n -113.66465592959759,\n 48.345673560866345\n ],\n [\n -113.56885362837967,\n 48.231464071208535\n ],\n [\n -113.50897719011857,\n 48.223486435023545\n ],\n [\n -113.28943024982748,\n 48.345673560866345\n ],\n [\n -113.23354557411693,\n 48.40400757076276\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"127","issue":"1","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55d45732e4b0518e354694d6","contributors":{"authors":[{"text":"Hossack, Blake R. 0000-0001-7456-9564 blake_hossack@usgs.gov","orcid":"https://orcid.org/0000-0001-7456-9564","contributorId":1177,"corporation":false,"usgs":true,"family":"Hossack","given":"Blake","email":"blake_hossack@usgs.gov","middleInitial":"R.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true},{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":567931,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Newell, Robert L.","contributorId":58109,"corporation":false,"usgs":true,"family":"Newell","given":"Robert L.","affiliations":[],"preferred":false,"id":567932,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70103044,"text":"70103044 - 2013 - A description of the nearshore fish communities in the Huron-Erie Corridor using multiple gear types","interactions":[],"lastModifiedDate":"2015-11-30T11:27:59","indexId":"70103044","displayToPublicDate":"2014-02-01T14:12:00","publicationYear":"2013","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"title":"A description of the nearshore fish communities in the Huron-Erie Corridor using multiple gear types","docAbstract":"Great Lakes coastal wetlands provide a critical habitat for many fish species throughout their life cycles. Once home to one of the largest wetland complexes in the Great Lakes, coastal wetlands in the Huron–Erie Corridor (HEC) have decreased dramatically since the early 1900s. We characterized the nearshore fish communities at three different wetland complexes in the HEC using electrofishing, seines, and fyke nets. Species richness was highest in the Detroit River (63), followed by the St. Clair Delta (56), and Western Lake Erie (47). The nearshore fish communities in the Detroit River and St. Clair Delta consisted primarily of shiners, bluntnose minnow, centrarchids, and brook silverside, while the Western Lake Erie sites consisted of high proportions of non-native taxa including common carp, gizzard shad, goldfish, and white perch. Species richness estimates using individual-based rarefaction curves were higher when using electrofishing data compared to fyke nets or seine hauls at each wetland. Twelve fish species were captured exclusively during electrofishing assessments, while one species was captured exclusively in fyke nets, and none exclusively during seine hauls. Western Lake Erie wetlands were more indicative of degraded systems with lower species richness, lower proportion of turbidity intolerant species, and increased abundance of non-native taxa. This work highlights the importance of coastal wetlands in the HEC by capturing 69 different fish species utilizing these wetlands to fulfill life history requirements and provides insight when selecting gears to sample nearshore littoral areas.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Great Lakes Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.jglr.2014.01.007","usgsCitation":"Francis, J.T., Chiotti, J.A., Boase, J., Thomas, M.V., Manny, B.A., and Roseman, E., 2013, A description of the nearshore fish communities in the Huron-Erie Corridor using multiple gear types: Journal of Great Lakes Research, v. 40, p. 52-61, https://doi.org/10.1016/j.jglr.2014.01.007.","productDescription":"10 p.","startPage":"52","endPage":"61","numberOfPages":"10","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-050304","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":295235,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jglr.2014.01.007"},{"id":295236,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Detroit River, Great Lakes, Lake Erie, St. Clair Delta","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -82.529296875,\n 42.73894375124379\n ],\n [\n -82.232666015625,\n 42.374778361114195\n ],\n [\n -82.3699951171875,\n 42.261049162113856\n ],\n [\n -82.63916015625,\n 42.19189902447192\n ],\n [\n -82.8369140625,\n 42.200038266046754\n ],\n [\n -82.957763671875,\n 42.1104489601222\n ],\n [\n -82.891845703125,\n 42.0615286181226\n ],\n [\n -83.0291748046875,\n 41.64828831259535\n ],\n [\n -83.21044921875,\n 41.529141988723104\n ],\n [\n -83.5565185546875,\n 41.475660200278234\n ],\n [\n -83.6773681640625,\n 41.63597302844412\n ],\n [\n -83.770751953125,\n 41.87774145109676\n ],\n [\n -83.66638183593749,\n 42.02889410108475\n ],\n [\n -83.42468261718749,\n 42.12267315117259\n ],\n [\n -83.2708740234375,\n 42.22851735620852\n ],\n [\n -83.16650390625,\n 42.4112905190282\n ],\n [\n -83.023681640625,\n 42.62587560259137\n ],\n [\n -82.90283203125,\n 42.75104599038353\n ],\n [\n -82.7490234375,\n 42.79136972365016\n ],\n [\n -82.59521484375,\n 42.771211138625894\n ],\n [\n -82.529296875,\n 42.73894375124379\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"40","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5438f518e4b0c47db4296bb6","contributors":{"authors":[{"text":"Francis, James T.","contributorId":81826,"corporation":false,"usgs":true,"family":"Francis","given":"James","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":493133,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chiotti, Justin A.","contributorId":59371,"corporation":false,"usgs":true,"family":"Chiotti","given":"Justin","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":493131,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Boase, James C.","contributorId":38077,"corporation":false,"usgs":false,"family":"Boase","given":"James C.","affiliations":[{"id":12428,"text":"U. 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Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":493130,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Thomas, Mike V.","contributorId":61363,"corporation":false,"usgs":true,"family":"Thomas","given":"Mike","email":"","middleInitial":"V.","affiliations":[],"preferred":false,"id":493132,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Manny, Bruce A. 0000-0002-4074-9329 bmanny@usgs.gov","orcid":"https://orcid.org/0000-0002-4074-9329","contributorId":3699,"corporation":false,"usgs":true,"family":"Manny","given":"Bruce","email":"bmanny@usgs.gov","middleInitial":"A.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":493129,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Roseman, Edward F.","contributorId":103204,"corporation":false,"usgs":true,"family":"Roseman","given":"Edward F.","affiliations":[],"preferred":false,"id":493134,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70116317,"text":"sir20105070K - 2013 - A deposit model for magmatic iron-titanium-oxide deposits related to Proterozoic massif anorthosite plutonic suite","interactions":[{"subject":{"id":70047763,"text":"sir20135091 - 2013 - A deposit model for magmatic iron-titanium-oxide deposits related to Proterozoic massif anorthosite plutonic suites","indexId":"sir20135091","publicationYear":"2013","noYear":false,"title":"A deposit model for magmatic iron-titanium-oxide deposits related to Proterozoic massif anorthosite plutonic suites"},"predicate":"SUPERSEDED_BY","object":{"id":70116317,"text":"sir20105070K - 2013 - A deposit model for magmatic iron-titanium-oxide deposits related to Proterozoic massif anorthosite plutonic suite","indexId":"sir20105070K","publicationYear":"2013","noYear":false,"chapter":"K","title":"A deposit model for magmatic iron-titanium-oxide deposits related to Proterozoic massif anorthosite plutonic suite"},"id":1}],"lastModifiedDate":"2022-12-12T23:07:42.262855","indexId":"sir20105070K","displayToPublicDate":"2014-01-01T10:32:56","publicationYear":"2013","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":"2010-5070","chapter":"K","title":"A deposit model for magmatic iron-titanium-oxide deposits related to Proterozoic massif anorthosite plutonic suite","docAbstract":"This descriptive model for magmatic iron-titanium-oxide (Fe-Ti-oxide) deposits hosted by Proterozoic age massif-type anorthosite and related rock types presents their geological, mineralogical, geochemical, and geoenvironmental attributes. Although these Proterozoic rocks are found worldwide, the majority of known deposits are found within exposed rocks of the Grenville Province, stretching from southwestern United States through eastern Canada; its extension into Norway is termed the Rogaland Anorthosite Province. This type of Fe-Ti-oxide deposit dominated by ilmenite rarely contains more than 300 million tons of ore, with between 10- to 45-percent titanium dioxide (TiO2), 32- to 45-percent iron oxide (FeO), and less than 0.2-percent vanadium (V).
\nThe origin of these typically discordant ore deposits remains as enigmatic as the magmatic evolution of their host rocks. The deposits clearly have a magmatic origin, hosted by an age-constrained unique suite of rocks that likely are the consequence of a particular combination of tectonic circumstances, rather than any a priori temporal control. Principal ore minerals are ilmenite and hemo-ilmenite (ilmenite with extensive hematite exsolution lamellae); occurrences of titanomagnetite, magnetite, and apatite that are related to this deposit type are currently of less economic importance. Ore-mineral paragenesis is somewhat obscured by complicated solid solution and oxidation behavior within the Fe-Ti-oxide system. Anorthosite suites hosting these deposits require an extensive history of voluminous plagioclase crystallization to develop plagioclase-melt diapirs with entrained Fe-Ti-rich melt rising from the base of the lithosphere to mid- and upper-crustal levels. Timing and style of oxide mineralization are related to magmatic and dynamic evolution of these diapiric systems and to development and movement of oxide cumulates and related melts.
\nActive mines have developed large open pits with extensive waste-rock piles, but because of the nature of the ore and waste rock, the major environmental impacts documented at the mine sites are reported to be waste disposal issues and somewhat degraded water quality.
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