{"pageNumber":"53","pageRowStart":"1300","pageSize":"25","recordCount":4111,"records":[{"id":70176257,"text":"70176257 - 2016 - Organic-matter retention and macroinvertebrate utilization of seasonally inundated bryophytes in a mid-order Piedmont River","interactions":[],"lastModifiedDate":"2016-09-07T11:09:20","indexId":"70176257","displayToPublicDate":"2016-09-07T12:00:00","publicationYear":"2016","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":"Organic-matter retention and macroinvertebrate utilization of seasonally inundated bryophytes in a mid-order Piedmont River","docAbstract":"<p><span>There is increased understanding of the role of bryophytes in supporting invertebrate biomass and for their influence on nutrient cycling and carbon balance in aquatic systems, but the structural and functional role of bryophytes growing in seasonally inundated habitats is substantially less studied. We conducted a study on the Middle Oconee River, near Athens, GA, to assess invertebrate abundance and organic-matter retention in seasonally inundated patches of the liverwort </span><i>Porella pinnata</i><span>, a species that tends to be submerged only when water levels in rivers are substantially above base flow. Aquatic invertebrate utilization of these seasonally inundated habitats has rarely been investigated. Macroinvertebrate biomass, insect density, and organic-matter content were significantly greater in patches of </span><i>P. pinnata</i><span> than on adjacent bare rock. Bryophyte biomass explained additional variation in organic matter, insect biomass, and density. The most abundant insects in </span><i>P. pinnata</i><span> patches were Dipterans and Plecopterans. Our results suggest an important structural role of seasonally inundated bryophyte habitats in riverine ecosystems.</span></p>","language":"English","publisher":"Eagle Hill Institute","doi":"10.1656/058.015.0303","usgsCitation":"Wood, J., Pattillo, M., and Freeman, M., 2016, Organic-matter retention and macroinvertebrate utilization of seasonally inundated bryophytes in a mid-order Piedmont River: Southeastern Naturalist, v. 15, no. 3, p. 403-414, https://doi.org/10.1656/058.015.0303.","productDescription":"12 p.","startPage":"403","endPage":"414","ipdsId":"IP-074380","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":328308,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Georgia","city":"Athens","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -83.57368469238281,\n              33.88580745357739\n            ],\n            [\n              -83.57368469238281,\n              34.05436610955984\n            ],\n            [\n              -83.37352752685547,\n              34.05436610955984\n            ],\n            [\n              -83.37352752685547,\n              33.88580745357739\n            ],\n            [\n              -83.57368469238281,\n              33.88580745357739\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"15","issue":"3","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57d12c21e4b0571647cec240","contributors":{"authors":[{"text":"Wood, James","contributorId":174400,"corporation":false,"usgs":false,"family":"Wood","given":"James","affiliations":[],"preferred":false,"id":648204,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pattillo, Meryom","contributorId":174401,"corporation":false,"usgs":false,"family":"Pattillo","given":"Meryom","email":"","affiliations":[],"preferred":false,"id":648205,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Freeman, Mary 0000-0001-7615-6923 mcfreeman@usgs.gov","orcid":"https://orcid.org/0000-0001-7615-6923","contributorId":3528,"corporation":false,"usgs":true,"family":"Freeman","given":"Mary","email":"mcfreeman@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":648102,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70176625,"text":"70176625 - 2016 - Submarine landslides in Arctic sedimentation: Canada Basin","interactions":[],"lastModifiedDate":"2017-06-29T11:56:00","indexId":"70176625","displayToPublicDate":"2016-09-06T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Submarine landslides in Arctic sedimentation: Canada Basin","docAbstract":"Canada Basin of the Arctic Ocean is the least studied ocean basin in the World. Marine seismic field \nprograms were conducted over the past 6 years using Canadian and American icebreakers. These expeditions \nacquired more than 14,000 line-km of multibeam bathymetric and multi-channel seismic reflection data \nover abyssal plain, continental rise and slope regions of Canada Basin; areas where little or no \nseismic reflection data existed previously. Canada Basin is a turbidite-filled basin with flat-lying \nreflections correlateable over 100s of km. For the upper half of the sedimentary succession, evidence \nof sedimentary processes other than turbidity current deposition is rare. The Canadian Archipelago \nand Beaufort Sea margins host stacked mass transport deposits from which many of these turbidites \nappear to derive. The stratigraphic succession of the MacKenzie River fan is dominated by mass \ntransport deposits; one such complex is in excess of 132,000 km2 in area and underlies much of \nthe southern abyssal plain. The modern seafloor is also scarred with escarpments and mass failure \ndeposits; evidence that submarine landsliding is an ongoing process. In its latest phase of \ndevelopment, Canada Basin is geomorphologically confined with stable oceanographic structure, \nresulting in restricted depositional/reworking processes. The sedimentary record, therefore, \nunderscores the significance of mass-transport processes in providing sediments to oceanic abyssal \nplains as few other basins are able to do.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Submarine mass movements and their consequences","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"Springer","publisherLocation":"Amsterdam, Netherlands","doi":"10.1007/978-94-007-2162-3_13","usgsCitation":"Mosher, D.C., Shimeld, J., Hutchinson, D.R., Lebedova-Ivanova, N., and Chapman, C., 2016, Submarine landslides in Arctic sedimentation: Canada Basin, chap. <i>of</i> Submarine mass movements and their consequences, v. 31, p. 147-157, https://doi.org/10.1007/978-94-007-2162-3_13.","productDescription":"11 p.","startPage":"147","endPage":"157","ipdsId":"IP-029492","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":329010,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"Alaska","otherGeospatial":"Canada Basin of the Arctic Ocean","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -132.451171875,\n              70.11048478105927\n            ],\n            [\n              -136.40625,\n              69.56522590149099\n            ],\n            [\n              -139.74609375,\n              69.80930869552193\n            ],\n            [\n              -151.083984375,\n              70.9883492241249\n            ],\n            [\n              -153.544921875,\n              73.84928645675248\n            ],\n            [\n              -155.390625,\n              76.28954161916205\n            ],\n            [\n              -150.46875,\n              77.44694030325893\n            ],\n            [\n              -146.95312499999997,\n              78.2960438968259\n            ],\n            [\n              -140.537109375,\n              78.59529919212493\n            ],\n            [\n              -131.8359375,\n              78.69910592550542\n            ],\n            [\n              -123.48632812499999,\n              78.260332194717\n            ],\n            [\n              -118.564453125,\n              77.78619050110466\n            ],\n            [\n              -124.365234375,\n              76.16399261609192\n            ],\n            [\n              -124.98046874999999,\n              74.68325030051861\n            ],\n            [\n              -125.68359374999999,\n              73.25204504887357\n            ],\n            [\n              -127.001953125,\n              71.38514208411495\n            ],\n            [\n              -127.61718749999999,\n              70.78690984117928\n            ],\n            [\n              -132.451171875,\n              70.11048478105927\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"31","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2011-09-15","publicationStatus":"PW","scienceBaseUri":"57f7c657e4b0bc0bec09c90b","contributors":{"authors":[{"text":"Mosher, David C.","contributorId":66118,"corporation":false,"usgs":false,"family":"Mosher","given":"David","email":"","middleInitial":"C.","affiliations":[{"id":18105,"text":"University of New Hampshire, Durham","active":true,"usgs":false}],"preferred":false,"id":649705,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shimeld, John","contributorId":146869,"corporation":false,"usgs":false,"family":"Shimeld","given":"John","affiliations":[],"preferred":false,"id":649706,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hutchinson, Deborah R. 0000-0002-2544-5466 dhutchinson@usgs.gov","orcid":"https://orcid.org/0000-0002-2544-5466","contributorId":521,"corporation":false,"usgs":true,"family":"Hutchinson","given":"Deborah","email":"dhutchinson@usgs.gov","middleInitial":"R.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":649707,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lebedova-Ivanova, N","contributorId":120457,"corporation":false,"usgs":true,"family":"Lebedova-Ivanova","given":"N","email":"","affiliations":[],"preferred":false,"id":649708,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Chapman, C.","contributorId":16951,"corporation":false,"usgs":true,"family":"Chapman","given":"C.","affiliations":[],"preferred":false,"id":649709,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70185050,"text":"70185050 - 2016 - Preservation of ancient impact ages on the R chondrite parent body: <sup>40</sup>Ar/<sup>39</sup>Ar age of hornblende-bearing R chondrite LAP 04840","interactions":[],"lastModifiedDate":"2017-03-13T16:26:45","indexId":"70185050","displayToPublicDate":"2016-09-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2715,"text":"Meteoritics and Planetary Science","active":true,"publicationSubtype":{"id":10}},"title":"Preservation of ancient impact ages on the R chondrite parent body: <sup>40</sup>Ar/<sup>39</sup>Ar age of hornblende-bearing R chondrite LAP 04840","docAbstract":"<p><span>The hornblende- and biotite-bearing R chondrite LAP 04840 is a rare kind of meteorite possibly containing outer solar system water stored during metamorphism or postshock annealing deep within an asteroid. Because little is known regarding its age and origin, we determined </span><sup>40</sup><span>Ar/</span><sup>39</sup><span>Ar ages on hornblende-rich separates of the meteorite, and obtained plateau ages of 4340(±40) to 4380(±30) Ma. These well-defined plateau ages, coupled with evidence for postshock annealing, indicate this meteorite records an ancient shock event and subsequent annealing. The age of 4340–4380&nbsp;Ma (or 4.34–4.38&nbsp;Ga) for this and other previously dated R chondrites is much older than most impact events recorded by ordinary chondrites and points to an ancient event or events that predated the late heavy bombardment that is recorded in so many meteorites and lunar samples.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/maps.12692","usgsCitation":"Righter, K., Cosca, M.A., and Morgan, L.E., 2016, Preservation of ancient impact ages on the R chondrite parent body: <sup>40</sup>Ar/<sup>39</sup>Ar age of hornblende-bearing R chondrite LAP 04840: Meteoritics and Planetary Science, v. 51, no. 9, p. 1678-1684, https://doi.org/10.1111/maps.12692.","productDescription":"7 p.","startPage":"1678","endPage":"1684","ipdsId":"IP-075441","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":470609,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/maps.12692","text":"Publisher Index Page"},{"id":337472,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"51","issue":"9","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58c7afa0e4b0849ce9795e9e","contributors":{"authors":[{"text":"Righter, Kevin","contributorId":189187,"corporation":false,"usgs":false,"family":"Righter","given":"Kevin","email":"","affiliations":[],"preferred":false,"id":684076,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cosca, Michael A. 0000-0002-0600-7663 mcosca@usgs.gov","orcid":"https://orcid.org/0000-0002-0600-7663","contributorId":1000,"corporation":false,"usgs":true,"family":"Cosca","given":"Michael","email":"mcosca@usgs.gov","middleInitial":"A.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":684075,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morgan, Leah E. 0000-0001-9930-524X lemorgan@usgs.gov","orcid":"https://orcid.org/0000-0001-9930-524X","contributorId":176174,"corporation":false,"usgs":true,"family":"Morgan","given":"Leah","email":"lemorgan@usgs.gov","middleInitial":"E.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":684077,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70170460,"text":"ds987 - 2016 - Groundwater-quality data in the Monterey–Salinas shallow aquifer study unit, 2013: Results from the California GAMA Program","interactions":[],"lastModifiedDate":"2017-01-18T09:45:02","indexId":"ds987","displayToPublicDate":"2016-09-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"987","title":"Groundwater-quality data in the Monterey–Salinas shallow aquifer study unit, 2013: Results from the California GAMA Program","docAbstract":"<p class=\"p1\">Groundwater quality in the 3,016-square-mile Monterey–Salinas Shallow Aquifer study unit was investigated by the U.S. Geological Survey (USGS) from October 2012 to May 2013 as part of the California State Water Resources Control Board Groundwater Ambient Monitoring and Assessment (GAMA) Program’s Priority Basin Project. The GAMA Monterey–Salinas Shallow Aquifer study was designed to provide a spatially unbiased assessment of untreated-groundwater quality in the shallow-aquifer systems in parts of Monterey and San Luis Obispo Counties and to facilitate statistically consistent comparisons of untreated-groundwater quality throughout California. The shallow-aquifer system in the Monterey–Salinas Shallow Aquifer study unit was defined as those parts of the aquifer system shallower than the perforated depth intervals of public-supply wells, which generally corresponds to the part of the aquifer system used by domestic wells. Groundwater quality in the shallow aquifers can differ from the quality in the deeper water-bearing zones; shallow groundwater can be more vulnerable to surficial contamination.</p><p class=\"p1\">Samples were collected from 170 sites that were selected by using a spatially distributed, randomized grid-based method. The study unit was divided into 4 study areas, each study area was divided into grid cells, and 1 well was sampled in each of the 100 grid cells (grid wells). The grid wells were domestic wells or wells with screen depths similar to those in nearby domestic wells. A greater spatial density of data was achieved in 2 of the study areas by dividing grid cells in those study areas into subcells, and in 70 subcells, samples were collected from exterior faucets at sites where there were domestic wells or wells with screen depths similar to those in nearby domestic wells (shallow-well tap sites).</p><p class=\"p1\">Field water-quality indicators (dissolved oxygen, water temperature, pH, and specific conductance) were measured, and samples for analysis of inorganic constituents (trace elements, nutrients, major and minor ions, silica, total dissolved solids, and alkalinity) were collected at all 170 sites. In addition to these constituents, the samples from grid wells were analyzed for organic constituents (volatile organic compounds, pesticides and pesticide degradates), constituents of special interest (perchlorate and <i>N</i>-nitrosodimethylamine, or NDMA), radioactive constituents (radon-222 and gross-alpha and gross-beta radioactivity), and geochemical and age-dating tracers (stable isotopes of carbon in dissolved inorganic carbon, carbon-14 abundances, stable isotopes of hydrogen and oxygen in water, and tritium activities).</p><p class=\"p2\">Three types of quality-control samples (blanks, replicates, and matrix spikes) were collected at up to 11 percent of the wells in the Monterey–Salinas Shallow Aquifer study unit, and the results for these samples were used to evaluate the quality of the data from the groundwater samples. With the exception of trace elements, blanks rarely contained detectable concentrations of any constituent, indicating that contamination from sample-collection procedures was not a significant source of bias in the data for the groundwater samples. Low concentrations of some trace elements were detected in blanks; therefore, the data were re-censored at higher reporting levels. Replicate samples generally were within the limits of acceptable analytical reproducibility. The median values of matrix-spike recoveries were within the acceptable range (70 to 130 percent) for the volatile organic compounds (VOCs) and <i>N</i>-nitrosodimethylamine (NDMA), but were only approximately 64 percent for pesticides and pesticide degradates.</p><p class=\"p2\">The sample-collection protocols used in this study were designed to obtain representative samples of groundwater. The quality of groundwater can differ from the quality of drinking water because water chemistry can change as a result of contact with plumbing systems or the atmosphere; because of treatment, disinfection, or blending with water from other sources; or some combination of these. Water quality in domestic wells is not regulated in California, however, to provide context for the water-quality data presented in this report, results were compared to benchmarks established for drinking-water quality. The primary comparison benchmarks were maximum contaminant levels established by the U.S. Environmental Protection Agency and the State of California (MCL-US and MCL-CA, respectively). Non-regulatory benchmarks were used for constituents without maximum contaminant levels (MCLs), including Health&nbsp;</p><p class=\"p1\">Based Screening Levels (HBSLs) developed by the USGS and State of California secondary maximum contaminant levels (SMCL-CA) and notification levels. Most constituents detected in samples from the Monterey–Salinas Shallow Aquifer study unit had concentrations less than their respective benchmarks.</p><p class=\"p1\">Of the 148 organic constituents analyzed in the 100 grid-well samples, 38 were detected, and all concentrations were less than the benchmarks. Volatile organic compounds were detected in 26 of the grid wells, and pesticides and pesticide degradates were detected in 28 grid wells. The special-interest constituent NDMA was detected above the HBSL in three samples, one of which also had a perchlorate concentration greater than the MCL-CA.</p><p class=\"p1\">Of the inorganic constituents, 6 were detected at concentrations above their respective MCL benchmarks in grid-well samples: arsenic (5 grid wells above the MCL of 10 micrograms per liter, μg/L), selenium (3 grid wells, MCL of 50 μg/L), uranium (4 grid wells, MCL of 30 μg/L), nitrate (16 grid wells, MCL of 10 milligrams per liter, mg/L), adjusted gross alpha particle activity (10 grid wells, MCL of 15 picocuries per liter, pCi/L), and gross beta particle activity (1 grid well, MCL of 50 pCi/L). An additional 4 inorganic constituents were detected at concentrations above their respective HBSL benchmarks in grid-well samples: boron (1 grid well above the HBSL of 6,000 μg/L), manganese (8 grid wells, HBSL of 300 μg/L), molybdenum (6 grid wells, HBSL of 40 μg/L), and strontium (6 grid wells, HBSL of 4,000 μg/L). Of the inorganic constituents, 4 were detected at concentrations above their non-health based SMCL benchmarks in grid-well samples: iron (9 grid wells above the SMCL of 300 μg/L), chloride (7 grid wells, SMCL of 500 mg/L), sulfate (14 grid wells, SMCL of 500 mg/L), and total dissolved solids (27 grid wells, SMCL of 1,000 mg/L).</p><p class=\"p1\">Of the inorganic constituents analyzed in the 70 shallow-well tap sites, 10 were detected at concentrations above the benchmarks. Of the inorganic constituents, 3 were detected at concentrations above their respective MCL benchmarks in shallow-well tap sites: arsenic (2 shallow-well tap sites above the MCL of 10 μg/L), uranium (2 shallow-well tap sites, MCL of 30 μg/L), and nitrate (24 shallow-well tap sites, MCL of 10 mg/L). An additional 3 inorganic constituents were detected above their respective HBSL benchmarks in shallow-well tap sites: manganese (4 shallow-well tap sites above the HBSL of 300 μg/L), molybdenum (4 shallow-well tap sites, HBSL of 40 μg/L), and zinc (2 shallow-well tap sites, HBSL of 2,000 μg/L). Of the inorganic constituents, 4 were detected at concentrations above their non-health based SMCL benchmarks in shallow-well tap sites: iron (6 shallow-well tap sites above the SMCL of 300 μg/L), chloride (1 shallow-well tap site, SMCL of 500 mg/L), sulfate (9 shallow-well tap sites, SMCL of 500 mg/L), and total dissolved solids (15 shallow-well tap sites, SMCL of 1,000 mg/L).</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds987","collaboration":"Prepared in cooperation with the California State Water Resources Control Board","usgsCitation":"Goldrath, D.A., Kulongoski, J.T., and Davis, T.A., 2015, Groundwater-quality data in the Monterey–Salinas shallow aquifer study unit, (ver. 1.1, January 2017): Results from the California GAMA Program: U.S. Geological Survey Data Series 987, 132 p., https://dx.doi.org/10.3133/ds987.","productDescription":"ix, 132 p. 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Results<br></li><li>Future Work<br></li><li>Summary<br></li><li>References Cited<br></li><li>Tables<br></li><li>Appendix A<br></li></ul>","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"publishedDate":"2016-09-01","revisedDate":"2017-01-17","noUsgsAuthors":false,"publicationDate":"2016-09-01","publicationStatus":"PW","scienceBaseUri":"57c94320e4b0f2f0cec13597","contributors":{"authors":[{"text":"Goldrath, Dara A.","contributorId":59896,"corporation":false,"usgs":true,"family":"Goldrath","given":"Dara A.","affiliations":[],"preferred":false,"id":627302,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kulongoski, Justin T. 0000-0002-3498-4154 kulongos@usgs.gov","orcid":"https://orcid.org/0000-0002-3498-4154","contributorId":156272,"corporation":false,"usgs":true,"family":"Kulongoski","given":"Justin","email":"kulongos@usgs.gov","middleInitial":"T.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":false,"id":627303,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Davis, Tracy A. 0000-0003-0253-6661","orcid":"https://orcid.org/0000-0003-0253-6661","contributorId":59339,"corporation":false,"usgs":true,"family":"Davis","given":"Tracy A.","affiliations":[],"preferred":false,"id":627304,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70192660,"text":"70192660 - 2016 - A global review of freshwater crayfish temperature tolerance, preference, and optimal growth","interactions":[],"lastModifiedDate":"2017-11-27T11:38:49","indexId":"70192660","displayToPublicDate":"2016-09-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3278,"text":"Reviews in Fish Biology and Fisheries","active":true,"publicationSubtype":{"id":10}},"title":"A global review of freshwater crayfish temperature tolerance, preference, and optimal growth","docAbstract":"<p><span>Conservation efforts, environmental planning, and management must account for ongoing ecosystem alteration due to a changing climate, introduced species, and shifting land use. This type of management can be facilitated by an understanding of the thermal ecology of aquatic organisms. However, information on thermal ecology for entire taxonomic groups is rarely compiled or summarized, and reviews of the science can facilitate its advancement. Crayfish are one of the most globally threatened taxa, and ongoing declines and extirpation could have serious consequences on aquatic ecosystem function due to their significant biomass and ecosystem roles. Our goal was to review the literature on thermal ecology for freshwater crayfish worldwide, with emphasis on studies that estimated temperature tolerance, temperature preference, or optimal growth. We also explored relationships between temperature metrics and species distributions. We located 56 studies containing information for at least one of those three metrics, which covered approximately 6&nbsp;% of extant crayfish species worldwide. Information on one or more metrics existed for all 3 genera of Astacidae, 4 of the 12 genera of Cambaridae, and 3 of the 15 genera of Parastacidae. Investigations employed numerous methodological approaches for estimating these parameters, which restricts comparisons among and within species. The only statistically significant relationship we observed between a temperature metric and species range was a negative linear relationship between absolute latitude and optimal growth temperature. We recommend expansion of studies examining the thermal ecology of freshwater crayfish and identify and discuss methodological approaches that can improve standardization and comparability among studies.</span></p>","language":"English","publisher":"Springer","doi":"10.1007/s11160-016-9430-5","usgsCitation":"Westhoff, J.T., and Rosenberger, A.E., 2016, A global review of freshwater crayfish temperature tolerance, preference, and optimal growth: Reviews in Fish Biology and Fisheries, v. 26, no. 3, p. 329-349, https://doi.org/10.1007/s11160-016-9430-5.","productDescription":"21 p.","startPage":"329","endPage":"349","ipdsId":"IP-069980","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":349354,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"26","issue":"3","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationDate":"2016-05-14","publicationStatus":"PW","scienceBaseUri":"5a60fcd5e4b06e28e9c24396","contributors":{"authors":[{"text":"Westhoff, Jacob T.","contributorId":58106,"corporation":false,"usgs":true,"family":"Westhoff","given":"Jacob","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":723539,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rosenberger, Amanda E. 0000-0002-5520-8349 arosenberger@usgs.gov","orcid":"https://orcid.org/0000-0002-5520-8349","contributorId":5581,"corporation":false,"usgs":true,"family":"Rosenberger","given":"Amanda","email":"arosenberger@usgs.gov","middleInitial":"E.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true},{"id":396,"text":"Missouri Water Science Center","active":true,"usgs":true}],"preferred":true,"id":716669,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70176122,"text":"70176122 - 2016 - Distribution of a climate-sensitive species at an interior range margin","interactions":[],"lastModifiedDate":"2016-08-29T10:03:12","indexId":"70176122","displayToPublicDate":"2016-08-29T11:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"Distribution of a climate-sensitive species at an interior range margin","docAbstract":"<p><span>Advances in understanding the factors that limit a species’ range, particularly in the context of climate change, have come disproportionately through investigations at range edges or margins. The margins of a species’ range might often correspond with anomalous microclimates that confer habitat suitability where the species would otherwise fail to persist. We addressed this hypothesis using data from an interior, climatic range margin of the American pika (</span><i>Ochotona princeps</i><span>), an indicator of relatively cool, mesic climates in rocky habitats of western North America. Pikas in Lava Beds National Monument, northeastern California, USA, occur at elevations much lower than predicted by latitude and longitude. We hypothesized that pika occurrence within Lava Beds would be associated primarily with features such as “ice caves” in which sub-surface ice persists outside the winter months. We used data loggers to monitor sub-surface temperatures at cave entrances and at non-cave sites, confirming that temperatures were cooler and more stable at cave entrances. We surveyed habitat characteristics and evidence of pika occupancy across a random sample of cave and non-cave sites over a 2-yr period. Pika detection probability was high (~0.97), and the combined occupancy of cave and non-cave sites varied across the 2&nbsp;yr from 27% to 69%. Contrary to our hypothesis, occupancy was not higher at cave sites. Vegetation metrics were the best predictors of site use by pikas, followed by an edge effect and elevation. The importance of vegetation as a predictor of pika distribution at this interior range margin is congruent with recent studies from other portions of the species’ range. However, we caution that vegetation composition depends on microclimate, which might be the proximal driver of pika distribution. The microclimates available in non-cave crevices accessible to small animals have not been characterized adequately for lava landscapes. We advocate innovation in the acquisition and use of microclimatic data for understanding the distributions of many taxa. Appropriately scaled microclimatic data are increasingly available but rarely used in studies of range dynamics.</span></p>","language":"English","publisher":"John Wiley & Sons","doi":"10.1002/ecs2.1379","usgsCitation":"Ray, C., Beever, E., and Rodhouse, T., 2016, Distribution of a climate-sensitive species at an interior range margin: Ecosphere, v. 7, no. 6, e01379; 22 p., https://doi.org/10.1002/ecs2.1379.","productDescription":"e01379; 22 p.","ipdsId":"IP-067004","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":470638,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ecs2.1379","text":"Publisher Index Page"},{"id":327980,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"6","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2016-06-29","publicationStatus":"PW","scienceBaseUri":"57c54e9ee4b0f2f0cebc9864","contributors":{"authors":[{"text":"Ray, Chris","contributorId":150148,"corporation":false,"usgs":false,"family":"Ray","given":"Chris","email":"","affiliations":[{"id":17921,"text":"Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado","active":true,"usgs":false}],"preferred":false,"id":647256,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Beever, Erik A. 0000-0002-9369-486X ebeever@usgs.gov","orcid":"https://orcid.org/0000-0002-9369-486X","contributorId":147685,"corporation":false,"usgs":true,"family":"Beever","given":"Erik A.","email":"ebeever@usgs.gov","affiliations":[{"id":5072,"text":"Office of Communication and Publishing","active":true,"usgs":true},{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":647255,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rodhouse, Thomas J.","contributorId":127378,"corporation":false,"usgs":false,"family":"Rodhouse","given":"Thomas J.","affiliations":[{"id":6924,"text":"National Park Service, Upper Columbia Basin Network","active":true,"usgs":false}],"preferred":false,"id":647257,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70175542,"text":"sir20165089 - 2016 - Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming","interactions":[{"subject":{"id":70173859,"text":"sir20165089A - 2016 - Overview with methods and procedures of the U.S. Geological Survey mineral-resource assessment of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming: Chapter A in <i>Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming</i>","indexId":"sir20165089A","publicationYear":"2016","noYear":false,"chapter":"A","title":"Overview with methods and procedures of the U.S. Geological Survey mineral-resource assessment of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming: Chapter A in <i>Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming</i>"},"predicate":"IS_PART_OF","object":{"id":70175542,"text":"sir20165089 - 2016 - Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming","indexId":"sir20165089","publicationYear":"2016","noYear":false,"title":"Mineral resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming"},"id":1},{"subject":{"id":70174053,"text":"sir20165089D - 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The assessment was done at the request of the Bureau of Land Management (BLM) to evaluate the mineral-resource potential of some 10 million acres of Federal and adjacent lands in Idaho, Montana, Nevada, Oregon, Utah, and Wyoming. The need for this assessment arose from the decision by the Secretary of the Interior to pursue the protection of large tracts of contiguous habitat for the greater sage-grouse (</span><i>Centrocercus urophasianus</i><span>) in the Western United States. One component of the Department of&nbsp;</span><span>the</span><span>&nbsp;</span><span>Interior plan to protect the habitat areas includes withdrawing selected lands from future exploration and development of mineral and energy resources, including copper, gold, silver, rare earth elements, and other commodities used in the U.S. economy. The assessment evaluates the potential for locatable minerals such as gold, copper, and lithium and describes the nature and occurrence of leaseable and salable minerals for seven Sagebrush Focal Areas and additional lands in Nevada (“Nevada additions”) delineated by BLM. Supporting data are available in a series of USGS data releases describing mineral occurrences (the USGS Mineral Deposit Database or “USMIN”), oil and gas production and well status, previous mineral-resource assessments that covered parts of the areas studied, and a compilation of mineral-use cases based on data provided by BLM, as well as results of the locatable mineral-resource assessment in a geographic information system. The present assessment of mineral-resource potential will contribute to a better understanding of the economic and environmental trade-offs that would result from closing&nbsp;</span><span>approximately</span><span>&nbsp;1</span><span>0 million acres of Federal lands to mineral entry.</span></p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20165089","collaboration":"Prepared in cooperation with the Bureau of Land Management","usgsCitation":"Day, W.C., Frost, T.P., Hammarstrom, J.M., and Zientek, M.L., eds., 2016, Mineral Resources of the Sagebrush Focal Areas of Idaho, Montana, Nevada, Oregon, Utah, and Wyoming: U.S. Geological Survey Scientific Investigations Report 2016–5089, https://dx.doi.org/10.3133/sir20165089.","productDescription":"5 Chapters; 7 Data Releases","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science 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 \"}}]}","contact":"<p><a href=\"http://minerals.usgs.gov/contacts/index.html\" target=\"_blank\">Contact Information</a>, Mineral Resources Program<br />U.S. Geological Survey<br />12201 Sunrise Valley Drive&nbsp;<br />913 National Center&nbsp;<br />Reston, VA 20192&nbsp;<br /><a href=\"http://minerals.usgs.gov/\" target=\"_blank\">http://minerals.usgs.gov/</a></p>","publishedDate":"2016-08-19","noUsgsAuthors":false,"publicationDate":"2016-08-19","publicationStatus":"PW","scienceBaseUri":"57b81f9de4b03fd6b7d989a8","contributors":{"editors":[{"text":"Day, Warren C. 0000-0002-9278-2120 wday@usgs.gov","orcid":"https://orcid.org/0000-0002-9278-2120","contributorId":1308,"corporation":false,"usgs":true,"family":"Day","given":"Warren","email":"wday@usgs.gov","middleInitial":"C.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true}],"preferred":true,"id":646008,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Frost, Thomas P. 0000-0001-8348-8432 tfrost@usgs.gov","orcid":"https://orcid.org/0000-0001-8348-8432","contributorId":203,"corporation":false,"usgs":true,"family":"Frost","given":"Thomas","email":"tfrost@usgs.gov","middleInitial":"P.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":646009,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Hammarstrom, Jane M. 0000-0003-2742-3460 jhammars@usgs.gov","orcid":"https://orcid.org/0000-0003-2742-3460","contributorId":1226,"corporation":false,"usgs":true,"family":"Hammarstrom","given":"Jane","email":"jhammars@usgs.gov","middleInitial":"M.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":646010,"contributorType":{"id":2,"text":"Editors"},"rank":3},{"text":"Zientek, Michael L. 0000-0002-8522-9626 mzientek@usgs.gov","orcid":"https://orcid.org/0000-0002-8522-9626","contributorId":2420,"corporation":false,"usgs":true,"family":"Zientek","given":"Michael","email":"mzientek@usgs.gov","middleInitial":"L.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":646011,"contributorType":{"id":2,"text":"Editors"},"rank":4}]}}
,{"id":70164332,"text":"70164332 - 2016 - A long-term evaluation of biopsy darts and DNA to estimate cougar density","interactions":[],"lastModifiedDate":"2016-12-13T16:44:03","indexId":"70164332","displayToPublicDate":"2016-08-12T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3779,"text":"Wildlife Society Bulletin","onlineIssn":"1938-5463","printIssn":"0091-7648","active":true,"publicationSubtype":{"id":10}},"title":"A long-term evaluation of biopsy darts and DNA to estimate cougar density","docAbstract":"<p>Accurately estimating cougar (<i>Puma concolor</i>) density is usually based on long-term research consisting of intensive capture and Global Positioning System collaring efforts and may cost hundreds of thousands of dollars annually. Because wildlife agency budgets rarely accommodate this approach, most infer cougar density from published literature, rely on short-term studies, or use hunter harvest data as a surrogate in their jurisdictions; all of which may limit accuracy and increase risk of management actions. In an effort to develop a more cost-effective long-term strategy, we evaluated a research approach using citizen scientists with trained hounds to tree cougars and collect tissue samples with biopsy darts. We then used the DNA to individually identify cougars and employed spatially explicit capture–recapture models to estimate cougar densities. Overall, 240 tissue samples were collected in northeastern Washington, USA, producing 166 genotypes (including recaptures and excluding dependent kittens) of 133 different cougars (8-25/yr) from 2003 to 2011. Mark–recapture analyses revealed a mean density of 2.2 cougars/100 km<sup>2</sup> (95% CI=1.1-4.3) and stable to decreasing population trends (β=-0.048, 95% CI=-0.106–0.011) over the 9 years of study, with an average annual harvest rate of 14% (range=7-21%). The average annual cost per year for field sampling and genotyping was US$11,265 ($422.24/sample or $610.73/successfully genotyped sample). Our results demonstrated that long-term biopsy sampling using citizen scientists can increase capture success and provide reliable cougar-density information at a reasonable cost.</p>","language":"English","publisher":"Wiley","doi":"10.1002/wsb.675","usgsCitation":"Beausoleil, R.A., Clark, J.D., and Maletzke, B.T., 2016, A long-term evaluation of biopsy darts and DNA to estimate cougar density: Wildlife Society Bulletin, v. 40, no. 3, p. 583-592, https://doi.org/10.1002/wsb.675.","productDescription":"10 p.","startPage":"583","endPage":"592","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-072668","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":500041,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doaj.org/article/82b8f68faa4c4491bb97e6ba69823c2e","text":"External 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A.","contributorId":156253,"corporation":false,"usgs":false,"family":"Beausoleil","given":"Richard","email":"","middleInitial":"A.","affiliations":[{"id":12438,"text":"Washington Department of Fish and Wildlife","active":true,"usgs":false}],"preferred":false,"id":597058,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clark, Joseph D. 0000-0002-8547-8112 jclark1@usgs.gov","orcid":"https://orcid.org/0000-0002-8547-8112","contributorId":2265,"corporation":false,"usgs":true,"family":"Clark","given":"Joseph","email":"jclark1@usgs.gov","middleInitial":"D.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true},{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":597057,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Maletzke, Benjamin 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,{"id":70175454,"text":"70175454 - 2016 - Book review: Black bass diversity: Multidisciplinary science for conservation","interactions":[],"lastModifiedDate":"2016-08-11T15:52:41","indexId":"70175454","displayToPublicDate":"2016-08-11T16:45:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3214,"text":"The Quarterly Review of Biology","active":true,"publicationSubtype":{"id":10}},"title":"Book review: Black bass diversity: Multidisciplinary science for conservation","docAbstract":"<p>These proceedings are from the third symposium dedicated to management and conservation of black basses in the genus <i>Micropterus</i>. The first symposium was held in 1975 (R. H. Stroud and H. Clepper. <i>Black Bass Biology and Management</i>. Washington (DC): Sport Fishing Institute) followed 25 years later by Black Bass 2000 (D. P. Philipp and M. S. Ridgway. 2002. <i>Black Bass: Ecology, Conservation, and Management</i>. Bethesda (MD): American Fisheries Society). Although the previous books discussed conservation of genetic variation and distinct strains of basses, the bulk of the papers in those tomes emphasized management of largemouth and smallmouth bass. In contrast, this third symposium is focused on the rarer bass species and challenges for their successful management.</p>\n<p><span>Review info:&nbsp;<i>Black bass diversity: Multidisciplinary science for conservation</i></span><i>.</i><span>&nbsp;Edited by Michael D. Tringali, James M. Long, Timothy W. Birdsong, and Michael S. Allen, 2015. ISBN: 978-1-934874-40-0, 685 pp.</span></p>","language":"English","publisher":"The University of Chicago Press","publisherLocation":"Chicago, IL","doi":"10.1086/688151","usgsCitation":"Jelks, H.L., 2016, Book review: Black bass diversity: Multidisciplinary science for conservation: The Quarterly Review of Biology, v. 91, no. 3, https://doi.org/10.1086/688151.","startPage":"376","numberOfPages":"1","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-076786","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":326417,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"91","issue":"3","publishingServiceCenter":{"id":5,"text":"Lafayette PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57ad93a0e4b0d183567650ee","contributors":{"authors":[{"text":"Jelks, Howard L. 0000-0002-0672-6297 hjelks@usgs.gov","orcid":"https://orcid.org/0000-0002-0672-6297","contributorId":168997,"corporation":false,"usgs":true,"family":"Jelks","given":"Howard","email":"hjelks@usgs.gov","middleInitial":"L.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":645299,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70171543,"text":"pp1828 - 2016 - Insular ecosystems of the southeastern United States—A regional synthesis to support biodiversity conservation in a changing climate","interactions":[],"lastModifiedDate":"2016-09-12T17:00:38","indexId":"pp1828","displayToPublicDate":"2016-08-11T10:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1828","title":"Insular ecosystems of the southeastern United States—A regional synthesis to support biodiversity conservation in a changing climate","docAbstract":"<p>In the southeastern United States, insular ecosystems&mdash;such as rock outcrops, depression wetlands, high-elevation balds, flood-scoured riparian corridors, and insular prairies and barrens&mdash;occupy a small fraction of land area but constitute an important source of regional and global biodiversity, including concentrations of rare and endemic plant taxa. Maintenance of this biodiversity depends upon regimes of abiotic stress and disturbance, incorporating factors such as soil surface temperature, widely fluctuating hydrologic conditions, fires, flood scouring, and episodic droughts that may be subject to alteration by climate change. Over several decades, numerous localized, site-level investigations have yielded important information about the floristics, physical environments, and ecological dynamics of these insular ecosystems; however, the literature from these investigations has generally remained fragmented. This report consists of literature syntheses for eight categories of insular ecosystems of the southeastern United States, concerning (1) physical geography, (2) ecological determinants of community structures including vegetation dynamics and regimes of abiotic stress and disturbance, (3) contributions to regional and global biodiversity, (4) historical and current anthropogenic threats and conservation approaches, and (5) key knowledge gaps relevant to conservation, particularly in terms of climate-change effects on biodiversity. This regional synthesis was undertaken to discern patterns across ecosystems, identify knowledge gaps, and lay the groundwork for future analyses of climate-change vulnerability. Findings from this synthesis indicate that, despite their importance to regional and global biodiversity, insular ecosystems of the southeastern United States have been subjected to a variety of direct and indirect human alterations. In many cases, important questions remain concerning key determinants of ecosystem function. In particular, few empirical investigations in these ecosystems have focused on possible climate-change effects, despite the well-documented ecological effects of climate change at a global level. Long-term management of these ecosystems could benefit from increased scientific effort to characterize and quantify the linkages between changing environmental conditions and the ecological processes that sustain biodiversity.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/pp1828","usgsCitation":"Cartwright, J.M., and Wolfe, W.J., 2016, Insular ecosystems of the southeastern United States—A regional synthesis to support biodiversity conservation in a changing climate: U.S. Geological Survey Professional Paper 1828, 162 p., https://dx.doi.org/10.3133/pp1828.","productDescription":"viii, 162 p.","onlineOnly":"N","additionalOnlineFiles":"Y","ipdsId":"IP-055844","costCenters":[{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"links":[{"id":326108,"rank":3,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/publication/fs20163052","text":"Fact Sheet 2016-3052 -","description":"PP 1828","linkHelpText":"Ecosystem Vulnerability to Climate Change in the Southeastern United States"},{"id":326109,"rank":4,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/publication/ofr20161073","text":"Open-File Report 2016-1073 -","description":"PP 1828","linkHelpText":"Assessing Climate-Sensitive Ecosystems in the Southeastern United States"},{"id":326106,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1828/coverthb.jpg"},{"id":326107,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1828/pp1828.pdf","text":"Report","size":"14.1 MB","linkFileType":{"id":1,"text":"pdf"},"description":"PP 1828"}],"country":"United States","state":"Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Missouri, Mississippi, North Carolina, Oklahoma, Puerto Rico, Tennessee, Texas, Virginia, South Carolina, West 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a\",\"nation\":\"USA  \"}}]}","contact":"<p>Director, Lower Mississippi-Gulf Water Science Center<br /> U.S. Geological Survey<br /> 640 Grassmere Park, Suite 100<br /> Nashville, TN 37211<br /> <a href=\"http://tn.water.usgs.gov/\">http://tn.water.usgs.gov/</a></p>","tableOfContents":"<ul>\n<li>Acknowledgments&nbsp;</li>\n<li>Abstract</li>\n<li>Chapter A. Introduction</li>\n<li>Chapter B. Granite Outcrops of the Piedmont&nbsp;</li>\n<li>Chapter C. Limestone Cedar Glades</li>\n<li>Chapter D. Xeric Limestone Prairies</li>\n<li>Chapter E. Mid-Appalachian Shale Barrens</li>\n<li>Chapter F. High-Elevation Outcrops and Balds of the Southern Appalachians&nbsp;</li>\n<li>Chapter G. Carolina Bays&nbsp;</li>\n<li>Chapter H. Karst-Depression Wetlands</li>\n<li>Chapter I. Riverscour Ecosystems&nbsp;</li>\n<li>Chapter J. Conclusions and Implications</li>\n<li>Glossary&nbsp;</li>\n<li>Appendix 1. Ecological System Names According to the International Terrestrial Ecological Systems Classification</li>\n<li>Appendix 2. Component Associations According to the International Terrestrial Ecological Systems Classification</li>\n<li>Appendix 3. Selected Plant Taxa of Conservation Concern in Insular Ecosystems of the Southeastern United States</li>\n<li>References Cited in Appendixes</li>\n</ul>","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"publishedDate":"2016-08-11","noUsgsAuthors":false,"publicationDate":"2016-08-11","publicationStatus":"PW","scienceBaseUri":"57ad93a1e4b0d183567650f9","contributors":{"authors":[{"text":"Cartwright, Jennifer M. 0000-0003-0851-8456 jmcart@usgs.gov","orcid":"https://orcid.org/0000-0003-0851-8456","contributorId":5386,"corporation":false,"usgs":true,"family":"Cartwright","given":"Jennifer","email":"jmcart@usgs.gov","middleInitial":"M.","affiliations":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true},{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"preferred":true,"id":631722,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wolfe, William J. 0000-0002-3292-051X wjwolfe@usgs.gov","orcid":"https://orcid.org/0000-0002-3292-051X","contributorId":140060,"corporation":false,"usgs":true,"family":"Wolfe","given":"William","email":"wjwolfe@usgs.gov","middleInitial":"J.","affiliations":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true}],"preferred":false,"id":631723,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70175391,"text":"70175391 - 2016 - Historical dominance of low-severity fire in dry and wet mixed-conifer forest habitats of the endangered terrestrial Jemez Mountains salamander (<i>Plethodon neomexicanus</i>)","interactions":[],"lastModifiedDate":"2016-08-08T16:15:04","indexId":"70175391","displayToPublicDate":"2016-08-08T17:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1687,"text":"Forest Ecology and Management","active":true,"publicationSubtype":{"id":10}},"title":"Historical dominance of low-severity fire in dry and wet mixed-conifer forest habitats of the endangered terrestrial Jemez Mountains salamander (<i>Plethodon neomexicanus</i>)","docAbstract":"<p>Anthropogenic alteration of ecosystem processes confounds forest management and conservation of rare, declining species. Restoration of forest structure and fire hazard reduction are central goals of forest management policy in the western United States, but restoration priorities and treatments have become increasingly contentious. Numerous studies have documented changes in fire regimes, forest stand structure and species composition following a century of fire exclusion in dry, frequent-fire forests of the western U.S. (e.g., ponderosa pine and dry mixed-conifer). In contrast, wet mixed-conifer forests are thought to have historically burned infrequently with mixed- or high-severity fire&mdash;resulting in reduced impacts from fire exclusion and low restoration need&mdash;but data are limited. In this study we quantified the current forest habitat of the federally endangered, terrestrial Jemez Mountains salamander (Plethodon neomexicanus) and compared it to dendroecological reconstructions of historical habitat (e.g., stand structure and composition), and fire regime parameters along a gradient from upper ponderosa pine to wet mixed-conifer forests. We found that current fire-free intervals in Jemez Mountains salamander habitat (116&ndash;165 years) are significantly longer than historical intervals, even in wet mixed-conifer forests. Historical mean fire intervals ranged from 10 to 42 years along the forest gradient. Low-severity fires were historically dominant across all forest types (92 of 102 fires). Although some mixed- or highseverity fire historically occurred at 67% of the plots over the last four centuries, complete mortality within 1.0 ha plots was rare, and asynchronous within and among sites. Climate was an important driver of temporal variability in fire severity, such that mixed- and high-severity fires were associated with more extreme drought than low-severity fires. Tree density in dry conifer forests historically ranged from open (90 trees/ha) to moderately dense (400 trees/ha), but has doubled on average since fire exclusion. Infill of fire-sensitive tree species has contributed to the conversion of historically dry mixedconifer to wet mixed-conifer forest. We conclude that low-severity fire, which has been absent for over a century, was a critical ecosystem process across the forest gradient in Jemez Mountains salamander habitat, and thus is an important element of ecosystem restoration, resilience, and rare species recovery.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.foreco.2016.05.011","usgsCitation":"Margolis, E.Q., and Malevich, S.B., 2016, Historical dominance of low-severity fire in dry and wet mixed-conifer forest habitats of the endangered terrestrial Jemez Mountains salamander (<i>Plethodon neomexicanus</i>): Forest Ecology and Management, v. 375, p. 12-26, https://doi.org/10.1016/j.foreco.2016.05.011.","productDescription":"15 p.","startPage":"12","endPage":"26","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071390","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":326279,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"375","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57a99f25e4b05e859bdf4857","contributors":{"authors":[{"text":"Margolis, Ellis Q. 0000-0002-0595-9005 emargolis@usgs.gov","orcid":"https://orcid.org/0000-0002-0595-9005","contributorId":173538,"corporation":false,"usgs":true,"family":"Margolis","given":"Ellis","email":"emargolis@usgs.gov","middleInitial":"Q.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":645029,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Malevich, Steven B.","contributorId":173544,"corporation":false,"usgs":false,"family":"Malevich","given":"Steven","email":"","middleInitial":"B.","affiliations":[{"id":6624,"text":"University of Arizona, Laboratory of Tree-Ring Research","active":true,"usgs":false}],"preferred":false,"id":645030,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70175371,"text":"70175371 - 2016 - Dispersal limitation does not control high elevational distribution of alien plant species in the southern Sierra Nevada, California","interactions":[],"lastModifiedDate":"2016-08-08T11:09:46","indexId":"70175371","displayToPublicDate":"2016-08-08T12:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2821,"text":"Natural Areas Journal","active":true,"publicationSubtype":{"id":10}},"title":"Dispersal limitation does not control high elevational distribution of alien plant species in the southern Sierra Nevada, California","docAbstract":"<p><span>Patterns of elevational distribution of alien plant species in the southern Sierra Nevada of California were used to test the hypothesis that alien plant species invading high elevations around the world are typically climate generalists capable of growing across a wide elevational range. The Sierra Nevada has been heavily impacted for more than a century and a half, first by heavy grazing up into high elevation meadows, followed by major logging, and finally, by impacts associated with recreational use. The comparative elevational patterns of distribution and growth form were compared for native and alien plant species in the four families (Asteraceae, Brassicaceae, Fabaceae, and Poaceae) that contribute the majority of naturalized aliens in the study area. The distribution of realized climatic niche breadth, as measured by elevational range of occurrence, was virtually identical for alien and native species, with both groups showing a roughly Gaussian distribution peaking with species whose range covers a span of 1500&ndash;1999 m. In contrast to alien species, which only rarely occurred at higher elevations, native species showed a distribution of upper elevation limits peaking at 3000&ndash;3499 m, an elevation that corresponds to the zone of upper montane and subalpine forests. Consistent with a hypothesis of abiotic limitations, only a few alien species have been ecologically successful invaders at subalpine and alpine elevations above 2500 m. The low diversity of aliens able to become established in these habitats is unlikely due to dispersal limitations, given the long history of heavy grazing pressure at high elevations across this region. Instead, this low diversity is hypothesized to be a function of life history traits and multiple abiotic stresses that include extremes of cold air and soil temperature, heavy snowfall, short growing seasons, and low resource availability. These findings have significant implications for resource managers.</span></p>","language":"English","publisher":"Natural Areas Association","doi":"10.3375/043.036.0308","usgsCitation":"Rundel, P.W., and Keeley, J.E., 2016, Dispersal limitation does not control high elevational distribution of alien plant species in the southern Sierra Nevada, California: Natural Areas Journal, v. 36, no. 3, p. 277-287, https://doi.org/10.3375/043.036.0308.","productDescription":"11 p.","startPage":"277","endPage":"287","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-051437","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":470676,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://www.bioone.org/doi/10.3375/043.036.0308","text":"External Repository"},{"id":326215,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Sierra Nevada","volume":"36","issue":"3","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57a99f25e4b05e859bdf4853","contributors":{"authors":[{"text":"Rundel, Philip W.","contributorId":107552,"corporation":false,"usgs":true,"family":"Rundel","given":"Philip","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":644954,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keeley, Jon E. 0000-0002-4564-6521 jon_keeley@usgs.gov","orcid":"https://orcid.org/0000-0002-4564-6521","contributorId":1268,"corporation":false,"usgs":true,"family":"Keeley","given":"Jon","email":"jon_keeley@usgs.gov","middleInitial":"E.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":644953,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70207061,"text":"70207061 - 2016 - To manage inland fisheries is to manage at the social-ecological watershed scale","interactions":[],"lastModifiedDate":"2019-12-04T16:09:25","indexId":"70207061","displayToPublicDate":"2016-08-05T16:01:35","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2258,"text":"Journal of Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"To manage inland fisheries is to manage at the social-ecological watershed scale","docAbstract":"<p><span>Approaches to managing inland&nbsp;fisheries&nbsp;vary between systems and regions but are often based on large-scale&nbsp;marine fisheries&nbsp;principles and thus limited and outdated. Rarely do they adopt&nbsp;holistic approaches&nbsp;that consider the complex&nbsp;</span>interplay<span>&nbsp;among humans, fish, and the environment. We argue that there is an urgent need for a shift in&nbsp;inland fisheries&nbsp;management towards holistic and transdisciplinary approaches that embrace the principles of&nbsp;social-ecological systems&nbsp;at the watershed scale. The interconnectedness of inland fisheries with their associated watershed (biotic, abiotic, and humans) make them extremely complex and challenging to manage and protect. For this reason, the watershed is a logical management unit. To assist management at this scale, we propose a framework that integrates disparate concepts and management paradigms to facilitate inland fisheries management and sustainability. We contend that inland fisheries need to be managed as social-ecological watershed system (SEWS). The framework supports watershed-scale and transboundary governance to manage inland fisheries, and transdisciplinary projects and teams to ensure relevant and applicable monitoring and research. We discuss concepts of social-ecological feedback and interactions of multiple stressors and factors within/between the social-ecological systems. Moreover, we emphasize that management, monitoring, and research on inland fisheries at the watershed scale are needed to ensure long-term sustainable and resilient fisheries.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jenvman.2016.06.045","usgsCitation":"Nguyen, V.T., Lynch, A., Young, N., Cowx, I.G., Beard, T., Taylor, W., and Cooke, S., 2016, To manage inland fisheries is to manage at the social-ecological watershed scale: Journal of Environmental Management, v. 181, p. 312-325, https://doi.org/10.1016/j.jenvman.2016.06.045.","productDescription":"14 p.","startPage":"312","endPage":"325","ipdsId":"IP-068004","costCenters":[{"id":36940,"text":"National Climate Adaptation Science Center","active":true,"usgs":true}],"links":[{"id":369925,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"181","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Nguyen, Vivian T. vnguyen@usgs.gov","contributorId":5490,"corporation":false,"usgs":true,"family":"Nguyen","given":"Vivian","email":"vnguyen@usgs.gov","middleInitial":"T.","affiliations":[],"preferred":true,"id":776689,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lynch, Abigail 0000-0001-8449-8392 ajlynch@usgs.gov","orcid":"https://orcid.org/0000-0001-8449-8392","contributorId":169460,"corporation":false,"usgs":true,"family":"Lynch","given":"Abigail","email":"ajlynch@usgs.gov","affiliations":[{"id":411,"text":"National Climate Change and Wildlife Science Center","active":true,"usgs":true}],"preferred":true,"id":776690,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Young, Nathan","contributorId":215062,"corporation":false,"usgs":false,"family":"Young","given":"Nathan","affiliations":[{"id":39169,"text":"University of Ottawa","active":true,"usgs":false}],"preferred":false,"id":776691,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cowx, Ian G.","contributorId":37228,"corporation":false,"usgs":false,"family":"Cowx","given":"Ian","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":776692,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Beard, T. Douglas Jr. 0000-0003-2632-2350 dbeard@usgs.gov","orcid":"https://orcid.org/0000-0003-2632-2350","contributorId":3314,"corporation":false,"usgs":true,"family":"Beard","given":"T. Douglas","suffix":"Jr.","email":"dbeard@usgs.gov","affiliations":[{"id":411,"text":"National Climate Change and Wildlife Science Center","active":true,"usgs":true}],"preferred":false,"id":776693,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Taylor, William W.","contributorId":49735,"corporation":false,"usgs":false,"family":"Taylor","given":"William W.","affiliations":[],"preferred":false,"id":776694,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Cooke, Steven J.","contributorId":56132,"corporation":false,"usgs":false,"family":"Cooke","given":"Steven J.","affiliations":[{"id":36574,"text":"Carleton University, Ottawa, Ontario","active":true,"usgs":false}],"preferred":false,"id":776695,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70175401,"text":"70175401 - 2016 - Early life history and spatiotemporal changes in distribution of the rediscovered Suwannee moccasinshell <i>Medionidus walkeri</i> (Bivalvia: Unionidae)","interactions":[],"lastModifiedDate":"2017-10-12T10:19:56","indexId":"70175401","displayToPublicDate":"2016-08-05T11:45:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1497,"text":"Endangered Species Research","active":true,"publicationSubtype":{"id":10}},"title":"Early life history and spatiotemporal changes in distribution of the rediscovered Suwannee moccasinshell <i>Medionidus walkeri</i> (Bivalvia: Unionidae)","docAbstract":"<p><span>Accurate distribution data are critical to the development of conservation and management strategies for imperiled species, particularly for narrow endemics with life history traits that make them vulnerable to extinction.&nbsp;</span><i>Medionidus walkeri</i><span>&nbsp;is a rare freshwater mussel endemic to the Suwannee River Basin in southeastern North America. This species was rediscovered in 2012 after a 16-year hiatus between collections and is currently proposed for listing under the Endangered Species Act. Our study fills knowledge gaps regarding changes in distribution and early life history requirements of&nbsp;</span><i>M</i><span>.&nbsp;</span><i>walkeri</i><span>. Spatiotemporal changes in&nbsp;</span><i>M. walkeri</i><span>&nbsp;distribution were displayed using a conservation status assessment map incorporating metadata from 98 historical (1916–1999) and 401 recent (2000–2015) site surveys from museums and field notes representing records for 312 specimens. Recent surveys detected&nbsp;</span><i>M</i><span>.&nbsp;</span><i>walkeri</i><span>&nbsp;only in the middle Suwannee subbasin (n = 86, 22 locations) and lower Santa Fe subbasin (n = 2, 2 locations), and it appears the species may be extirpated from 67% of historically occupied 10-digit HUCs. In our laboratory experiments,&nbsp;</span><i>M</i><span>.&nbsp;</span><i>walkeri</i><span>&nbsp;successfully metamorphosed on&nbsp;</span><i>Percina nigrofasciata</i><span>&nbsp;(56.2% ± 8.9) and&nbsp;</span><i>Etheostoma edwini</i><span>&nbsp;(16.1% ± 7.9) but not on&nbsp;</span><i>Trinectes maculatus</i><span>,&nbsp;</span><i>Lepomis marginatus</i><span>,&nbsp;</span><i>Notropis texanus</i><span>,&nbsp;</span><i>Noturus leptacanthus</i><span>,&nbsp;</span><i>Etheostoma fusiforme</i><span>, or&nbsp;</span><i>Gambusia holbrooki</i><span>. We characterize&nbsp;</span><i>M</i><span>.&nbsp;</span><i>walkeri</i><span>&nbsp;as a lure-displaying host fish specialist and a long-term brooder (bradytictic), gravid from fall to early summer of the following year. The early life history and distribution data presented here provide the baseline framework for listing decisions and future efforts to conserve and recover the species.</span></p>","language":"English","publisher":"Inter-Research","doi":"10.3354/esr00752","usgsCitation":"Johnson, N.A., Mcleod, J., Holcomb, J., Rowe, M.T., and Williams, J.D., 2016, Early life history and spatiotemporal changes in distribution of the rediscovered Suwannee moccasinshell <i>Medionidus walkeri</i> (Bivalvia: Unionidae): Endangered Species Research, v. 31, p. 163-175, https://doi.org/10.3354/esr00752.","productDescription":"13 p.","startPage":"163","endPage":"175","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-074053","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":470679,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3354/esr00752","text":"Publisher Index Page"},{"id":326300,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"31","publishingServiceCenter":{"id":5,"text":"Lafayette PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57aaff09e4b05e859be0f1f6","contributors":{"authors":[{"text":"Johnson, Nathan A. 0000-0001-5167-1988 najohnson@usgs.gov","orcid":"https://orcid.org/0000-0001-5167-1988","contributorId":4175,"corporation":false,"usgs":true,"family":"Johnson","given":"Nathan","email":"najohnson@usgs.gov","middleInitial":"A.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true},{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":645067,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mcleod, John 0000-0001-7962-7989 jmmcleod@usgs.gov","orcid":"https://orcid.org/0000-0001-7962-7989","contributorId":173552,"corporation":false,"usgs":true,"family":"Mcleod","given":"John","email":"jmmcleod@usgs.gov","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":645068,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Holcomb, Jordan","contributorId":173553,"corporation":false,"usgs":false,"family":"Holcomb","given":"Jordan","affiliations":[{"id":12556,"text":"Florida Fish and Wildlife Conservation Commission","active":true,"usgs":false}],"preferred":false,"id":645069,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rowe, Matthew T.","contributorId":150928,"corporation":false,"usgs":false,"family":"Rowe","given":"Matthew","email":"","middleInitial":"T.","affiliations":[{"id":13588,"text":"Central Michigan University","active":true,"usgs":false}],"preferred":false,"id":645070,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Williams, James D.","contributorId":17690,"corporation":false,"usgs":false,"family":"Williams","given":"James","email":"","middleInitial":"D.","affiliations":[{"id":12556,"text":"Florida Fish and Wildlife Conservation Commission","active":true,"usgs":false}],"preferred":false,"id":645071,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70175476,"text":"70175476 - 2016 - Reconstructions of Columbia River streamflow from tree-ring chronologies in the Pacific Northwest, USA","interactions":[],"lastModifiedDate":"2018-04-24T13:42:14","indexId":"70175476","displayToPublicDate":"2016-08-04T14:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2126,"text":"JAWRA","active":true,"publicationSubtype":{"id":10}},"title":"Reconstructions of Columbia River streamflow from tree-ring chronologies in the Pacific Northwest, USA","docAbstract":"<p>We developed Columbia River streamflow reconstructions using a network of existing, new, and updated tree-ring records sensitive to the main climatic factors governing discharge. Reconstruction quality is enhanced by incorporating tree-ring chronologies where high snowpack limits growth, which better represent the contribution of cool-season precipitation to flow than chronologies from trees positively sensitive to hydroclimate alone. The best performing reconstruction (back to 1609 CE) explains 59% of the historical variability and the longest reconstruction (back to 1502 CE) explains 52% of the variability. Droughts similar to the high-intensity, long-duration low flows observed during the 1920s and 1940s are rare, but occurred in the early 1500s and 1630s-1640s. The lowest Columbia flow events appear to be reflected in chronologies both positively and negatively related to streamflow, implying low snowpack and possibly low warm-season precipitation. High flows of magnitudes observed in the instrumental record appear to have been relatively common, and high flows from the 1680s to 1740s exceeded the magnitude and duration of observed wet periods in the late-19th and 20th Century. Comparisons between the Columbia River reconstructions and future projections of streamflow derived from global climate and hydrologic models show the potential for increased hydrologic variability, which could present challenges for managing water in the face of competing demands</p>","language":"English","publisher":"Wiley","doi":"10.1111/1752-1688.12442","usgsCitation":"Littell, J.S., Pederson, G.T., Gray, S., Tjoelker, M., Hamlet, A.F., and Woodhouse, C.A., 2016, Reconstructions of Columbia River streamflow from tree-ring chronologies in the Pacific Northwest, USA: JAWRA, v. 52, no. 5, p. 1121-1141, https://doi.org/10.1111/1752-1688.12442.","productDescription":"21 p.","startPage":"1121","endPage":"1141","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-063792","costCenters":[{"id":411,"text":"National Climate Change and Wildlife Science Center","active":true,"usgs":true},{"id":36940,"text":"National Climate Adaptation Science Center","active":true,"usgs":true}],"links":[{"id":470681,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1111/1752-1688.12442","text":"External Repository"},{"id":326463,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","otherGeospatial":"Pacific Northwest","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -120.25634765624999,\n              53.370220573956786\n            ],\n            [\n              -120.43212890625,\n              51.6180165487737\n            ],\n            [\n              -120.87158203125,\n              49.35375571830993\n            ],\n            [\n              -122.08007812499999,\n              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Center","active":true,"usgs":true},{"id":411,"text":"National Climate Change and Wildlife Science Center","active":true,"usgs":true}],"preferred":true,"id":645378,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pederson, Gregory T. 0000-0002-6014-1425 gpederson@usgs.gov","orcid":"https://orcid.org/0000-0002-6014-1425","contributorId":3106,"corporation":false,"usgs":true,"family":"Pederson","given":"Gregory","email":"gpederson@usgs.gov","middleInitial":"T.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":645379,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gray, Stephen T. sgray@usgs.gov","contributorId":221,"corporation":false,"usgs":true,"family":"Gray","given":"Stephen T.","email":"sgray@usgs.gov","affiliations":[{"id":107,"text":"Alaska Climate Science Center","active":true,"usgs":true}],"preferred":true,"id":645380,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tjoelker, Michael","contributorId":173658,"corporation":false,"usgs":false,"family":"Tjoelker","given":"Michael","email":"","affiliations":[{"id":13194,"text":"School of Environmental and Forest Sciences, University of Washington","active":true,"usgs":false}],"preferred":false,"id":645381,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hamlet, Alan F.","contributorId":15529,"corporation":false,"usgs":true,"family":"Hamlet","given":"Alan","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":645382,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Woodhouse, Connie A.","contributorId":187601,"corporation":false,"usgs":false,"family":"Woodhouse","given":"Connie","email":"","middleInitial":"A.","affiliations":[{"id":32413,"text":"University of Arizona, Tucson, AZ, USA, 85721","active":true,"usgs":false}],"preferred":false,"id":645383,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70184325,"text":"70184325 - 2016 - Structured decision making for managing pneumonia epizootics in bighorn sheep","interactions":[],"lastModifiedDate":"2017-03-07T15:53:54","indexId":"70184325","displayToPublicDate":"2016-08-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Structured decision making for managing pneumonia epizootics in bighorn sheep","docAbstract":"<p><span>Good decision-making is essential to conserving wildlife populations. Although there may be multiple ways to address a problem, perfect solutions rarely exist. Managers are therefore tasked with identifying decisions that will best achieve desired outcomes. Structured decision making (SDM) is a method of decision analysis used to identify the most effective, efficient, and realistic decisions while accounting for values and priorities of the decision maker. The stepwise process includes identifying the management problem, defining objectives for solving the problem, developing alternative approaches to achieve the objectives, and formally evaluating which alternative is most likely to accomplish the objectives. The SDM process can be more effective than informal decision-making because it provides a transparent way to quantitatively evaluate decisions for addressing multiple management objectives while incorporating science, uncertainty, and risk tolerance. To illustrate the application of this process to a management need, we present an SDM-based decision tool developed to identify optimal decisions for proactively managing risk of pneumonia epizootics in bighorn sheep (</span><i>Ovis canadensis</i><span>) in Montana. Pneumonia epizootics are a major challenge for managers due to long-term impacts to herds, epistemic uncertainty in timing and location of future epizootics, and consequent difficulty knowing how or when to manage risk. The decision tool facilitates analysis of alternative decisions for how to manage herds based on predictions from a risk model, herd-specific objectives, and predicted costs and benefits of each alternative. Decision analyses for 2 example herds revealed that meeting management objectives necessitates specific approaches unique to each herd. The analyses showed how and under what circumstances the alternatives are optimal compared to other approaches and current management. Managers can be confident that these decisions are effective, efficient, and realistic because they explicitly account for important considerations managers implicitly weigh when making decisions, including competing management objectives, uncertainty in potential outcomes, and risk tolerance. </span></p>","language":"English","publisher":"Wiley","doi":"10.1002/jwmg.21088","usgsCitation":"Sells, S.N., Mitchell, M.S., Edwards, V.L., Gude, J., and Anderson, N.J., 2016, Structured decision making for managing pneumonia epizootics in bighorn sheep: Journal of Wildlife Management, v. 80, no. 6, p. 957-969, https://doi.org/10.1002/jwmg.21088.","productDescription":"13 p.","startPage":"957","endPage":"969","ipdsId":"IP-064077","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":336971,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"80","issue":"6","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2016-05-18","publicationStatus":"PW","scienceBaseUri":"58bfd4f3e4b014cc3a3ba4af","contributors":{"authors":[{"text":"Sells, Sarah N.","contributorId":171706,"corporation":false,"usgs":false,"family":"Sells","given":"Sarah","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":681074,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mitchell, Michael S. 0000-0002-0773-6905 mmitchel@usgs.gov","orcid":"https://orcid.org/0000-0002-0773-6905","contributorId":3716,"corporation":false,"usgs":true,"family":"Mitchell","given":"Michael","email":"mmitchel@usgs.gov","middleInitial":"S.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":681010,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Edwards, Victoria L.","contributorId":90149,"corporation":false,"usgs":true,"family":"Edwards","given":"Victoria","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":681075,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gude, Justin A.","contributorId":95780,"corporation":false,"usgs":true,"family":"Gude","given":"Justin A.","affiliations":[],"preferred":false,"id":681076,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Anderson, Neil J.","contributorId":85870,"corporation":false,"usgs":true,"family":"Anderson","given":"Neil","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":681077,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70184322,"text":"70184322 - 2016 - Considering transient population dynamics in the conservation of slow life-history species: An application to the sandhill crane","interactions":[],"lastModifiedDate":"2017-03-07T16:00:00","indexId":"70184322","displayToPublicDate":"2016-08-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1015,"text":"Biological Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Considering transient population dynamics in the conservation of slow life-history species: An application to the sandhill crane","docAbstract":"<p><span>The importance of transient dynamics of structured populations is increasingly recognized in ecology, yet these implications are not largely considered in conservation practices. We investigate transient and long-term population dynamics to demonstrate the process and utility of incorporating transient dynamics into conservation research and to better understand the population management of slow life-history species; these species can be theoretically highly sensitive to short- and long-term transient effects. We are specifically interested in the effects of anthropogenic removal of individuals from populations, such as caused by harvest, poaching, translocation, or incidental take. We use the sandhill crane (</span><i>Grus canadensis</i><span>) as an exemplar species; it is long-lived, has low reproduction, late maturity, and multiple populations are subject to sport harvest. We found sandhill cranes to have extremely high potential, but low likelihood for transient dynamics, even when the population is being harvested. The typically low population growth rate of slow life-history species appears to buffer against many perturbations causing large transient effects. Transient dynamics will dominate population trajectories of these species when stage structures are highly biased towards the younger and non-reproducing individuals, a situation that may be rare in established populations of long-lived animals. However, short-term transient population growth can be highly sensitive to vital rates that are relatively insensitive under equilibrium, suggesting that stage structure should be known if perturbation analysis is used to identify effective conservation strategies. For populations of slow life-history species that are not prone to large perturbations to their most productive individuals, population growth may be approximated by equilibrium dynamics.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.biocon.2016.06.014","usgsCitation":"Gerber, B.D., and Kendall, W., 2016, Considering transient population dynamics in the conservation of slow life-history species: An application to the sandhill crane: Biological Conservation, v. 200, p. 228-239, https://doi.org/10.1016/j.biocon.2016.06.014.","productDescription":"12 p.","startPage":"228","endPage":"239","ipdsId":"IP-069777","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":336976,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"200","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58bfd4f4e4b014cc3a3ba4bb","contributors":{"authors":[{"text":"Gerber, Brian D.","contributorId":187620,"corporation":false,"usgs":false,"family":"Gerber","given":"Brian","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":681089,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kendall, William L. 0000-0003-0084-9891 wkendall@usgs.gov","orcid":"https://orcid.org/0000-0003-0084-9891","contributorId":166709,"corporation":false,"usgs":true,"family":"Kendall","given":"William L.","email":"wkendall@usgs.gov","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":false,"id":681007,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70178047,"text":"70178047 - 2016 - Multispecies cccupancy modeling as a tool for evaluating the status and distribution of Darters in the Elk River, Tennessee","interactions":[],"lastModifiedDate":"2016-11-01T12:38:58","indexId":"70178047","displayToPublicDate":"2016-08-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3624,"text":"Transactions of the American Fisheries Society","active":true,"publicationSubtype":{"id":10}},"title":"Multispecies cccupancy modeling as a tool for evaluating the status and distribution of Darters in the Elk River, Tennessee","docAbstract":"<p><span>Sixteen darter species, including the federally endangered Boulder Darter </span><i>Etheostoma wapiti</i><span>, are known to occur in the Elk River, a large, flow-regulated tributary of the Tennessee River, Tennessee–Alabama. Since the construction of Tims Ford Dam (TFD) in 1970, habitat modification caused by cold, hypolimnetic water releases and peak-demand hydropower generation has contributed to population declines and range reductions for numerous aquatic species in the main-stem Elk River. We developed Bayesian hierarchical multispecies occupancy models to determine the influence of site- and species-level characteristics on darter occurrence by using presence–absence data for 15 species collected from 39 study sites. Modeling results indicated that large-river obligate species, such as the Boulder Darter, were 6.92 times more likely to occur for every 37-km increase in the distance downstream from TFD. In contrast, small-stream species were 2.35 times less likely and cosmopolitan species were 1.88 times less likely to occur for every 37-km increase in distance downstream from TFD. The probability of occurrence for darter species also had a strong negative relationship with the absence of cobble and boulder substrates and the presence of high silt levels, particularly for species that require boulder substrates during spawning. Although total darter species richness was similar across all 39 sample sites, the composition of darter assemblages varied substantially among locations, presumably due in part to species-specific habitat affinities and hydrothermal conditions. The use of multispecies occupancy models allowed us to account for the incomplete detection of species while estimating the influence of physical habitat characteristics and species traits on darter occurrences, including rarely observed species that would have been difficult to model individually.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/00028487.2016.1201002","usgsCitation":"Potoka, K.M., Shea, C.P., and Bettoli, P.W., 2016, Multispecies cccupancy modeling as a tool for evaluating the status and distribution of Darters in the Elk River, Tennessee: Transactions of the American Fisheries Society, v. 145, no. 5, p. 1110-1121, https://doi.org/10.1080/00028487.2016.1201002.","productDescription":"12 p.","startPage":"1110","endPage":"1121","ipdsId":"IP-066109","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":330600,"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              -87.05429077148438,\n              34.99287873327227\n            ],\n            [\n              -87.05429077148438,\n              35.31736632923788\n            ],\n            [\n              -86.14517211914061,\n              35.31736632923788\n            ],\n            [\n              -86.14517211914061,\n              34.99287873327227\n            ],\n            [\n              -87.05429077148438,\n              34.99287873327227\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"145","issue":"5","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationDate":"2016-08-12","publicationStatus":"PW","scienceBaseUri":"5819a9c3e4b0bb36a4c9101d","chorus":{"doi":"10.1080/00028487.2016.1201002","url":"http://dx.doi.org/10.1080/00028487.2016.1201002","publisher":"Informa UK Limited","authors":"Potoka Kathryn M., Shea Colin P., Bettoli Phillip W.","journalName":"Transactions of the American Fisheries Society","publicationDate":"8/12/2016"},"contributors":{"authors":[{"text":"Potoka, Kathryn M.","contributorId":176506,"corporation":false,"usgs":false,"family":"Potoka","given":"Kathryn","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":652603,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shea, Colin P.","contributorId":140147,"corporation":false,"usgs":false,"family":"Shea","given":"Colin","email":"","middleInitial":"P.","affiliations":[{"id":13267,"text":"Warnell School of Forestry and Natural Resources, University of Georgia","active":true,"usgs":false}],"preferred":false,"id":652604,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bettoli, Phillip William pbettoli@usgs.gov","contributorId":1919,"corporation":false,"usgs":true,"family":"Bettoli","given":"Phillip","email":"pbettoli@usgs.gov","middleInitial":"William","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":652592,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70184324,"text":"70184324 - 2016 - Desert bighorn sheep lambing habitat: Parturition, nursery, and predation sites","interactions":[],"lastModifiedDate":"2017-03-07T15:55:33","indexId":"70184324","displayToPublicDate":"2016-08-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Desert bighorn sheep lambing habitat: Parturition, nursery, and predation sites","docAbstract":"<p><span>Fitness of female ungulates is determined by neonate survival and lifetime reproductive success. Therefore, adult female ungulates should adopt behaviors and habitat selection patterns that enhance survival of neonates during parturition and lactation. Parturition site location may play an important role in neonatal mortality of desert bighorn sheep (</span><i>Ovis canadensis mexicana</i><span>) when lambs are especially vulnerable to predation, but parturition sites are rarely documented for this species. Our objectives were to assess environmental characteristics at desert bighorn parturition, lamb nursery, and predation sites and to assess differences in habitat characteristics between parturition sites and nursery group sites, and predation sites and nursery group sites. We used vaginal implant transmitters (VITs) to identify parturition sites and capture neonates. We then compared elevation, slope, terrain ruggedness, and visibility at parturition, nursery, and lamb predation sites with paired random sites and compared characteristics of parturition sites and lamb predation sites to those of nursery sites. When compared to random sites, odds of a site being a parturition site were highest at intermediate slopes and decreased with increasing female visibility. Odds of a site being a predation site increased with decreasing visibility. When compared to nursery group sites, odds of a site being a parturition site had a quadratic relationship with elevation and slope, with odds being highest at intermediate elevations and intermediate slopes. When we compared predation sites to nursery sites, odds of a site being a predation were highest at low elevation areas with high visibility and high elevation areas with low visibility likely because of differences in hunting strategies of coyote (</span><i>Canis latrans</i><span>) and puma (</span><i>Puma concolor</i><span>). Parturition sites were lower in elevation and slope than nursery sites. Understanding selection of parturition sites by adult females and how habitat characteristics at these sites differ from those at predation and nursery sites can provide insight into strategies employed by female desert bighorn sheep and other species during and after parturition to promote neonate survival.</span></p>","language":"English","publisher":"Wiley","doi":"10.1002/jwmg.21092","usgsCitation":"Karsch, R., Cain, J.W., Rominger, E.M., and Goldstein, E., 2016, Desert bighorn sheep lambing habitat: Parturition, nursery, and predation sites: Journal of Wildlife Management, v. 80, no. 6, p. 1069-1080, https://doi.org/10.1002/jwmg.21092.","productDescription":"12 p.","startPage":"1069","endPage":"1080","ipdsId":"IP-063342","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":336974,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"80","issue":"6","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2016-05-04","publicationStatus":"PW","scienceBaseUri":"58bfd4f4e4b014cc3a3ba4b4","contributors":{"authors":[{"text":"Karsch, Rebekah C.","contributorId":64159,"corporation":false,"usgs":true,"family":"Karsch","given":"Rebekah C.","affiliations":[],"preferred":false,"id":681080,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cain, James W. III 0000-0003-4743-516X jwcain@usgs.gov","orcid":"https://orcid.org/0000-0003-4743-516X","contributorId":4063,"corporation":false,"usgs":true,"family":"Cain","given":"James","suffix":"III","email":"jwcain@usgs.gov","middleInitial":"W.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":681009,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rominger, Eric M.","contributorId":91038,"corporation":false,"usgs":true,"family":"Rominger","given":"Eric","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":681081,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Goldstein, Elise J.","contributorId":32825,"corporation":false,"usgs":true,"family":"Goldstein","given":"Elise J.","affiliations":[],"preferred":false,"id":681082,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70178871,"text":"70178871 - 2016 - Development and assessment of indices to determine stream fish vulnerability to climate change and habitat alteration","interactions":[],"lastModifiedDate":"2016-12-09T15:35:26","indexId":"70178871","displayToPublicDate":"2016-08-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1456,"text":"Ecological Indicators","active":true,"publicationSubtype":{"id":10}},"title":"Development and assessment of indices to determine stream fish vulnerability to climate change and habitat alteration","docAbstract":"<p><span>Understanding the future impacts of climate and land use change are critical for long-term biodiversity conservation. We developed and compared two indices to assess the vulnerability of stream fish in Missouri, USA based on species environmental tolerances, rarity, range size, dispersal ability and on the average connectivity of the streams occupied by each species. These two indices differed in how environmental tolerance was classified (i.e., vulnerability to habitat alteration, changes in stream temperature, and changes to flow regimes). Environmental tolerance was classified based on measured species responses to habitat alteration, and extremes in stream temperatures and flow conditions for one index, while environmental tolerance for the second index was based on species’ traits. The indices were compared to determine if vulnerability scores differed by index or state listing status. We also evaluated the spatial distribution of species classified as vulnerable to habitat alteration, changes in stream temperature, and change in flow regimes. Vulnerability scores were calculated for all 133 species with the trait association index, while only 101 species were evaluated using the species response index, because 32 species lacked data to analyze for a response. Scores from the trait association index were greater than the species response index. This is likely due to the species response index's inability to evaluate many rare species, which generally had high vulnerability scores for the trait association index. The indices were consistent in classifying vulnerability to habitat alteration, but varied in their classification of vulnerability due to increases in stream temperature and alterations to flow regimes, likely because extremes in current climate may not fully capture future conditions and their influence on stream fish communities. Both indices showed higher mean vulnerability scores for listed species than unlisted species, which provided a coarse measure of validation. Our indices classified species identified as being in need of conservation by the state of Missouri as highly vulnerable. The distribution of vulnerable species in Missouri showed consistent patterns between indices, with the more forest-dominated, groundwater fed streams in the Ozark subregion generally having higher numbers and proportions of vulnerable species per site than subregions that were agriculturally dominated with more overland flow. These results suggest that both indices will identify similar habitats as conservation action targets despite discrepancies in the classification of vulnerable species. Our vulnerability assessment provides a framework that can be refined and used in other regions.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.ecolind.2016.03.013","usgsCitation":"Sievert, N., Paukert, C.P., Tsang, Y., and Infante, D.M., 2016, Development and assessment of indices to determine stream fish vulnerability to climate change and habitat alteration: Ecological Indicators, v. 67, p. 403-416, https://doi.org/10.1016/j.ecolind.2016.03.013.","productDescription":"14 p.","startPage":"403","endPage":"416","ipdsId":"IP-069170","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":470709,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.ecolind.2016.03.013","text":"Publisher Index Page"},{"id":331824,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"67","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"584bd0dee4b077fc20250e0e","chorus":{"doi":"10.1016/j.ecolind.2016.03.013","url":"http://dx.doi.org/10.1016/j.ecolind.2016.03.013","publisher":"Elsevier BV","authors":"Sievert Nicholas A., Paukert Craig P., Tsang Yin-Phan, Infante Dana","journalName":"Ecological Indicators","publicationDate":"8/2016"},"contributors":{"authors":[{"text":"Sievert, Nicholas A. 0000-0003-3160-7596","orcid":"https://orcid.org/0000-0003-3160-7596","contributorId":177341,"corporation":false,"usgs":false,"family":"Sievert","given":"Nicholas A.","affiliations":[],"preferred":false,"id":655396,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Paukert, Craig P. 0000-0002-9369-8545 cpaukert@usgs.gov","orcid":"https://orcid.org/0000-0002-9369-8545","contributorId":879,"corporation":false,"usgs":true,"family":"Paukert","given":"Craig","email":"cpaukert@usgs.gov","middleInitial":"P.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":655388,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Tsang, Yin-Phan","contributorId":177342,"corporation":false,"usgs":false,"family":"Tsang","given":"Yin-Phan","email":"","affiliations":[],"preferred":false,"id":655397,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Infante, Dana M. 0000-0003-1385-1587","orcid":"https://orcid.org/0000-0003-1385-1587","contributorId":150821,"corporation":false,"usgs":false,"family":"Infante","given":"Dana","email":"","middleInitial":"M.","affiliations":[{"id":18112,"text":"Dept. of Fisheries and Wildlife,","active":true,"usgs":false}],"preferred":false,"id":655398,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70175118,"text":"70175118 - 2016 - Soil microbial community profiles and functional diversity in limestone cedar glades","interactions":[],"lastModifiedDate":"2016-07-29T14:56:29","indexId":"70175118","displayToPublicDate":"2016-07-27T18:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1198,"text":"Catena","active":true,"publicationSubtype":{"id":10}},"title":"Soil microbial community profiles and functional diversity in limestone cedar glades","docAbstract":"<p>Rock outcrop ecosystems, such as limestone cedar glades (LCGs), are known for their rare and endemic plant species adapted to high levels of abiotic stress. Soils in LCGs are thin (&lt; 25 cm), soil-moisture conditions fluctuate seasonally between xeric and saturated, and summer soil temperatures commonly exceed 48 &deg;C. The effects of these stressors on soil microbial communities (SMC) remain largely unstudied, despite the importance of SMC-plant interactions in regulating the structure and function of terrestrial ecosystems. SMC profiles and functional diversity were characterized in LCGs using community level physiological profiling (CLPP) and plate-dilution frequency assays (PDFA). Most-probable number (MPN) estimates and microbial substrate-utilization diversity (H) were positively related to soil thickness, soil organic matter (OM), soil water content, and vegetation density, and were diminished in alkaline soil relative to circumneutral soil. Soil nitrate showed no relationship to SMCs, suggesting lack of N-limitation. Canonical correlation analysis indicated strong correlations between microbial CLPP patterns and several physical and chemical properties of soil, primarily temperature at the ground surface and at 4-cm depth, and secondarily soil-water content, enabling differentiation by season. Thus, it was demonstrated that several well-described abiotic determinants of plant community structure in this ecosystem are also reflected in SMC profiles.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.catena.2016.07.010","collaboration":"National Park Service","usgsCitation":"Cartwright, J.M., Dzantor, E.K., and Momen, B., 2016, Soil microbial community profiles and functional diversity in limestone cedar glades: Catena, v. 147, p. 216-224, https://doi.org/10.1016/j.catena.2016.07.010.","productDescription":"8 p.","startPage":"216","endPage":"224","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-070053","costCenters":[{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"links":[{"id":470720,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.catena.2016.07.010","text":"Publisher Index 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Kudjo","contributorId":173265,"corporation":false,"usgs":false,"family":"Dzantor","given":"E.","email":"","middleInitial":"Kudjo","affiliations":[{"id":13370,"text":"Tennessee State University","active":true,"usgs":false}],"preferred":false,"id":643974,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Momen, Bahram","contributorId":149419,"corporation":false,"usgs":false,"family":"Momen","given":"Bahram","email":"","affiliations":[{"id":17728,"text":"Environmental Science & Technology Dept, University of MD","active":true,"usgs":false}],"preferred":false,"id":643975,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70174962,"text":"70174962 - 2016 - A portable trap with electric lead catches up to 75% of an invasive fish species","interactions":[],"lastModifiedDate":"2016-07-25T13:46:46","indexId":"70174962","displayToPublicDate":"2016-07-25T14:45:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3358,"text":"Scientific Reports","active":true,"publicationSubtype":{"id":10}},"title":"A portable trap with electric lead catches up to 75% of an invasive fish species","docAbstract":"<p><span>A novel system combining a trap and pulsed direct current electricity was able to catch up to 75% of tagged invasive sea lamprey&nbsp;</span><i>Petromyzon marinus</i><span>&nbsp;in free-flowing streams. Non-target mortality was rare and impacts to non-target migration were minimal; likely because pulsed direct current only needed to be activated at night (7&thinsp;hours of each day). The system was completely portable and the annual cost of the trapping system was low ($4,800 U.S. dollars). Use of the technology is poised to substantially advance integrated control of sea lamprey, which threaten a fishery valued at 7 billion U.S. dollars annually, and help restore sea lamprey populations in Europe where they are native, but imperiled. The system may be broadly applicable to controlling invasive fishes and restoring valued fishes worldwide, thus having far reaching effects on ecosystems and societies.</span></p>","language":"English","publisher":"Macmillan Publishers Limited","doi":"10.1038/srep28430","usgsCitation":"Johnson, N., Miehls, S.M., O’Connor, L.M., Bravener, G., Barber, J., Thompson, H.T., Tix, J., and Bruning, T., 2016, A portable trap with electric lead catches up to 75% of an invasive fish species: Scientific Reports, v. 6, Article 28430; 8 p., https://doi.org/10.1038/srep28430.","productDescription":"Article 28430; 8 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-075758","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":470729,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1038/srep28430","text":"Publisher Index Page"},{"id":325606,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationDate":"2016-06-24","publicationStatus":"PW","scienceBaseUri":"57972a1fe4b021cadec86f0f","contributors":{"authors":[{"text":"Johnson, Nicholas S. 0000-0002-7419-6013 njohnson@usgs.gov","orcid":"https://orcid.org/0000-0002-7419-6013","contributorId":150983,"corporation":false,"usgs":true,"family":"Johnson","given":"Nicholas S.","email":"njohnson@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":643397,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miehls, Scott M. 0000-0002-5546-1854 smiehls@usgs.gov","orcid":"https://orcid.org/0000-0002-5546-1854","contributorId":5007,"corporation":false,"usgs":true,"family":"Miehls","given":"Scott","email":"smiehls@usgs.gov","middleInitial":"M.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":643398,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Connor, Lisa M.","contributorId":173132,"corporation":false,"usgs":false,"family":"O’Connor","given":"Lisa","email":"","middleInitial":"M.","affiliations":[{"id":13677,"text":"Fisheries and Oceans Canada","active":true,"usgs":false}],"preferred":false,"id":643399,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bravener, Gale","contributorId":150995,"corporation":false,"usgs":false,"family":"Bravener","given":"Gale","affiliations":[{"id":13677,"text":"Fisheries and Oceans Canada","active":true,"usgs":false}],"preferred":false,"id":643400,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Barber, Jessica","contributorId":173133,"corporation":false,"usgs":false,"family":"Barber","given":"Jessica","affiliations":[{"id":6584,"text":"United States Fish and Wildlife Service–Bozeman Fish Technology","active":true,"usgs":false}],"preferred":false,"id":643401,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Thompson, Henry T. 0000-0002-3730-9322 hthompson@usgs.gov","orcid":"https://orcid.org/0000-0002-3730-9322","contributorId":5028,"corporation":false,"usgs":true,"family":"Thompson","given":"Henry","email":"hthompson@usgs.gov","middleInitial":"T.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":643402,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Tix, John A.","contributorId":126766,"corporation":false,"usgs":false,"family":"Tix","given":"John A.","affiliations":[{"id":6602,"text":"Great Lakes Science Center, Hammond Bay Biological Station","active":true,"usgs":false}],"preferred":false,"id":643403,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Bruning, Tyler 0000-0002-5970-9810 tbruning@usgs.gov","orcid":"https://orcid.org/0000-0002-5970-9810","contributorId":173134,"corporation":false,"usgs":true,"family":"Bruning","given":"Tyler","email":"tbruning@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":643404,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70171549,"text":"sir20165078 - 2016 - An international borderland of concern: Conservation of biodiversity in the Lower Rio Grande Valley","interactions":[],"lastModifiedDate":"2016-07-26T08:57:49","indexId":"sir20165078","displayToPublicDate":"2016-07-20T00:00:00","publicationYear":"2016","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":"2016-5078","title":"An international borderland of concern: Conservation of biodiversity in the Lower Rio Grande Valley","docAbstract":"<p>The Lower Rio Grande Valley (LRGV) of southern Texas is located on the United States-Mexico borderland and represents a 240-kilometer (150-mile) linear stretch that ends at the Gulf of Mexico. The LRGV represents a unique transition between temperate and tropical conditions and, as such, sustains an exceptionally high diversity of plants and animals—some of them found in few, or no other, places in the United States. Examples include <i>Leopardus pardalis albescens</i> (northern ocelot) and <i>Falco femoralis septentrionalis</i> (northern aplomado falcon)—both endangered in the United States and emblematic of the LRGV. The U.S. Fish and Wildlife Service (USFWS) manages three national wildlife refuges (Santa Ana, Lower Rio Grande Valley, and Laguna Atascosa) that together make up the South Texas Refuge Complex, which actively conserves biodiversity in about 76,006 hectares (187,815.5 acres) of native riparian and upland habitats in the LRGV. These diminished habitats harbor many rare, threatened, and endangered species. This report updates the widely used 1988 USFWS biological report titled “Tamaulipan Brushland of the Lower Rio Grande Valley of South Texas: Description, Human Impacts, and Management Options” by synthesizing nearly 400 peer-reviewed scientific publications that have resulted from biological and sociological research conducted specifically in the four Texas counties of the LRGV in the past nearly 30 years. This report has three goals: (1) synthesize scientific insights gained since 1988 related to the biology and management of the LRGV and its unique biota, focusing on flora and fauna of greatest conservation concern; (2) update ongoing challenges facing Federal and State agencies and organizations that focus on conservation or key natural resources in the LRGV; and (3) redefine conservation opportunities and land-acquisition strategies that are feasible and appropriate today, given the many new and expanding constraints that challenge conservation activities in the LRGV. The LRGV faces every contemporary conservation challenge of the 21st century, but ongoing human population growth and its associated demands, international border issues, and oil, gas, and alternative energy development dominate impacts that affect conservation in the LRGV. Continued careful syntheses of existing and future information collected in the LRGV are needed on many biological and sociological topics to guide conservation activities. Quick response will no doubt be necessary to face contemporary and difficult-to-predict challenges such as climate change, diminished water availability and quality, spread of invasive species, and habitat loss and fragmentation. Complexities of a guarded international borderland add pressure to small patches of native habitat that remain in many places of the LRGV, particularly along the Rio Grande. Large connected corridors of restored native habitat could be the best option to maintain, and even enhance, the exceptional biodiversity of the LRGV in the face of exceptional human demand.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20165078","collaboration":"Prepared in cooperation with the U.S. Fish and Wildlife Service and Oklahoma State University","usgsCitation":"Leslie, D.M., Jr., 2016, An international borderland of concern—Conservation of biodiversity in the Lower Rio Grande Valley: U.S. Geological Survey Scientific Investigations Report 2016–5078, 120 p., https://dx.doi.org/10.3133/sir20165078.","productDescription":"xii, 120 p.","numberOfPages":"136","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071193","costCenters":[{"id":198,"text":"Coop Res Unit 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]\n}","contact":"<div>Chief, Cooperative Research Units</div><div>U.S. Geological Survey</div><div>12201 Sunrise Valley Drive</div><div>Reston, VA 20192–0002</div>","tableOfContents":"<ul>\n<li>Abstract</li>\n<li>Introduction</li>\n<li>Unique Aspects of the Lower Rio Grande Valley</li>\n<li>Ongoing Challenges Facing the LRGV</li>\n<li>Conservation Opportunities for the LRGV in the 21st Century</li>\n<li>Future Management Directions and Needs</li>\n<li>Conclusion</li>\n<li>References</li>\n<li>Appendixes A&ndash;C</li>\n</ul>","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"publishedDate":"2016-07-20","noUsgsAuthors":false,"publicationDate":"2016-07-20","publicationStatus":"PW","scienceBaseUri":"579092a4e4b0ba248d2f2e61","contributors":{"authors":[{"text":"Leslie, David M. 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,{"id":70174879,"text":"70174879 - 2016 - Spatial and temporal variability in estuary habitat use by American alligators","interactions":[],"lastModifiedDate":"2017-05-04T10:06:55","indexId":"70174879","displayToPublicDate":"2016-07-19T14:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1584,"text":"Estuaries and Coasts","active":true,"publicationSubtype":{"id":10}},"title":"Spatial and temporal variability in estuary habitat use by American alligators","docAbstract":"<p><span>Estuarine habitat occupied by&nbsp;</span><i class=\"EmphasisTypeItalic \">Alligator mississippiensis</i><span>, a primarily freshwater species, is spatially and temporally heterogeneous largely due to a salinity gradient that fluctuates. Using long-term night light survey data, we examined seasonal patterns in alligators&rsquo; habitat use by size classes in midstream and downstream estuary zones of Shark River, Everglades National Park, in southern Florida. We observed predominantly large-sized alligators (total length&thinsp;&ge;&thinsp;1.75&nbsp;m); observations of alligators in the small size classes (0.5&nbsp;m&thinsp;&le;&thinsp;total length&thinsp;&lt;&thinsp;1.25&nbsp;m) were rare especially in the higher-salinity downstream zone. The density of alligators in the downstream zone was lower than that of the midstream zone during the dry season when salinity increases due to reduced precipitation. Conversely, the density of the large size alligators was higher in the downstream zone than in the midstream zone during the wet season, likely because of reduced salinity. We also found a significant declining trend over time in the number of alligators in the dry season, which coincides with the reported decline in alligator relative density in southern Florida freshwater wetlands. Our results indicated high adaptability of alligators to the fluctuating habitat conditions. Use of estuaries by alligators is likely driven in part by physiology and possibly by reproductive cycle, and our results supported their opportunistic use of estuary habitat and ontogenetic niche shifts.</span></p>","language":"English","publisher":"Springer","doi":"10.1007/s12237-016-0084-2","usgsCitation":"Fujisaki, I., Hart, K.M., Cherkiss, M.S., Mazzotti, F., Beauchamp, J.S., Jeffery, B.M., and Brandt, L., 2016, Spatial and temporal variability in estuary habitat use by American alligators: Estuaries and Coasts, v. 39, no. 5, p. 1561-1569, https://doi.org/10.1007/s12237-016-0084-2.","productDescription":"9 p.","startPage":"1561","endPage":"1569","numberOfPages":"9","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-060689","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":325444,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Everglades National Park, Shark River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -81.35101318359374,\n              25.691038020050154\n            ],\n            [\n              -81.23565673828125,\n              25.70588750345636\n            ],\n            [\n              -81.10107421874999,\n              25.71826065792773\n            ],\n            [\n              -80.99945068359375,\n              25.70588750345636\n            ],\n            [\n              -80.892333984375,\n              25.68856292610355\n            ],\n            [\n              -80.76873779296875,\n              25.64895443060557\n            ],\n            [\n              -80.61767578124999,\n              25.601902261115754\n 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,{"id":70174672,"text":"70174672 - 2016 - Assessing the influence of watershed characteristics on chlorophyll a in waterbodies at global and regional scales","interactions":[],"lastModifiedDate":"2018-01-02T20:44:35","indexId":"70174672","displayToPublicDate":"2016-07-14T11:15:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1999,"text":"Inland Waters","active":true,"publicationSubtype":{"id":10}},"title":"Assessing the influence of watershed characteristics on chlorophyll a in waterbodies at global and regional scales","docAbstract":"<p>Prediction of primary production of lentic water bodies (i.e., lakes and reservoirs) is valuable to researchers and resource managers alike, but is very rarely done at the global scale. With the development of remote sensing technologies, it is now feasible to gather large amounts of data across the world, including understudied and remote regions. To determine which factors were most important in explaining the variation of chlorophyll a (Chl-<i>a</i>), an indicator of primary production in water bodies, at global and regional scales, we first developed a geospatial database of 227 water bodies and watersheds with corresponding Chl-<i>a</i>, nutrient, hydrogeomorphic, and climate data. Then we used a generalized additive modeling approach and developed model selection criteria to select models that most parsimoniously related Chl-<i>a</i> to predictor variables for all 227 water bodies and for 51 lakes in the Laurentian Great Lakes region in the data set. Our best global model contained two hydrogeomorphic variables (water body surface area and the ratio of watershed to water body surface area) and a climate variable (average temperature in the warmest model selection criteria to select models that most parsimoniously related Chl-<i>a</i> to predictor variables quarter) and explained ~ 30% of variation in Chl-<i>a</i>. Our regional model contained one hydrogeomorphic variable (flow accumulation) and the same climate variable, but explained substantially more variation (58%). Our results indicate that a regional approach to watershed modeling may be more informative to predicting Chl-<i>a</i>, and that nearly a third of global variability in Chl-<i>a</i> may be explained using hydrogeomorphic and climate variables.</p>","language":"English","publisher":"International Society of Limnology","doi":"10.1080/IW-6.3.964","usgsCitation":"Woelmer, W., Kao, Y., Bunnell, D., Deines, A.M., Bennion, D., Rogers, M.W., Brooks, C., Sayers, M.J., Banach, D.M., Grimm, A.G., and Shuchman, R.A., 2016, Assessing the influence of watershed characteristics on chlorophyll a in waterbodies at global and regional scales: Inland Waters, v. 6, no. 3, p. 379-392, https://doi.org/10.1080/IW-6.3.964.","productDescription":"14 p.","startPage":"379","endPage":"392","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-071310","costCenters":[{"id":324,"text":"Great Lakes Science 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Environment","active":true,"usgs":false}],"preferred":false,"id":642454,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bunnell, David B. 0000-0003-3521-7747 dbunnell@usgs.gov","orcid":"https://orcid.org/0000-0003-3521-7747","contributorId":169859,"corporation":false,"usgs":true,"family":"Bunnell","given":"David B.","email":"dbunnell@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":false,"id":642452,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Deines, Andrew M.","contributorId":166920,"corporation":false,"usgs":false,"family":"Deines","given":"Andrew","email":"","middleInitial":"M.","affiliations":[{"id":6601,"text":"Michigan State University","active":true,"usgs":false}],"preferred":false,"id":642455,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bennion, David 0000-0003-4927-4195 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