{"pageNumber":"1187","pageRowStart":"29650","pageSize":"25","recordCount":165309,"records":[{"id":70148576,"text":"70148576 - 2015 - Simulating long-term effectiveness and efficiency of management scenarios for an invasive grass","interactions":[],"lastModifiedDate":"2019-12-11T09:08:10","indexId":"70148576","displayToPublicDate":"2015-06-01T11:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3893,"text":"AIMS Environmental Science","active":true,"publicationSubtype":{"id":10}},"title":"Simulating long-term effectiveness and efficiency of management scenarios for an invasive grass","docAbstract":"<p>Resource managers are often faced with trade-offs in allocating limited resources to manage plant invasions. These decisions must often be made with uncertainty about the location of infestations, their rate of spread and effectiveness of management actions. Landscape level simulation tools such as state-and-transition simulation models (STSMs) can be used to evaluate the potential long term consequences of alternative management strategies and help identify those strategies that make efficient use of resources. We analyzed alternative management scenarios for African buffelgrass (<i>Pennisetum ciliare</i> syn. <i>Cenchrus ciliaris</i>) at Ironwood Forest National Monument, Arizona using a spatially explicit STSM implemented in the Tool for Exploratory Landscape Scenario Analyses (TELSA). Buffelgrass is an invasive grass that is spreading rapidly in the Sonoran Desert, affecting multiple habitats and jurisdictions. This invasion is creating a novel fire risk and transforming natural ecosystems. The model used in this application incorporates buffelgrass dispersal and establishment and management actions and effectiveness including inventory, treatment and post-treatment maintenance. We simulated 11 alternative scenarios developed in consultation with buffelgrass managers and other stakeholders. The scenarios vary according to the total budget allocated for management and the allocation of that budget between different kinds of management actions. Scenario results suggest that to achieve an actual reduction and stabilization of buffelgrass populations, management unconstrained by fiscal restrictions and across all jurisdictions and private lands is required; without broad and aggressive management, buffelgrass populations are expected to increase over time. However, results also suggest that large upfront investments can achieve control results that require relatively minimal spending in the future. Investing the necessary funds upfront to control the invasion results in the most efficient use of resources to achieve lowest invaded acreage in the long-term.</p>","language":"English","publisher":"AIMS Press","doi":"10.3934/environsci.2015.2.427","usgsCitation":"Jarnevich, C.S., Holcombe, T.R., Cullinane Thomas, C., Frid, L., and Olsson, A.D., 2015, Simulating long-term effectiveness and efficiency of management scenarios for an invasive grass: AIMS Environmental Science, v. 2, no. 2, p. 427-447, https://doi.org/10.3934/environsci.2015.2.427.","productDescription":"21 p.","startPage":"427","endPage":"447","numberOfPages":"21","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-063100","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":472040,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3934/environsci.2015.2.427","text":"Publisher Index Page"},{"id":308153,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Arizona","otherGeospatial":"Ironwood Forest National Monument","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.86004638671875,\n              32.20118126633929\n            ],\n            [\n              -111.24755859375,\n              32.20118126633929\n            ],\n            [\n              -111.24755859375,\n              32.648625783736726\n            ],\n            [\n              -111.86004638671875,\n              32.648625783736726\n            ],\n            [\n              -111.86004638671875,\n              32.20118126633929\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"2","issue":"2","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55fa92d3e4b05d6c4e501acf","contributors":{"authors":[{"text":"Jarnevich, Catherine S. 0000-0002-9699-2336 jarnevichc@usgs.gov","orcid":"https://orcid.org/0000-0002-9699-2336","contributorId":3424,"corporation":false,"usgs":true,"family":"Jarnevich","given":"Catherine","email":"jarnevichc@usgs.gov","middleInitial":"S.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":548694,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Holcombe, Tracy R. holcombet@usgs.gov","contributorId":3694,"corporation":false,"usgs":true,"family":"Holcombe","given":"Tracy","email":"holcombet@usgs.gov","middleInitial":"R.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":548695,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cullinane Thomas, Catherine 0000-0001-8168-1271 ccullinanethomas@usgs.gov","orcid":"https://orcid.org/0000-0001-8168-1271","contributorId":141097,"corporation":false,"usgs":true,"family":"Cullinane Thomas","given":"Catherine","email":"ccullinanethomas@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":548696,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Frid, Leonardo","contributorId":56553,"corporation":false,"usgs":true,"family":"Frid","given":"Leonardo","affiliations":[],"preferred":false,"id":548697,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Olsson, Aaryn D.","contributorId":71044,"corporation":false,"usgs":true,"family":"Olsson","given":"Aaryn","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":548698,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70148400,"text":"70148400 - 2015 - Biodynamics of copper oxide nanoparticles and copper ions in an oligochaete: Part I: relative importance of water and sediment as exposure routes","interactions":[],"lastModifiedDate":"2018-09-04T16:24:31","indexId":"70148400","displayToPublicDate":"2015-06-01T11:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":874,"text":"Aquatic Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Biodynamics of copper oxide nanoparticles and copper ions in an oligochaete: Part I: relative importance of water and sediment as exposure routes","docAbstract":"<p>Copper oxide (CuO) nanoparticles (NPs) are widely used, and likely released into the aquatic environment. Both aqueous (i.e., dissolved Cu) and particulate Cu can be taken up by organisms. However, how exposure routes influence the bioavailability and subsequent toxicity of Cu remains largely unknown. Here, we assess the importance of exposure routes (water and sediment) and Cu forms (aqueous and nanoparticulate) on Cu bioavailability and toxicity to the freshwater oligochaete, <i>Lumbriculus variegatus</i>, a head-down deposit-feeder. We characterize the bioaccumulation dynamics of Cu in <i>L. variegatus</i> across a range of exposure concentrations, covering both realistic and worst-case levels of Cu contamination in the environment. Both aqueous Cu (Cu-Aq; administered as Cu(NO<sub>3</sub>)<sub>2</sub>) and nanoparticulate Cu (CuO NPs), whether dispersed in artificial moderately hard freshwater or mixed into sediment, were weakly accumulated by <i>L. variegatus</i>. Once incorporated into tissues, Cu elimination was negligible, i.e., elimination rate constants were in general not different from zero for either exposure route or either Cu form. Toxicity was only observed after waterborne exposure to Cu-Aq at very high concentration (305 &micro;gL<sup>-1</sup>), where all worms died. There was no relationship between exposure route, Cu form or Cu exposure concentration on either worm survival or growth. Slow feeding rates and low Cu assimilation efficiency (approximately 30%) characterized the uptake of Cu from the sediment for both Cu forms. In nature, <i>L. variegatus</i> is potentially exposed to Cu via both water and sediment. However, sediment progressively becomes the predominant exposure route for Cu in <i>L. variegatus</i> as Cu partitioning to sediment increases.</p>","language":"English","publisher":"Elsevier","publisherLocation":"Amsterdam","doi":"10.1016/j.aquatox.2015.04.022","usgsCitation":"Ramskov, T., Thit, A., Croteau, M.N., and Selck, H., 2015, Biodynamics of copper oxide nanoparticles and copper ions in an oligochaete: Part I: relative importance of water and sediment as exposure routes: Aquatic Toxicology, v. 164, p. 81-91, https://doi.org/10.1016/j.aquatox.2015.04.022.","productDescription":"11 p.","startPage":"81","endPage":"91","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-061794","costCenters":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":300967,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"164","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"556ed3b7e4b0d9246a9fa7c7","contributors":{"authors":[{"text":"Ramskov, Tina","contributorId":140202,"corporation":false,"usgs":false,"family":"Ramskov","given":"Tina","email":"","affiliations":[{"id":13410,"text":"Department of Environmental, Social and Spatial Change, Roskilde University, PO Box 260, Universitetsvej 1, DK-4000 Roskilde, Denmark","active":true,"usgs":false}],"preferred":false,"id":547998,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thit, Amalie","contributorId":141022,"corporation":false,"usgs":false,"family":"Thit","given":"Amalie","email":"","affiliations":[{"id":13657,"text":"Department of Environmental, Social and Spatial Change, Roskilde University, Denmark","active":true,"usgs":false}],"preferred":false,"id":547999,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Croteau, Marie Noele 0000-0003-0346-3580 mcroteau@usgs.gov","orcid":"https://orcid.org/0000-0003-0346-3580","contributorId":895,"corporation":false,"usgs":true,"family":"Croteau","given":"Marie","email":"mcroteau@usgs.gov","middleInitial":"Noele","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":547997,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Selck, Henriette","contributorId":28475,"corporation":false,"usgs":false,"family":"Selck","given":"Henriette","affiliations":[{"id":13410,"text":"Department of Environmental, Social and Spatial Change, Roskilde University, PO Box 260, Universitetsvej 1, DK-4000 Roskilde, Denmark","active":true,"usgs":false}],"preferred":false,"id":548000,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70148546,"text":"70148546 - 2015 - High-frequency, long-duration water sampling in acid mine drainage studies: a short review of current methods and recent advances in automated water samplers","interactions":[],"lastModifiedDate":"2015-06-12T09:37:16","indexId":"70148546","displayToPublicDate":"2015-06-01T10:45:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":835,"text":"Applied Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"High-frequency, long-duration water sampling in acid mine drainage studies: a short review of current methods and recent advances in automated water samplers","docAbstract":"<p>Hand-collected grab samples are the most common water sampling method but using grab sampling to monitor temporally variable aquatic processes such as diel metal cycling or episodic events is rarely feasible or cost-effective. Currently available automated samplers are a proven, widely used technology and typically collect up to 24 samples during a deployment. However, these automated samplers are not well suited for long-term sampling in remote areas or in freezing conditions. There is a critical need for low-cost, long-duration, high-frequency water sampling technology to improve our understanding of the geochemical response to temporally variable processes. This review article will examine recent developments in automated water sampler technology and utilize selected field data from acid mine drainage studies to illustrate the utility of high-frequency, long-duration water sampling.</p>","language":"English","publisher":"International Association of Geochemistry and Cosmochemistry","publisherLocation":"New York, NY","doi":"10.1016/j.apgeochem.2015.04.004","usgsCitation":"Chapin, T., 2015, High-frequency, long-duration water sampling in acid mine drainage studies: a short review of current methods and recent advances in automated water samplers: Applied Geochemistry, v. 59, p. 118-124, https://doi.org/10.1016/j.apgeochem.2015.04.004.","productDescription":"7 p.","startPage":"118","endPage":"124","numberOfPages":"7","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-054825","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":472043,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.apgeochem.2015.04.004","text":"Publisher Index Page"},{"id":301184,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"59","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"557c02d2e4b023124e8edf21","chorus":{"doi":"10.1016/j.apgeochem.2015.04.004","url":"http://dx.doi.org/10.1016/j.apgeochem.2015.04.004","publisher":"Elsevier BV","authors":"Chapin Thomas P.","journalName":"Applied Geochemistry","publicationDate":"8/2015","auditedOn":"7/24/2015"},"contributors":{"authors":[{"text":"Chapin, Thomas 0000-0001-6587-0734 tchapin@usgs.gov","orcid":"https://orcid.org/0000-0001-6587-0734","contributorId":758,"corporation":false,"usgs":true,"family":"Chapin","given":"Thomas","email":"tchapin@usgs.gov","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true},{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":548566,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70148545,"text":"70148545 - 2015 - Nearshore dynamics of artificial sand and oil agglomerates","interactions":[],"lastModifiedDate":"2015-06-12T09:41:14","indexId":"70148545","displayToPublicDate":"2015-06-01T10:45:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2676,"text":"Marine Pollution Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Nearshore dynamics of artificial sand and oil agglomerates","docAbstract":"<p>Weathered oil can mix with sediment to form heavier-than-water sand and oil agglomerates (SOAs) that can cause beach re-oiling for years after a spill. Few studies have focused on the physical dynamics of SOAs. In this study, artificial SOAs (aSOAs) were created and deployed in the nearshore, and shear stress-based mobility formulations were assessed to predict SOA response. Prediction sensitivity to uncertainty in hydrodynamic conditions and shear stress parameterizations were explored. Critical stress estimates accounting for large particle exposure in a mixed bed gave the best predictions of mobility under shoaling and breaking waves. In the surf zone, the 10-cm aSOA was immobile and began to bury in the seafloor while smaller size classes dispersed alongshore. aSOAs up to 5 cm in diameter were frequently mobilized in the swash zone. The uncertainty in predicting aSOA dynamics reflects a broader uncertainty in applying mobility and transport formulations to cm-sized particles.</p>","language":"English","publisher":"International Conference on the Environmental Management of Enclosed Coastal Seas","publisherLocation":"London, England","doi":"10.1016/j.marpolbul.2015.04.049","usgsCitation":"Dalyander, P.S., Plant, N.G., Long, J.W., and McLaughlin, M.R., 2015, Nearshore dynamics of artificial sand and oil agglomerates: Marine Pollution Bulletin, v. 96, no. 1-2, p. 344-355, https://doi.org/10.1016/j.marpolbul.2015.04.049.","productDescription":"12 p.","startPage":"344","endPage":"355","numberOfPages":"12","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-065022","costCenters":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":438692,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9Z2XFRJ","text":"USGS data release","linkHelpText":"Laboratory Observations of Variable Size and Shape Particles: Artificial Sand and Oil Agglomerates"},{"id":301185,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"96","issue":"1-2","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"557c02d9e4b023124e8edf2c","contributors":{"authors":[{"text":"Dalyander, P. Soupy 0000-0001-9583-0872 sdalyander@usgs.gov","orcid":"https://orcid.org/0000-0001-9583-0872","contributorId":141015,"corporation":false,"usgs":true,"family":"Dalyander","given":"P.","email":"sdalyander@usgs.gov","middleInitial":"Soupy","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":548559,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Plant, Nathaniel G. 0000-0002-5703-5672 nplant@usgs.gov","orcid":"https://orcid.org/0000-0002-5703-5672","contributorId":3503,"corporation":false,"usgs":true,"family":"Plant","given":"Nathaniel","email":"nplant@usgs.gov","middleInitial":"G.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true},{"id":508,"text":"Office of the AD Hazards","active":true,"usgs":true}],"preferred":true,"id":548560,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Long, Joseph W. 0000-0003-2912-1992 jwlong@usgs.gov","orcid":"https://orcid.org/0000-0003-2912-1992","contributorId":3303,"corporation":false,"usgs":true,"family":"Long","given":"Joseph","email":"jwlong@usgs.gov","middleInitial":"W.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":548561,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"McLaughlin, Molly R. 0000-0001-6962-6392 mmclaughlin@usgs.gov","orcid":"https://orcid.org/0000-0001-6962-6392","contributorId":4089,"corporation":false,"usgs":true,"family":"McLaughlin","given":"Molly","email":"mmclaughlin@usgs.gov","middleInitial":"R.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":548562,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70148412,"text":"70148412 - 2015 - Characteristics of storms driving wave-induced seafloor mobility on the U.S. East Coast continental shelf","interactions":[],"lastModifiedDate":"2015-06-02T09:48:13","indexId":"70148412","displayToPublicDate":"2015-06-01T10:45:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1333,"text":"Continental Shelf Research","active":true,"publicationSubtype":{"id":10}},"title":"Characteristics of storms driving wave-induced seafloor mobility on the U.S. East Coast continental shelf","docAbstract":"<p>This study investigates the relationship between spatial and temporal patterns of wave-driven sediment mobility events on the U.S. East Coast continental shelf and the characteristics of the storms responsible for them. Mobility events, defined as seafloor wave stress exceedance of the critical stress of 0.35 mm diameter sand (0.2160 Pa) for 12 or more hours, were identified from surface wave observations at National Data Buoy Center buoys in the Middle Atlantic Bight (MAB) and South Atlantic Bight (SAB) over the period of 1997-2007. In water depths ranging from 36-48 m, there were 4-9 mobility events/year of 1-2 days duration. Integrated wave stress during events (IWAVES) was used as a combined metric of wave-driven mobility intensity and duration. In the MAB, over 67% of IWAVES was caused by extratropical storms, while in the SAB, greater than 66% of IWAVES was caused by tropical storms. On average, mobility events were caused by waves generated by storms located 800+ km away. Far-field hurricanes generated swell 2-4 days before the waves caused mobility on the shelf. Throughout most of the SAB, mobility events were driven by storms to the south, east, and west. In the MAB and near Cape Hatteras, winds from more northerly storms and low-pressure extratropical systems in the mid-western U.S. also drove mobility events. Waves generated by storms off the SAB generated mobility events along the entire U.S. East Coast shelf north to Cape Cod, while Cape Hatteras shielded the SAB area from swell originating to the north offshore of the MAB.</p>","language":"English","publisher":"North Pacific Marine Science Organization","publisherLocation":"New York, NY","doi":"10.1016/j.csr.2015.05.003","usgsCitation":"Dalyander, P.S., and Butman, B., 2015, Characteristics of storms driving wave-induced seafloor mobility on the U.S. East Coast continental shelf: Continental Shelf Research, v. 104, p. 1-14, https://doi.org/10.1016/j.csr.2015.05.003.","productDescription":"14 p.","startPage":"1","endPage":"14","numberOfPages":"14","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-062841","costCenters":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":472042,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.csr.2015.05.003","text":"Publisher Index Page"},{"id":300965,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"104","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"556ed3b8e4b0d9246a9fa7cc","chorus":{"doi":"10.1016/j.csr.2015.05.003","url":"http://dx.doi.org/10.1016/j.csr.2015.05.003","publisher":"Elsevier BV","authors":"Dalyander P. Soupy, Butman Bradford","journalName":"Continental Shelf Research","publicationDate":"8/2015","auditedOn":"7/24/2015"},"contributors":{"authors":[{"text":"Dalyander, P. Soupy 0000-0001-9583-0872 sdalyander@usgs.gov","orcid":"https://orcid.org/0000-0001-9583-0872","contributorId":141015,"corporation":false,"usgs":true,"family":"Dalyander","given":"P.","email":"sdalyander@usgs.gov","middleInitial":"Soupy","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":548062,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Butman, Bradford 0000-0002-4174-2073 bbutman@usgs.gov","orcid":"https://orcid.org/0000-0002-4174-2073","contributorId":943,"corporation":false,"usgs":true,"family":"Butman","given":"Bradford","email":"bbutman@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":548063,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70154744,"text":"70154744 - 2015 - Decadal re-evaluation of contaminant exposure and productivity of ospreys (<i>Pandion haliaetus</i>) nesting in Chesapeake Bay Regions of Concern","interactions":[],"lastModifiedDate":"2018-09-04T15:59:47","indexId":"70154744","displayToPublicDate":"2015-06-01T10:45:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1555,"text":"Environmental Pollution","active":true,"publicationSubtype":{"id":10}},"title":"Decadal re-evaluation of contaminant exposure and productivity of ospreys (<i>Pandion haliaetus</i>) nesting in Chesapeake Bay Regions of Concern","docAbstract":"<p>The last large-scale ecotoxicological study of ospreys (<i>Pandion haliaetus</i>) in Chesapeake Bay was conducted in 2000-2001 and focused on U.S. EPA-designated Regions of Concern (ROCs; Baltimore Harbor/Patapsco, Anacostia/middle Potomac, and Elizabeth Rivers). In 2011-2012, ROCs were re-evaluated to determine spatial and temporal trends in productivity and contaminants. Concentrations of <i>p,p</i>'-DDE were low in eggs and below the threshold associated with eggshell thinning. Eggs from the Anacostia/middle Potomac Rivers had lower total PCB concentrations in 2011 than in 2000; however, concentrations remained unchanged in Baltimore Harbor. Polybrominated diphenyl ether flame retardants declined by 40%, and five alternative brominated flame retardants were detected at low levels. Osprey productivity was adequate to sustain local populations, and there was no relation between productivity and halogenated contaminants. Our findings document continued recovery of the osprey population, declining levels of many persistent halogenated compounds, and modest evidence of genetic damage in nestlings from industrialized regions.</p>","language":"English","publisher":"Applied Science Publishers","publisherLocation":"Barking, Essex, England","doi":"10.1016/j.envpol.2015.05.026","collaboration":"Peter C. McGowan, U.S. Fish and Wildlife Service, Chesapeake Bay Field Office, Annapolis, Maryland; Robert C. Hale, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, VA; Mary Ann Ottinger, Marine-Estuarine Environmental Sciences Program and Department of Animal and Avian Sciences, University of Maryland, College Park, MD","usgsCitation":"Lazarus, R.S., Rattner, B.A., McGowan, P.C., Hale, R.C., Schultz, S.L., Karouna-Renier, N.K., and Ottinger, M.A., 2015, Decadal re-evaluation of contaminant exposure and productivity of ospreys (<i>Pandion haliaetus</i>) nesting in Chesapeake Bay Regions of Concern: Environmental Pollution, v. 205, p. 278-290, https://doi.org/10.1016/j.envpol.2015.05.026.","productDescription":"13 p.","startPage":"278","endPage":"290","numberOfPages":"13","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-065668","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true},{"id":34983,"text":"Contaminant Biology 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,{"id":70148485,"text":"70148485 - 2015 - Influence of channel morphology and flow regime on larval drift of pallid sturgeon in the Lower Missouri River","interactions":[],"lastModifiedDate":"2017-05-24T14:31:57","indexId":"70148485","displayToPublicDate":"2015-06-01T10:45:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3301,"text":"River Research and Applications","active":true,"publicationSubtype":{"id":10}},"title":"Influence of channel morphology and flow regime on larval drift of pallid sturgeon in the Lower Missouri River","docAbstract":"<p>The transition from drifting free embryo to exogenously feeding larvae has been identified as a potential life-stage bottleneck for the endangered Missouri River pallid sturgeon. Previous studies have indicated that river regulation and fragmentation may contribute to the mortality of larval pallid sturgeon by reducing the extent of free-flowing river available to free embryos to complete ontogenetic development. Calculations of total drift distance based on mean velocity, however, do not address the potential for complex channels and flow patterns to increase retention or longitudinal dispersion of free embryos. We use a one-dimensional advection&ndash;dispersion model to estimate total drift distance and employ the longitudinal dispersion coefficient as a metric to quantify the tendency towards dispersion or retention of passively drifting larvae. We describe the effects of different styles of channel morphology on larval dispersion and consider the implications of flow regime modifications on retention of free embryos within the Lower Missouri River. The results illustrate the complex interactions of local morphology, engineered structures, and hydraulics that determine patterns of dispersion in riverine environments and inform how changes to channel morphology and flow regime may alter dispersion of drifting organisms.</p>","language":"English","publisher":"John Wiley & Sons","publisherLocation":"Chichester, West Sussex, UK","doi":"10.1002/rra.2752","usgsCitation":"Erwin, S.O., and Jacobson, R.B., 2015, Influence of channel morphology and flow regime on larval drift of pallid sturgeon in the Lower Missouri River: River Research and Applications, v. 31, no. 5, p. 538-551, https://doi.org/10.1002/rra.2752.","productDescription":"14 p.","startPage":"538","endPage":"551","numberOfPages":"14","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-051680","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":301091,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"31","issue":"5","publishingServiceCenter":{"id":4,"text":"Rolla PSC"},"noUsgsAuthors":false,"publicationDate":"2014-04-11","publicationStatus":"PW","scienceBaseUri":"55780e2de4b032353cbeb6f6","chorus":{"doi":"10.1002/rra.2752","url":"http://dx.doi.org/10.1002/rra.2752","publisher":"Wiley-Blackwell","authors":"Erwin S. O., Jacobson R. B.","journalName":"River Research and Applications","publicationDate":"4/11/2014"},"contributors":{"authors":[{"text":"Erwin, Susannah O. 0000-0002-2799-0118 serwin@usgs.gov","orcid":"https://orcid.org/0000-0002-2799-0118","contributorId":5183,"corporation":false,"usgs":true,"family":"Erwin","given":"Susannah","email":"serwin@usgs.gov","middleInitial":"O.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":548363,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jacobson, Robert B. 0000-0002-8368-2064 rjacobson@usgs.gov","orcid":"https://orcid.org/0000-0002-8368-2064","contributorId":1289,"corporation":false,"usgs":true,"family":"Jacobson","given":"Robert","email":"rjacobson@usgs.gov","middleInitial":"B.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":548364,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70148401,"text":"70148401 - 2015 - Enhanced biological processes associated with alopecia in polar bears (<i>Ursus maritimus</i>)","interactions":[],"lastModifiedDate":"2015-06-02T09:45:59","indexId":"70148401","displayToPublicDate":"2015-06-01T10:45:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3352,"text":"Science of the Total Environment","active":true,"publicationSubtype":{"id":10}},"title":"Enhanced biological processes associated with alopecia in polar bears (<i>Ursus maritimus</i>)","docAbstract":"<p>Populations of wildlife species worldwide experience incidents of mass morbidity and mortality. Primary or secondary drivers of these events may escape classical detection methods for identifying microbial insults, toxin exposure, or additional stressors. In 2012, 28% of polar bears sampled in a study in the southern Beaufort Sea region of Alaska had varying degrees of alopecia that was concomitant with reduced body condition. Concurrently, elevated numbers of sick or dead ringed seals were detected in the southern Beaufort, Chukchi, and Bering seas in 2012, resulting in the declaration of an unusual mortality event (UME) by the National Oceanic and Atmospheric Administration (NOAA). The primary and possible ancillary causative stressors of these events are unknown, and related physiological changes within individual animals have been undetectable using classical diagnostic methods. Here we present an emerging technology as a potentially guiding investigative approach aimed at elucidating the circumstances responsible for the susceptibility of certain polar bears to observed conditions. Using transcriptomic analysis we identified enhanced biological processes including immune response, viral defense, and response to stress in polar bears with alopecia. Our results support an alternative mechanism of investigation into the causative agents that, when used proactively, could serve as an early indicator for populations and species at risk. We suggest that current or classical methods for investigation into events of unusual morbidity and mortality can be costly, sometimes unfocused, and often inconclusive. Advances in technology allow for implementation of a holistic system of surveillance and investigation that could provide early warning of health concerns in wildlife species important to humans.</p>","language":"English","publisher":"Elsevier Pub. Co.","publisherLocation":"Amsterdam","doi":"10.1016/j.scitotenv.2015.05.039","usgsCitation":"Bowen, L., Miles, A.K., Stott, J.L., Waters-Dynes, S.C., and Atwood, T.C., 2015, Enhanced biological processes associated with alopecia in polar bears (<i>Ursus maritimus</i>): Science of the Total Environment, v. 529, p. 114-120, https://doi.org/10.1016/j.scitotenv.2015.05.039.","productDescription":"7 p.","startPage":"114","endPage":"120","numberOfPages":"7","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-065435","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":472041,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.scitotenv.2015.05.039","text":"Publisher Index Page"},{"id":300964,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"529","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"556ed3bae4b0d9246a9fa7d1","chorus":{"doi":"10.1016/j.scitotenv.2015.05.039","url":"http://dx.doi.org/10.1016/j.scitotenv.2015.05.039","publisher":"Elsevier BV","authors":"Bowen Lizabeth, Keith Miles A., Stott Jeffrey, Waters Shannon, Atwood Todd","journalName":"Science of The Total Environment","publicationDate":"10/2015","auditedOn":"7/24/2015"},"contributors":{"authors":[{"text":"Bowen, Lizabeth 0000-0001-9115-4336 lbowen@usgs.gov","orcid":"https://orcid.org/0000-0001-9115-4336","contributorId":4539,"corporation":false,"usgs":true,"family":"Bowen","given":"Lizabeth","email":"lbowen@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":548001,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miles, A. Keith 0000-0002-3108-808X keith_miles@usgs.gov","orcid":"https://orcid.org/0000-0002-3108-808X","contributorId":196,"corporation":false,"usgs":true,"family":"Miles","given":"A.","email":"keith_miles@usgs.gov","middleInitial":"Keith","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":548002,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stott, Jeffrey L.","contributorId":82146,"corporation":false,"usgs":true,"family":"Stott","given":"Jeffrey","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":548003,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Waters-Dynes, Shannon C. 0000-0002-9707-4684 swaters@usgs.gov","orcid":"https://orcid.org/0000-0002-9707-4684","contributorId":5826,"corporation":false,"usgs":true,"family":"Waters-Dynes","given":"Shannon","email":"swaters@usgs.gov","middleInitial":"C.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":548004,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Atwood, Todd C. 0000-0002-1971-3110 tatwood@usgs.gov","orcid":"https://orcid.org/0000-0002-1971-3110","contributorId":4368,"corporation":false,"usgs":true,"family":"Atwood","given":"Todd","email":"tatwood@usgs.gov","middleInitial":"C.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":548005,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70148464,"text":"70148464 - 2015 - Natural trophic variability in a large, oligotrophic, near-pristine lake","interactions":[],"lastModifiedDate":"2015-06-09T09:19:21","indexId":"70148464","displayToPublicDate":"2015-06-01T10:30:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"title":"Natural trophic variability in a large, oligotrophic, near-pristine lake","docAbstract":"<p>Conclusions drawn from stable isotope data can be limited by an incomplete understanding of natural isotopic variability over time and space. We quantified spatial and temporal variability in fish carbon and nitrogen stable isotopes in Lake H&ouml;vsg&ouml;l, Mongolia, a large, remote, oligotrophic lake with an unusually species-poor fish community. The fish community demonstrated a high degree of trophic level overlap. Variability in &delta;<sup>13</sup>C was inversely related to littoral-benthic dependence, with pelagic species demonstrating more &delta;<sup>13</sup>C variability than littoral-benthic species. A mixed effects model suggested that space (sampling location) had a greater impact than time (collection year) on both &delta;<sup>13</sup>C and &delta;<sup>15</sup>N variability. The observed variability in Lake H&ouml;vsg&ouml;l was generally greater than isotopic variability documented in other large, oligotrophic lakes, similar to isotopic shifts attributed to introduced species, and less than isotopic shifts attributed to anthropogenic chemical changes such as eutrophication. This work complements studies on isotopic variability and changes in other lakes around the world.</p>","language":"English","publisher":"International Association for Great Lakes Research","publisherLocation":"Toronto","doi":"10.1016/j.jglr.2015.02.010","usgsCitation":"Young, T., Jensen, O.P., Weidel, B., and Chandra, S., 2015, Natural trophic variability in a large, oligotrophic, near-pristine lake: Journal of Great Lakes Research, v. 41, no. 2, p. 463-472, https://doi.org/10.1016/j.jglr.2015.02.010.","productDescription":"10 p.","startPage":"463","endPage":"472","numberOfPages":"10","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-056094","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":472044,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.jglr.2015.02.010","text":"Publisher Index Page"},{"id":301087,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"41","issue":"2","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55780e2fe4b032353cbeb6f8","contributors":{"authors":[{"text":"Young, Talia","contributorId":141088,"corporation":false,"usgs":false,"family":"Young","given":"Talia","email":"","affiliations":[{"id":12727,"text":"Rutgers University","active":true,"usgs":false}],"preferred":false,"id":548331,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jensen, Olaf P.","contributorId":92159,"corporation":false,"usgs":false,"family":"Jensen","given":"Olaf","email":"","middleInitial":"P.","affiliations":[{"id":12727,"text":"Rutgers University","active":true,"usgs":false}],"preferred":false,"id":548332,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Weidel, Brian 0000-0001-6095-2773 bweidel@usgs.gov","orcid":"https://orcid.org/0000-0001-6095-2773","contributorId":2485,"corporation":false,"usgs":true,"family":"Weidel","given":"Brian","email":"bweidel@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":548330,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Chandra, Sudeep","contributorId":33195,"corporation":false,"usgs":false,"family":"Chandra","given":"Sudeep","affiliations":[{"id":12742,"text":"University of Nevada Reno","active":true,"usgs":false}],"preferred":false,"id":548333,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70148410,"text":"70148410 - 2015 - Individual specialization in the foraging habits of female bottlenose dolphins living in a trophically diverse and habitat rich estuary","interactions":[],"lastModifiedDate":"2015-06-05T08:41:39","indexId":"70148410","displayToPublicDate":"2015-06-01T10:30:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2932,"text":"Oecologia","active":true,"publicationSubtype":{"id":10}},"title":"Individual specialization in the foraging habits of female bottlenose dolphins living in a trophically diverse and habitat rich estuary","docAbstract":"<p><span>We examine individual specialization in foraging habits (foraging habitat and trophic level) of female bottlenose dolphins (</span><i class=\"EmphasisTypeItalic\">Tursiops truncatus</i><span>) resident in Sarasota Bay, Florida, USA, by analyzing time series of stable isotope (&delta;</span><sup>15</sup><span>N and &delta;</span><sup>13</sup><span>C) values in sequential growth layer groups within teeth. The isotope data provide a chronology of foraging habits over the lifetime of the individual and allowed us to show that female bottlenose dolphins exhibit a high degree of individual specialization in both foraging habitat and trophic level. The foraging habits used by adult females are similar to those they used as calves and may be passed down from mother to calf through social learning. We also characterized the foraging habits and home range of each individual by constructing standard ellipses from isotope values and dolphin sightings data (latitude and longitude), respectively. These data show that Sarasota Bay bottlenose dolphins forage within a subset of the habitats in which they are observed. Moreover, females with similar observational standard ellipses often possessed different foraging specializations. Female bottlenose dolphins may demonstrate individual specialization in foraging habits because it reduces some of the cost of living in groups, such as competition for prey.</span></p>","language":"English","publisher":"Springer-Verlag","publisherLocation":"Berlin","doi":"10.1007/s00442-015-3241-6","usgsCitation":"Rossman, S., Ostrom, P., Stolen, M., Barros, N., Gandhi, H., Stricker, C.A., and Wells, R.S., 2015, Individual specialization in the foraging habits of female bottlenose dolphins living in a trophically diverse and habitat rich estuary: Oecologia, v. 178, no. 2, p. 415-425, https://doi.org/10.1007/s00442-015-3241-6.","productDescription":"11 p.","startPage":"415","endPage":"425","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-059950","costCenters":[{"id":291,"text":"Fort Collins Science 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University","active":true,"usgs":false}],"preferred":false,"id":548051,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stolen, Megan","contributorId":141032,"corporation":false,"usgs":false,"family":"Stolen","given":"Megan","email":"","affiliations":[{"id":13660,"text":"Hubbs-Sea World Research Institute","active":true,"usgs":false}],"preferred":false,"id":548048,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Barros, Nélio B.","contributorId":89053,"corporation":false,"usgs":true,"family":"Barros","given":"Nélio B.","affiliations":[],"preferred":false,"id":548049,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Gandhi, Hasand","contributorId":31300,"corporation":false,"usgs":false,"family":"Gandhi","given":"Hasand","affiliations":[],"preferred":false,"id":548050,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Stricker, Craig A. 0000-0002-5031-9437 cstricker@usgs.gov","orcid":"https://orcid.org/0000-0002-5031-9437","contributorId":1097,"corporation":false,"usgs":true,"family":"Stricker","given":"Craig","email":"cstricker@usgs.gov","middleInitial":"A.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":548046,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Wells, Randall S.","contributorId":81773,"corporation":false,"usgs":true,"family":"Wells","given":"Randall","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":548052,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70148720,"text":"70148720 - 2015 - Evaluating unsupervised methods to size and classify suspended particles using digital in-line holography","interactions":[],"lastModifiedDate":"2015-06-22T09:33:51","indexId":"70148720","displayToPublicDate":"2015-06-01T10:30:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2186,"text":"Journal of Atmospheric and Oceanic Technology","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating unsupervised methods to size and classify suspended particles using digital in-line holography","docAbstract":"<p>Substantial information can be gained from digital in-line holography of marine particles, eliminating depth-of-field and focusing errors associated with standard lens-based imaging methods. However, for the technique to reach its full potential in oceanographic research, fully unsupervised (automated) methods are required for focusing, segmentation, sizing and classification of particles. These computational challenges are the subject of this paper, in which we draw upon data collected using a variety of holographic systems developed at Plymouth University, UK, from a significant range of particle types, sizes and shapes. A new method for noise reduction in reconstructed planes is found to be successful in aiding particle segmentation and sizing. The performance of an automated routine for deriving particle characteristics (and subsequent size distributions) is evaluated against equivalent size metrics obtained by a trained operative measuring grain axes on screen. The unsupervised method is found to be reliable, despite some errors resulting from over-segmentation of particles. A simple unsupervised particle classification system is developed, and is capable of successfully differentiating sand grains, bubbles and diatoms from within the surf-zone. Avoiding miscounting bubbles and biological particles as sand grains enables more accurate estimates of sand concentrations, and is especially important in deployments of particle monitoring instrumentation in aerated water. Perhaps the greatest potential for further development in the computational aspects of particle holography is in the area of unsupervised particle classification. The simple method proposed here provides a foundation upon which further development could lead to reliable identification of more complex particle populations, such as those containing phytoplankton, zooplankton, flocculated cohesive sediments and oil droplets.</p>","language":"English","publisher":"American Meteorological Society","publisherLocation":"Boston, MA","doi":"10.1175/JTECH-D-14-00157.1","usgsCitation":"Davies, E.J., Buscombe, D.D., Graham, G.W., and Nimmo-Smith, W.A., 2015, Evaluating unsupervised methods to size and classify suspended particles using digital in-line holography: Journal of Atmospheric and Oceanic Technology, v. 32, no. 6, p. 1241-1256, https://doi.org/10.1175/JTECH-D-14-00157.1.","productDescription":"16 p.","startPage":"1241","endPage":"1256","numberOfPages":"16","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-059230","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":488748,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://hdl.handle.net/10026.1/3758","text":"External Repository"},{"id":301400,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"32","issue":"6","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"558931bee4b0b6d21dd61bdc","contributors":{"authors":[{"text":"Davies, Emlyn J.","contributorId":141257,"corporation":false,"usgs":false,"family":"Davies","given":"Emlyn","email":"","middleInitial":"J.","affiliations":[{"id":13725,"text":"Dept. of Environmental Technology, SINTEF Materials and Chemistry, Norway","active":true,"usgs":false}],"preferred":false,"id":549098,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Buscombe, Daniel D. 0000-0001-6217-5584 dbuscombe@usgs.gov","orcid":"https://orcid.org/0000-0001-6217-5584","contributorId":5020,"corporation":false,"usgs":false,"family":"Buscombe","given":"Daniel","email":"dbuscombe@usgs.gov","middleInitial":"D.","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":549097,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Graham, George W.","contributorId":141258,"corporation":false,"usgs":false,"family":"Graham","given":"George","email":"","middleInitial":"W.","affiliations":[{"id":13726,"text":"Sir Alister Hardy Foundation for Ocean Science, Plymouth UK","active":true,"usgs":false}],"preferred":false,"id":549099,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nimmo-Smith, W. Alex M.","contributorId":141259,"corporation":false,"usgs":false,"family":"Nimmo-Smith","given":"W.","email":"","middleInitial":"Alex M.","affiliations":[{"id":590,"text":"U.S. Army Corps of Engineers","active":false,"usgs":false}],"preferred":false,"id":549100,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70148462,"text":"70148462 - 2015 - Unintended consequences of management actions in salt pond restoration: cascading effects in trophic interactions","interactions":[],"lastModifiedDate":"2018-09-04T15:41:19","indexId":"70148462","displayToPublicDate":"2015-06-01T10:30:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2980,"text":"PLoS ONE","active":true,"publicationSubtype":{"id":10}},"title":"Unintended consequences of management actions in salt pond restoration: cascading effects in trophic interactions","docAbstract":"<p>Salt evaporation ponds have played an important role as habitat for migratory waterbirds across the world, however, efforts to restore and manage these habitats to maximize their conservation value has proven to be challenging. For example, salinity reduction has been a goal for restoring and managing former salt evaporation ponds to support waterbirds in the South Bay Salt Pond Restoration Project in San Francisco Bay, California, USA. Here, we describe a case study of unexpected consequences of a low-dissolved oxygen (DO) event on trophic interactions in a salt pond system following management actions to reduce salinity concentrations. We document the ramifications of an anoxic event in water quality including salinity, DO, and temperature, and in the response of the biota including prey fish biomass, numerical response by California Gulls (Larus californicus), and chick survival of Forster's Tern (Sterna forsteri). Management actions intended to protect receiving waters resulted in decreased DO concentrations that collapsed to zero for &ge; 4 consecutive days, resulting in an extensive fish kill. DO depletion likely resulted from an algal bloom that arose following transition of the pond system from high to low salinity as respiration and decomposition outpaced photosynthetic production. We measured a &ge; 6-fold increase in biomass of fish dropped on the levee by foraging avian predators compared with weeks prior to and following the low-DO event. California Gulls rapidly responded to the availability of aerobically-stressed and vulnerable fish and increased in abundance by two orders of magnitude. Mark-recapture analysis of 254 Forster's Tern chicks indicated that their survival declined substantially following the increase in gull abundance. Thus, management actions to reduce salinity concentrations resulted in cascading effects in trophic interactions that serves as a cautionary tale illustrating the importance of understanding the interaction of water quality and trophic structure when managing restoration of salt ponds.</p>","language":"English","publisher":"Public Library of Science","publisherLocation":"San Francisco, CA","doi":"10.1371/journal.pone.0119345","usgsCitation":"Takekawa, J.Y., Ackerman, J., Brand, A., Graham, T.R., Eagles-Smith, C.A., Herzog, M.P., Topping, B.R., Shellenbarger, G., Kuwabara, J.S., Mruz, E., Piotter, S.L., and Athearn, N.D., 2015, Unintended consequences of management actions in salt pond restoration: cascading effects in trophic interactions: PLoS ONE, v. 10, no. 6, p. 1-15, https://doi.org/10.1371/journal.pone.0119345.","productDescription":"15 p.","startPage":"1","endPage":"15","numberOfPages":"15","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-051529","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true},{"id":34983,"text":"Contaminant Biology Program","active":true,"usgs":true}],"links":[{"id":472045,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1371/journal.pone.0119345","text":"Publisher Index Page"},{"id":301088,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"10","issue":"6","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationDate":"2015-06-01","publicationStatus":"PW","scienceBaseUri":"55780e32e4b032353cbeb6fb","contributors":{"authors":[{"text":"Takekawa, John Y. 0000-0003-0217-5907 john_takekawa@usgs.gov","orcid":"https://orcid.org/0000-0003-0217-5907","contributorId":176168,"corporation":false,"usgs":true,"family":"Takekawa","given":"John","email":"john_takekawa@usgs.gov","middleInitial":"Y.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":548317,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ackerman, Joshua T. 0000-0002-3074-8322 jackerman@usgs.gov","orcid":"https://orcid.org/0000-0002-3074-8322","contributorId":147078,"corporation":false,"usgs":true,"family":"Ackerman","given":"Joshua T.","email":"jackerman@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":548318,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brand, Arriana","contributorId":138613,"corporation":false,"usgs":false,"family":"Brand","given":"Arriana","email":"","affiliations":[{"id":6676,"text":"USGS (retired)","active":true,"usgs":false}],"preferred":false,"id":548319,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Graham, Tanya R. 0000-0002-4606-6721 tgraham@usgs.gov","orcid":"https://orcid.org/0000-0002-4606-6721","contributorId":4771,"corporation":false,"usgs":true,"family":"Graham","given":"Tanya","email":"tgraham@usgs.gov","middleInitial":"R.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":548320,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Eagles-Smith, Collin A. 0000-0003-1329-5285 ceagles-smith@usgs.gov","orcid":"https://orcid.org/0000-0003-1329-5285","contributorId":505,"corporation":false,"usgs":true,"family":"Eagles-Smith","given":"Collin","email":"ceagles-smith@usgs.gov","middleInitial":"A.","affiliations":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true},{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":548321,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Herzog, Mark P. 0000-0002-5203-2835 mherzog@usgs.gov","orcid":"https://orcid.org/0000-0002-5203-2835","contributorId":131158,"corporation":false,"usgs":true,"family":"Herzog","given":"Mark","email":"mherzog@usgs.gov","middleInitial":"P.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":548322,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Topping, Brent R. 0000-0002-7887-4221 btopping@usgs.gov","orcid":"https://orcid.org/0000-0002-7887-4221","contributorId":1484,"corporation":false,"usgs":true,"family":"Topping","given":"Brent","email":"btopping@usgs.gov","middleInitial":"R.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":548323,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Shellenbarger, Gregory gshellen@usgs.gov","contributorId":1133,"corporation":false,"usgs":true,"family":"Shellenbarger","given":"Gregory","email":"gshellen@usgs.gov","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":false,"id":548324,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Kuwabara, James S. 0000-0003-2502-1601 kuwabara@usgs.gov","orcid":"https://orcid.org/0000-0003-2502-1601","contributorId":3374,"corporation":false,"usgs":true,"family":"Kuwabara","given":"James","email":"kuwabara@usgs.gov","middleInitial":"S.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":548325,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Mruz, Eric","contributorId":141086,"corporation":false,"usgs":false,"family":"Mruz","given":"Eric","email":"","affiliations":[{"id":13673,"text":"Don Edwards San Francisco Bay National Wildlife Refuge, USFWS","active":true,"usgs":false}],"preferred":false,"id":548326,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Piotter, Sara L.","contributorId":141087,"corporation":false,"usgs":false,"family":"Piotter","given":"Sara","email":"","middleInitial":"L.","affiliations":[{"id":12611,"text":"USGS WERC, Las Vegas Field Station","active":true,"usgs":false}],"preferred":false,"id":548327,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Athearn, Nicole D.","contributorId":71273,"corporation":false,"usgs":true,"family":"Athearn","given":"Nicole","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":548328,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}}
,{"id":70148554,"text":"70148554 - 2015 - Computational fluid dynamics-habitat suitability index (CFD-HSI) modelling as an exploratory tool for assessing passability of riverine migratory challenge zones for fish","interactions":[],"lastModifiedDate":"2015-06-12T09:17:06","indexId":"70148554","displayToPublicDate":"2015-06-01T10:15:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3301,"text":"River Research and Applications","active":true,"publicationSubtype":{"id":10}},"title":"Computational fluid dynamics-habitat suitability index (CFD-HSI) modelling as an exploratory tool for assessing passability of riverine migratory challenge zones for fish","docAbstract":"<p>We developed two-dimensional computational fluid hydraulics-habitat suitability index (CFD-HSI) models to identify and qualitatively assess potential zones of shallow water depth and high water velocity that may present passage challenges for five major anadromous fish species in a 2.63-km reach of the main stem Penobscot River, Maine, as a result of a dam removal downstream of the reach. Suitability parameters were based on distribution of fish lengths and body depths and transformed to cruising, maximum sustained and sprint swimming speeds. Zones of potential depth and velocity challenges were calculated based on the hydraulic models; ability of fish to pass a challenge zone was based on the percent of river channel that the contiguous zone spanned and its maximum along-current length. Three river flows (low: 99.1 m<sup>3</sup> sec<sup>-1</sup>; normal: 344.9 m<sup>3</sup> sec<sup>-1</sup>; and high: 792.9 m<sup>3</sup> sec<sup>-1</sup>) were modelled to simulate existing hydraulic conditions and hydraulic conditions simulating removal of a dam at the downstream boundary of the reach. Potential depth challenge zones were nonexistent for all low-flow simulations of existing conditions for deeper-bodied fishes. Increasing flows for existing conditions and removal of the dam under all flow conditions increased the number and size of potential velocity challenge zones, with the effects of zones being more pronounced for smaller species. The two-dimensional CFD-HSI model has utility in demonstrating gross effects of flow and hydraulic alteration, but may not be as precise a predictive tool as a three-dimensional model. Passability of the potential challenge zones cannot be precisely quantified for two-dimensional or three-dimensional models due to untested assumptions and incomplete data on fish swimming performance and behaviours.</p>","language":"English","publisher":"John Wiley & Sons","publisherLocation":"Chichester, West Sussex, UK","doi":"10.1002/rra.2911","usgsCitation":"Haro, A.J., Chelminski, M., and Dudley, R.W., 2015, Computational fluid dynamics-habitat suitability index (CFD-HSI) modelling as an exploratory tool for assessing passability of riverine migratory challenge zones for fish: River Research and Applications, v. 31, no. 5, p. 526-537, https://doi.org/10.1002/rra.2911.","productDescription":"12 p.","startPage":"526","endPage":"537","numberOfPages":"12","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-049212","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":301180,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"31","issue":"5","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationDate":"2015-06-08","publicationStatus":"PW","scienceBaseUri":"557c02c5e4b023124e8edf09","contributors":{"authors":[{"text":"Haro, Alexander J. 0000-0002-7188-9172 aharo@usgs.gov","orcid":"https://orcid.org/0000-0002-7188-9172","contributorId":2917,"corporation":false,"usgs":true,"family":"Haro","given":"Alexander","email":"aharo@usgs.gov","middleInitial":"J.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":548605,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chelminski, Michael","contributorId":9532,"corporation":false,"usgs":true,"family":"Chelminski","given":"Michael","email":"","affiliations":[],"preferred":false,"id":548606,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dudley, Robert W. 0000-0002-0934-0568 rwdudley@usgs.gov","orcid":"https://orcid.org/0000-0002-0934-0568","contributorId":2223,"corporation":false,"usgs":true,"family":"Dudley","given":"Robert","email":"rwdudley@usgs.gov","middleInitial":"W.","affiliations":[{"id":371,"text":"Maine Water Science Center","active":true,"usgs":true},{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":548607,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70160463,"text":"70160463 - 2015 - Stable isotopes suggest low site fidelity in Bar-Headed Geese (Anser indicus) in Mongolia: Implications for disease transmission","interactions":[],"lastModifiedDate":"2021-08-31T14:56:02.468976","indexId":"70160463","displayToPublicDate":"2015-06-01T09:30:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3731,"text":"Waterbirds","onlineIssn":"19385390","printIssn":"15244695","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Stable isotopes suggest low site fidelity in Bar-Headed Geese (<i>Anser indicus</i>) in Mongolia: Implications for disease transmission","title":"Stable isotopes suggest low site fidelity in Bar-Headed Geese (Anser indicus) in Mongolia: Implications for disease transmission","docAbstract":"<p>Population connectivity is an important consideration in studies of disease transmission and biological conservation, especially with regard to migratory species. Determining how and when different subpopulations intermingle during different phases of the annual cycle can help identify important geographical regions or features as targets for conservation efforts and can help inform our understanding of continental-scale disease transmission. In this study, stable isotopes of hydrogen and carbon in contour feathers were used to assess the degree of molt-site fidelity among Bar-headed Geese (<i>Anser indicus</i>) captured in north-central Mongolia. Samples were collected from actively molting Bar-headed Geese (<i>n</i> = 61), and some individual samples included both a newly grown feather (still in sheath) and an old, worn feather from the bird's previous molt (<i>n</i> = 21). Although there was no difference in mean hydrogen isotope ratios for the old and new feathers, the isotopic variance in old feathers was approximately three times higher than that of the new feathers, which suggests that these birds use different and geographically distant molting locations from year to year. To further test this conclusion, online data and modeling tools from the isoMAP website were used to generate probability landscapes for the origin of each feather. Likely molting locations were much more widespread for old feathers than for new feathers, which supports the prospect of low molt-site fidelity. This finding indicates that population connectivity would be greater than expected based on data from a single annual cycle, and that disease spread can be rapid even in areas like Mongolia where Bar-headed Geese generally breed in small isolated groups.</p>","language":"English","publisher":"The Waterbird Society","publisherLocation":"Washington D.C.","doi":"10.1675/063.038.0201","usgsCitation":"Bridge, E., Kelly, J., Xiao, X., Batbayar, N., Natsagdorj, T., Hill, N., Takekawa, J.Y., Hawkes, L.A., Bishop, C.M., Butler, P.J., and Newman, S.H., 2015, Stable isotopes suggest low site fidelity in Bar-Headed Geese (Anser indicus) in Mongolia: Implications for disease transmission: Waterbirds, v. 38, no. 2, p. 123-132, https://doi.org/10.1675/063.038.0201.","productDescription":"10 p.","startPage":"123","endPage":"132","numberOfPages":"10","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-064859","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":472046,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1675/063.038.0201","text":"Publisher Index 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H.","contributorId":101372,"corporation":false,"usgs":true,"family":"Newman","given":"Scott","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":582983,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70217070,"text":"70217070 - 2015 - Exploration review","interactions":[],"lastModifiedDate":"2021-01-01T15:28:46.980044","indexId":"70217070","displayToPublicDate":"2015-06-01T08:36:18","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Exploration review","docAbstract":"<p>This summary of international mineral exploration activities for the year 2014 draws upon information from industry sources, published literature, and specialists in the U.S. Geological Survey (USGS) National Minerals Information Center.&nbsp; The summary provides data on exploration budgets by region and mineral commodity, identifies significant mineral discoveries and areas of mineral exploration, discusses government programs affecting the mineral exploration industry, and presents analyses of exploration activities performed by the mineral industry</p>","language":"English","publisher":"Society for Mining, Metallurgy & Exploration","usgsCitation":"Wilburn, D.R., Stanley, K.A., and Karl, N.A., 2015, Exploration review: Mining Engineering, no. May, p. 16-38.","productDescription":"23 p.","startPage":"16","endPage":"38","ipdsId":"IP-064630","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":381830,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"May","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Wilburn, David R. 0000-0002-5371-7617 wilburn@usgs.gov","orcid":"https://orcid.org/0000-0002-5371-7617","contributorId":246004,"corporation":false,"usgs":true,"family":"Wilburn","given":"David","email":"wilburn@usgs.gov","middleInitial":"R.","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":true,"id":807476,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stanley, Karyn A.","contributorId":246005,"corporation":false,"usgs":true,"family":"Stanley","given":"Karyn","email":"","middleInitial":"A.","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":true,"id":807477,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Karl, Nick A 0000-0003-2858-2498","orcid":"https://orcid.org/0000-0003-2858-2498","contributorId":246006,"corporation":false,"usgs":true,"family":"Karl","given":"Nick","email":"","middleInitial":"A","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":true,"id":807478,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70155973,"text":"70155973 - 2015 - Stress- and structure-controlled anisotropy in a region of complex faulting—Yuha Desert, California","interactions":[],"lastModifiedDate":"2015-08-13T15:15:12","indexId":"70155973","displayToPublicDate":"2015-06-01T01:15:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1803,"text":"Geophysical Journal International","active":true,"publicationSubtype":{"id":10}},"title":"Stress- and structure-controlled anisotropy in a region of complex faulting—Yuha Desert, California","docAbstract":"<p>We examine shear velocity anisotropy in the Yuha Desert, California using aftershocks of the 2010 M7.2 El Mayor-Cucapah earthquake. The Yuha Desert is underlain by a complex network of right- and left-lateral conjugate faults, some of which experienced triggered slip during the El Mayor-Cucapah earthquake. An automated method that implements multiple measurement windows and a range of bandpass filters is used to estimate the fast direction (<i>ϕ</i>) and delay time (<i>&delta;t</i>) of the split shear waves. We find an average <i>ϕ</i> oriented approximately north&ndash;south suggesting it is primarily controlled by the regional maximum compressive stress direction. However, the spatial variability in <i>ϕ</i> reveals that the fault structures that underlie the Yuha Desert also influence the measured splitting parameters. We infer that the northeast- and northwest-oriented <i>ϕ</i> reflect shear fabric subparallel to the conjugate fault structures. We do not observe a simple correlation between <i>&delta;t</i> and hypocentral distance. Instead, the observed spatial variation in <i>&delta;t</i> suggests that near-source variation in anisotropic strength may be equal to or more important than effects local to the station. No temporal variation in splitting parameters is observed during the 70-day period following the main shock. In this region of complex faulting, we observe a spatially variable pattern of anisotropy that is both stress- and structure-controlled. This study suggests that shear fabric can form even along short, discontinuous fault strands with minimal offset. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</p>","language":"English","publisher":"Oxford University Press","doi":"10.1093/gji/ggv191","usgsCitation":"Cochran, E.S., and Kroll, K.A., 2015, Stress- and structure-controlled anisotropy in a region of complex faulting—Yuha Desert, California: Geophysical Journal International, v. 202, no. 2, p. 1109-1121, https://doi.org/10.1093/gji/ggv191.","productDescription":"13 p.","startPage":"1109","endPage":"1121","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-060823","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":306683,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Yuha Desert","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -115.94970703125,\n              32.616243412727385\n            ],\n            [\n              -115.94970703125,\n              32.794201303793194\n            ],\n            [\n              -115.65582275390624,\n              32.794201303793194\n            ],\n            [\n              -115.65582275390624,\n              32.616243412727385\n            ],\n            [\n              -115.94970703125,\n              32.616243412727385\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"202","issue":"2","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2015-06-26","publicationStatus":"PW","scienceBaseUri":"55cdbfbce4b08400b1fe143c","contributors":{"authors":[{"text":"Cochran, Elizabeth S. 0000-0003-2485-4484 ecochran@usgs.gov","orcid":"https://orcid.org/0000-0003-2485-4484","contributorId":2025,"corporation":false,"usgs":true,"family":"Cochran","given":"Elizabeth","email":"ecochran@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":567482,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kroll, Kayla A.","contributorId":146335,"corporation":false,"usgs":false,"family":"Kroll","given":"Kayla","email":"","middleInitial":"A.","affiliations":[{"id":6984,"text":"UC Riverside","active":true,"usgs":false}],"preferred":false,"id":567483,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70187299,"text":"70187299 - 2015 - Incidental captures of Eastern Spotted Skunk in a high-elevation Red Spruce forest in Virginia","interactions":[],"lastModifiedDate":"2017-04-27T15:14:13","indexId":"70187299","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2898,"text":"Northeastern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Incidental captures of Eastern Spotted Skunk in a high-elevation Red Spruce forest in Virginia","docAbstract":"<p><i>Spilogale putorius</i><span> (Eastern Spotted Skunk) is considered rare in the southern Appalachian Mountains and throughout much of its range. We report incidental captures of 6 Eastern Spotted Skunks in a high-elevation </span><i>Picea rubens</i><span> (Red Spruce) forest in southwestern Virginia during late February and March 2014. At 1520 m, these observations are the highest-elevation records for Eastern Spotted Skunk in the Appalachian Mountains. They are also the first known records of this species using Red Spruce forests in the southern Appalachians.</span></p>","language":"English","publisher":"Eagle Hill Institute","doi":"10.1656/045.022.0211","usgsCitation":"Diggins, C.A., Jachowski, D.S., Martin, J., and Ford, W.M., 2015, Incidental captures of Eastern Spotted Skunk in a high-elevation Red Spruce forest in Virginia: Northeastern Naturalist, v. 22, no. 2, p. N6-N10, https://doi.org/10.1656/045.022.0211.","productDescription":"5 p.","startPage":"N6","endPage":"N10","ipdsId":"IP-058547","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":340535,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"2","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59030327e4b0e862d230f73f","contributors":{"authors":[{"text":"Diggins, Corinne A.","contributorId":171667,"corporation":false,"usgs":false,"family":"Diggins","given":"Corinne","email":"","middleInitial":"A.","affiliations":[{"id":33131,"text":"Dept of Fish and Wildlife Conservation, Virginia Tech","active":true,"usgs":false}],"preferred":false,"id":693252,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jachowski, David S.","contributorId":82966,"corporation":false,"usgs":true,"family":"Jachowski","given":"David","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":693253,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martin, Jay","contributorId":169561,"corporation":false,"usgs":false,"family":"Martin","given":"Jay","affiliations":[{"id":16172,"text":"Ohio State University, Columbus, OH","active":true,"usgs":false}],"preferred":false,"id":693254,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ford, W. Mark wford@usgs.gov","contributorId":3858,"corporation":false,"usgs":true,"family":"Ford","given":"W.","email":"wford@usgs.gov","middleInitial":"Mark","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":false,"id":693231,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70189347,"text":"70189347 - 2015 - Variability and trends in global drought","interactions":[],"lastModifiedDate":"2017-07-11T16:13:35","indexId":"70189347","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5026,"text":"Earth and Space Science","active":true,"publicationSubtype":{"id":10}},"title":"Variability and trends in global drought","docAbstract":"<p><span>Monthly precipitation (</span><i>P</i><span>) and potential evapotranspiration (PET) from the CRUTS3.1 data set are used to compute monthly<span>&nbsp;</span></span><i>P</i><span><span>&nbsp;</span>minus PET (PMPE) for the land areas of the globe. The percent of the global land area with annual sums of PMPE less than zero are used as an index of global drought (%drought) for 1901 through 2009. Results indicate that for the past century %drought has not changed, even though global PET and temperature (</span><i>T</i><span>) have increased. Although annual global PET and<span>&nbsp;</span></span><i>T</i><span><span>&nbsp;</span>have increased, annual global<span>&nbsp;</span></span><i>P</i><span><span>&nbsp;</span>also has increased and has mitigated the effects of increased PET on %drought.</span></p>","language":"English","publisher":"AGU","doi":"10.1002/2015EA000100","usgsCitation":"McCabe, G., and Wolock, D.M., 2015, Variability and trends in global drought: Earth and Space Science, v. 2, no. 6, p. 223-228, https://doi.org/10.1002/2015EA000100.","productDescription":"6 p.","startPage":"223","endPage":"228","ipdsId":"IP-065117","costCenters":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":472051,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/2015ea000100","text":"Publisher Index Page"},{"id":343610,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","issue":"6","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2015-06-27","publicationStatus":"PW","scienceBaseUri":"5965b492e4b0d1f9f05b382a","contributors":{"authors":[{"text":"McCabe, Gregory J. 0000-0002-9258-2997 gmccabe@usgs.gov","orcid":"https://orcid.org/0000-0002-9258-2997","contributorId":1453,"corporation":false,"usgs":true,"family":"McCabe","given":"Gregory J.","email":"gmccabe@usgs.gov","affiliations":[{"id":218,"text":"Denver Federal Center","active":false,"usgs":true}],"preferred":false,"id":704312,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wolock, David M. 0000-0002-6209-938X dwolock@usgs.gov","orcid":"https://orcid.org/0000-0002-6209-938X","contributorId":540,"corporation":false,"usgs":true,"family":"Wolock","given":"David","email":"dwolock@usgs.gov","middleInitial":"M.","affiliations":[{"id":353,"text":"Kansas Water Science Center","active":false,"usgs":true},{"id":503,"text":"Office of Water Quality","active":true,"usgs":true},{"id":27111,"text":"National Water Quality Program","active":true,"usgs":true},{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true}],"preferred":true,"id":704313,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70159334,"text":"70159334 - 2015 - A new species of <i>Cryptotis</i> (Mammalia, Eulipotyphla, Soricidae) from the Sierra de Perijá, Venezuelan-Colombian Andes","interactions":[],"lastModifiedDate":"2015-10-22T09:21:24","indexId":"70159334","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2373,"text":"Journal of Mammalogy","onlineIssn":"1545-1542","printIssn":"0022-2372","active":true,"publicationSubtype":{"id":10}},"title":"A new species of <i>Cryptotis</i> (Mammalia, Eulipotyphla, Soricidae) from the Sierra de Perijá, Venezuelan-Colombian Andes","docAbstract":"<p>The Sierra de Perij&aacute; is the northern extension of the Cordillera Oriental of the Andes and includes part of the border between Colombia and Venezuela. The population of small-eared shrews (Mammalia, Eulipotyphla, Soricidae, Cryptotis) inhabiting the Sierra de Perij&aacute; previously was known from only a single skull from an individual collected in Colombia in 1989. This specimen had been referred to alternatively as C. thomasi and C. meridensis, but more precise definition of the known Colombian and Venezuelan species of Cryptotis has since excluded the Sierra de Perij&aacute; population from any named species. The recent collection of a specimen from the Venezuelan slope of Sierra de Perij&aacute;, prompted us to re-evaluate the taxonomic status of this population and determine its relationship with other Andean shrews. Our examination of the available specimens revealed that they possess a unique suite of morphological and morphometrical characters, and we describe the Sierra de Perij&aacute; population as a new species in the South American C. thomasi species group. Recognition of this new species adds to our knowledge of this genus in South America and to the biodiversity of the Sierra de Perij&aacute;.</p>","language":"English","publisher":"Oxford University Press","doi":"10.1093/jmammal/gyv085","usgsCitation":"Quiroga-Carmona, M., and Woodman, N., 2015, A new species of <i>Cryptotis</i> (Mammalia, Eulipotyphla, Soricidae) from the Sierra de Perijá, Venezuelan-Colombian Andes: Journal of Mammalogy, v. 96, no. 4, p. 800-809, https://doi.org/10.1093/jmammal/gyv085.","productDescription":"10 p.","startPage":"800","endPage":"809","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-062343","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":472059,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/jmammal/gyv085","text":"Publisher Index Page"},{"id":310332,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Columbia, Venezuela","otherGeospatial":"Sierra de Perija","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -73.29254150390625,\n              9.700935243407013\n            ],\n            [\n              -73.29254150390625,\n              10.38246684741556\n            ],\n            [\n              -72.59490966796875,\n              10.38246684741556\n            ],\n            [\n              -72.59490966796875,\n              9.700935243407013\n            ],\n            [\n              -73.29254150390625,\n              9.700935243407013\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"96","issue":"4","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationDate":"2015-06-03","publicationStatus":"PW","scienceBaseUri":"562a08aae4b011227bf1fd28","contributors":{"authors":[{"text":"Quiroga-Carmona, Marcial","contributorId":149354,"corporation":false,"usgs":false,"family":"Quiroga-Carmona","given":"Marcial","email":"","affiliations":[{"id":17716,"text":"Laboratorio de Paleontología, Centro de Ecología, Instituto Venezolano de Investigaciones Científicas. Apartado postal 21827, Caracas 1020-A, Venezuela","active":true,"usgs":false}],"preferred":false,"id":578047,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Woodman, Neal 0000-0003-2689-7373 nwoodman@usgs.gov","orcid":"https://orcid.org/0000-0003-2689-7373","contributorId":3547,"corporation":false,"usgs":true,"family":"Woodman","given":"Neal","email":"nwoodman@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":578046,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70159741,"text":"70159741 - 2015 - Climate change projections for lake whitefish (<i>Coregonus clupeaformis</i>) recruitment in the 1836 Treaty Waters of the Upper Great Lakes","interactions":[],"lastModifiedDate":"2018-04-24T13:48:14","indexId":"70159741","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"title":"Climate change projections for lake whitefish (<i>Coregonus clupeaformis</i>) recruitment in the 1836 Treaty Waters of the Upper Great Lakes","docAbstract":"<p><span>Lake whitefish (</span><i>Coregonus clupeaformis</i><span>) is an ecologically, culturally, and economically important species in the Laurentian Great Lakes. Lake whitefish have been a staple food source for thousands of years and, since 1980, have supported the most economically valuable (annual catch value</span><span>&nbsp;</span><span>≈</span><span>&nbsp;</span><span>US$16.6 million) and productive (annual harvest</span><span>&nbsp;</span><span>≈</span><span>&nbsp;</span><span>7 million kg) commercial fishery in the upper Great Lakes (Lakes Huron, Michigan, and Superior). Climate changes, specifically changes in temperature, wind, and ice cover, are expected to impact the ecology, production dynamics, and value of this fishery because the success of recruitment to the fishery has been linked with these climatic variables. We used linear regression to determine the relationship between fall and spring air temperature indices, fall wind speed, winter ice cover, and lake whitefish recruitment in 13 management units located in the 1836 Treaty Waters of the Upper Great Lakes ceded by the Ottawa and Chippewa nations, a culturally and commercially important region for the lake whitefish fishery. In eight of the 13 management units evaluated, models including one or more climate variables (temperature, wind, ice cover) explained significantly more variation in recruitment than models with only the stock–recruitment relationship, using corrected Akaike's Information Criterion comparisons (ΔAICc</span><span>&nbsp;</span><span>&gt;</span><span>&nbsp;</span><span>3). Isolating the climate–recruitment relationship and projecting recruitment with the Coupled Hydrosphere-Atmosphere Research Model (CHARM) indicated the potential for increased lake whitefish recruitment in the majority of the 1836 Treaty Waters management units. These results can inform adaptive management strategies by providing anticipated implications of climate on lake whitefish recruitment.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jglr.2015.03.015","usgsCitation":"Lynch, A., Taylor, W., Beard, T., and Lofgren, B.M., 2015, Climate change projections for lake whitefish (<i>Coregonus clupeaformis</i>) recruitment in the 1836 Treaty Waters of the Upper Great Lakes: Journal of Great Lakes Research, v. 41, no. 2, p. 415-422, https://doi.org/10.1016/j.jglr.2015.03.015.","productDescription":"8 p.","startPage":"415","endPage":"422","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-058029","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":311552,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Lake Huron, Lake Michigan, Lake Superior","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -86.8798828125,\n              41.68932225997044\n            ],\n            [\n              -86.3525390625,\n              42.04929263868686\n            ],\n            [\n              -86.1328125,\n              42.68243539838623\n            ],\n            [\n              -86.33056640625,\n              43.45291889355465\n            ],\n            [\n              -86.2646484375,\n              44.15068115978091\n            ],\n            [\n              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W.","affiliations":[],"preferred":false,"id":580302,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"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":580300,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lofgren, Brent M.","contributorId":139534,"corporation":false,"usgs":false,"family":"Lofgren","given":"Brent","email":"","middleInitial":"M.","affiliations":[{"id":12789,"text":"NOAA Great Lakes Environmental Research Laboratory","active":true,"usgs":false}],"preferred":false,"id":580303,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70159740,"text":"70159740 - 2015 - Forecasting wildlife response to rapid warming in the Alaskan Arctic","interactions":[],"lastModifiedDate":"2020-12-17T20:55:44.271773","indexId":"70159740","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":997,"text":"BioScience","active":true,"publicationSubtype":{"id":10}},"title":"Forecasting wildlife response to rapid warming in the Alaskan Arctic","docAbstract":"<p><span class=\"ScopusTermHighlight\">Arctic</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">wildlife</span><span>&nbsp;species face a dynamic and increasingly novel environment because of climate&nbsp;</span><span class=\"ScopusTermHighlight\">warming</span><span>&nbsp;and the associated increase&nbsp;</span><span class=\"ScopusTermHighlight\">in</span><span>&nbsp;human activity. Both marine and terrestrial environments are undergoing&nbsp;</span><span class=\"ScopusTermHighlight\">rapid</span><span>&nbsp;environmental shifts, including loss of sea ice, permafrost degradation, and altered biogeochemical fluxes.&nbsp;</span><span class=\"ScopusTermHighlight\">Forecasting</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">wildlife</span><span>&nbsp;responses to climate change can facilitate proactive decisions that balance stewardship with resource development.&nbsp;</span><span class=\"ScopusTermHighlight\">In</span><span>&nbsp;this article, we discuss the primary and secondary responses to physical climate-related drivers&nbsp;</span><span class=\"ScopusTermHighlight\">in</span><span>&nbsp;the&nbsp;</span><span class=\"ScopusTermHighlight\">Arctic</span><span>, associated&nbsp;</span><span class=\"ScopusTermHighlight\">wildlife</span><span>&nbsp;responses, and additional sources of complexity&nbsp;</span><span class=\"ScopusTermHighlight\">in</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">forecasting</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">wildlife</span><span>&nbsp;population outcomes. Although the effects of&nbsp;</span><span class=\"ScopusTermHighlight\">warming</span><span>&nbsp;on&nbsp;</span><span class=\"ScopusTermHighlight\">wildlife</span><span>&nbsp;populations are becoming increasingly well documented&nbsp;</span><span class=\"ScopusTermHighlight\">in</span><span>&nbsp;the scientific literature, clear mechanistic links are often difficult to establish. An integrated science approach and robust modeling tools are necessary to make predictions and determine resiliency to change. We provide a conceptual framework and introduce examples relevant for developing&nbsp;</span><span class=\"ScopusTermHighlight\">wildlife</span><span>&nbsp;forecasts useful to management decisions. © 2015 Published by Oxford University Press on behalf of the American Institute of Biological Sciences 2014. This work is written by US Government employees and is&nbsp;</span><span class=\"ScopusTermHighlight\">in</span><span>&nbsp;the public domain&nbsp;</span><span class=\"ScopusTermHighlight\">in</span><span>&nbsp;the US.</span></p>","language":"English","publisher":"Oxford University Press","doi":"10.1093/biosci/biv069","issn":"00063568","usgsCitation":"Van Hemert, C.R., Flint, P.L., Udevitz, M.S., Koch, J.C., Atwood, T.C., Oakley, K.L., and Pearce, J.M., 2015, Forecasting wildlife response to rapid warming in the Alaskan Arctic: BioScience, v. 65, no. 7, p. 718-728, https://doi.org/10.1093/biosci/biv069.","productDescription":"11 p.","startPage":"718","endPage":"728","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-055518","costCenters":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"links":[{"id":472052,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/biosci/biv069","text":"Publisher Index 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cvanhemert@usgs.gov","orcid":"https://orcid.org/0000-0002-6858-7165","contributorId":3592,"corporation":false,"usgs":true,"family":"Van Hemert","given":"Caroline","email":"cvanhemert@usgs.gov","middleInitial":"R.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":580293,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flint, Paul L. 0000-0002-8758-6993 pflint@usgs.gov","orcid":"https://orcid.org/0000-0002-8758-6993","contributorId":3284,"corporation":false,"usgs":true,"family":"Flint","given":"Paul","email":"pflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":580294,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Udevitz, Mark S. 0000-0003-4659-138X mudevitz@usgs.gov","orcid":"https://orcid.org/0000-0003-4659-138X","contributorId":3189,"corporation":false,"usgs":true,"family":"Udevitz","given":"Mark","email":"mudevitz@usgs.gov","middleInitial":"S.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":580295,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Koch, Joshua C. 0000-0001-7180-6982 jkoch@usgs.gov","orcid":"https://orcid.org/0000-0001-7180-6982","contributorId":202532,"corporation":false,"usgs":true,"family":"Koch","given":"Joshua","email":"jkoch@usgs.gov","middleInitial":"C.","affiliations":[{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":580296,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Atwood, Todd C. 0000-0002-1971-3110 tatwood@usgs.gov","orcid":"https://orcid.org/0000-0002-1971-3110","contributorId":4368,"corporation":false,"usgs":true,"family":"Atwood","given":"Todd","email":"tatwood@usgs.gov","middleInitial":"C.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":580297,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Oakley, Karen L. koakley@usgs.gov","contributorId":747,"corporation":false,"usgs":true,"family":"Oakley","given":"Karen","email":"koakley@usgs.gov","middleInitial":"L.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":580298,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Pearce, John M. 0000-0002-8503-5485 jpearce@usgs.gov","orcid":"https://orcid.org/0000-0002-8503-5485","contributorId":181766,"corporation":false,"usgs":true,"family":"Pearce","given":"John","email":"jpearce@usgs.gov","middleInitial":"M.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":580299,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70159048,"text":"70159048 - 2015 - Hydrology: The interdisciplinary science of water","interactions":[],"lastModifiedDate":"2015-10-15T09:08:54","indexId":"70159048","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Hydrology: The interdisciplinary science of water","docAbstract":"<p>We live in a world where biophysical and social processes are tightly coupled. Hydrologic systems change in response to a variety of natural and human forces such as climate variability and change, water use and water infrastructure, and land cover change. In turn, changes in hydrologic systems impact socioeconomic, ecological, and climate systems at a number of scales, leading to a coevolution of these interlinked systems. The Harvard Water Program, Hydrosociology, Integrated Water Resources Management, Ecohydrology, Hydromorphology, and Sociohydrology were all introduced to provide distinct, interdisciplinary perspectives on water problems to address the contemporary dynamics of human interaction with the hydrosphere and the evolution of the Earth&rsquo;s hydrologic systems. Each of them addresses scientific, social, and engineering challenges related to how humans influence water systems and vice versa. There are now numerous examples in the literature of how holistic approaches can provide a structure and vision of the future of hydrology. We review selected examples, which taken together, describe the type of theoretical and applied integrated hydrologic analyses and associated curricular content required to address the societal issue of water resources sustainability. We describe a modern interdisciplinary science of hydrology needed to develop an in-depth understanding of the dynamics of the connectedness between human and natural systems and to determine effective solutions to resolve the complex water problems that the world faces today. Nearly, every theoretical hydrologic model introduced previously is in need of revision to accommodate how climate, land, vegetation, and socioeconomic factors interact, change, and evolve over time.</p>","language":"English","publisher":"American Geophysical Union","doi":"10.1002/2015WR017049","usgsCitation":"Vogel, R.M., Lall, U., Cai, X., Rajagopalan, B., Weiskel, P.K., Hooper, R.P., and Matalas, N.C., 2015, Hydrology: The interdisciplinary science of water: Water Resources Research, v. 51, no. 6, p. 4409-4430, https://doi.org/10.1002/2015WR017049.","productDescription":"22 p.","startPage":"4409","endPage":"4430","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-065855","costCenters":[{"id":376,"text":"Massachusetts Water Science Center","active":true,"usgs":true}],"links":[{"id":472065,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/2015wr017049","text":"Publisher Index Page"},{"id":309897,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"51","issue":"6","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2015-06-21","publicationStatus":"PW","scienceBaseUri":"5620ce77e4b06217fc478aee","contributors":{"authors":[{"text":"Vogel, Richard M.","contributorId":66811,"corporation":false,"usgs":true,"family":"Vogel","given":"Richard","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":577535,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lall, Upmanu","contributorId":101172,"corporation":false,"usgs":true,"family":"Lall","given":"Upmanu","affiliations":[],"preferred":false,"id":577536,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cai, Ximing","contributorId":149230,"corporation":false,"usgs":false,"family":"Cai","given":"Ximing","email":"","affiliations":[{"id":17685,"text":"University of Illinois, Champagne-Urbana","active":true,"usgs":false}],"preferred":false,"id":577537,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rajagopalan, Balaji","contributorId":145813,"corporation":false,"usgs":false,"family":"Rajagopalan","given":"Balaji","email":"","affiliations":[{"id":16240,"text":"U of Colorado, Boulder","active":true,"usgs":false}],"preferred":false,"id":577538,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Weiskel, Peter K. pweiskel@usgs.gov","contributorId":1099,"corporation":false,"usgs":true,"family":"Weiskel","given":"Peter","email":"pweiskel@usgs.gov","middleInitial":"K.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":376,"text":"Massachusetts Water Science Center","active":true,"usgs":true}],"preferred":true,"id":577534,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hooper, Richard P.","contributorId":19144,"corporation":false,"usgs":true,"family":"Hooper","given":"Richard","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":577539,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Matalas, Nicholas C.","contributorId":34535,"corporation":false,"usgs":true,"family":"Matalas","given":"Nicholas","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":577540,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70178268,"text":"70178268 - 2015 - Biogeochemical aspects of uranium mineralization, mining, milling, and remediation","interactions":[],"lastModifiedDate":"2018-09-18T16:14:31","indexId":"70178268","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":835,"text":"Applied Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Biogeochemical aspects of uranium mineralization, mining, milling, and remediation","docAbstract":"<p id=\"sp0010\">Natural uranium (U) occurs as a mixture of three radioactive isotopes: <sup>238</sup>U, <sup>235</sup>U, and <sup>234</sup>U. Only <sup>235</sup>U is fissionable and makes up about 0.7% of natural U, while <sup>238</sup>U is overwhelmingly the most abundant at greater than 99% of the total mass of U. Prior to the 1940s, U was predominantly used as a coloring agent, and U-bearing ores were mined mainly for their radium (Ra) and/or vanadium (V) content; the bulk of the U was discarded with the tailings (Finch et al., 1972). Once nuclear fission was discovered, the economic importance of U increased greatly. The mining and milling of U-bearing ores is the first step in the nuclear fuel cycle, and the contact of residual waste with natural water is a potential source of contamination of U and associated elements to the environment. Uranium is mined by three basic methods: surface (open pit), underground, and solution mining (in situ leaching or in situ recovery), depending on the deposit grade, size, location, geology and economic considerations (Abdelouas, 2006). Solid wastes at U mill tailings (UMT) sites can include both standard tailings (i.e., leached ore rock residues) and solids generated on site by waste treatment processes. The latter can include sludge or “mud” from neutralization of acidic mine/mill effluents, containing Fe and a range of coprecipitated constituents, or barium sulfate precipitates that selectively remove Ra (e.g., Carvalho et al., 2007). In this chapter, we review the hydrometallurgical processes by which U is extracted from ore, the biogeochemical processes that can affect the fate and transport of U and associated elements in the environment, and possible remediation strategies for site closure and aquifer restoration.</p><p id=\"sp0015\">This paper represents the fourth in a series of review papers from the U.S. Geological Survey (USGS) on geochemical aspects of UMT management that span more than three decades. The first paper (Landa, 1980) in this series is a primer on the nature of tailings and radionuclide mobilization from them. The second paper (Landa, 1999) includes coverage of research carried out under the U.S. Department of Energy’s Uranium Mill Tailings Remedial Action Program (UMTRA). The third paper (Landa, 2004) reflects the increased focus of researchers on biotic effects in UMT environs. This paper expands the focus to U mining, milling, and remedial actions, and includes extensive coverage of the increasingly important alkaline in situ recovery and groundwater restoration.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.apgeochem.2014.07.022","usgsCitation":"Campbell, K.M., Gallegos, T.J., and Landa, E.R., 2015, Biogeochemical aspects of uranium mineralization, mining, milling, and remediation: Applied Geochemistry, v. 57, p. 206-235, https://doi.org/10.1016/j.apgeochem.2014.07.022.","productDescription":"30 p.","startPage":"206","endPage":"235","ipdsId":"IP-053469","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":331114,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"57","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"582ecff0e4b04d580bd43534","contributors":{"authors":[{"text":"Campbell, Kate M. 0000-0002-8715-5544 kcampbell@usgs.gov","orcid":"https://orcid.org/0000-0002-8715-5544","contributorId":1441,"corporation":false,"usgs":true,"family":"Campbell","given":"Kate","email":"kcampbell@usgs.gov","middleInitial":"M.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":653459,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gallegos, Tanya J. 0000-0003-3350-6473 tgallegos@usgs.gov","orcid":"https://orcid.org/0000-0003-3350-6473","contributorId":2206,"corporation":false,"usgs":true,"family":"Gallegos","given":"Tanya","email":"tgallegos@usgs.gov","middleInitial":"J.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":654048,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Landa, Edward R. erlanda@usgs.gov","contributorId":2112,"corporation":false,"usgs":true,"family":"Landa","given":"Edward","email":"erlanda@usgs.gov","middleInitial":"R.","affiliations":[],"preferred":true,"id":654049,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70191256,"text":"70191256 - 2015 - Applied Geochemistry Special Issue on Environmental geochemistry of modern mining","interactions":[],"lastModifiedDate":"2020-03-10T14:38:56","indexId":"70191256","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":835,"text":"Applied Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Applied Geochemistry Special Issue on Environmental geochemistry of modern mining","docAbstract":"<p id=\"p0005\">Environmental geochemistry is an integral part of the mine-life cycle, particularly for modern mining. The critical importance of environmental geochemistry begins with pre-mining baseline characterization and the assessment of environmental risks related to mining, continues through active mining especially in water and waste management practices, and culminates in mine closure. The enhanced significance of environmental geochemistry to modern mining has arisen from an increased knowledge of the impacts that historical and active mining can have on the environment, and from new regulations meant to guard against these impacts. New regulations are commonly motivated by advances in the scientific understanding of the environmental impacts of past mining. The impacts can be physical, chemical, and biological in nature. The physical challenges typically fall within the purview of engineers, whereas the chemical and biological challenges typically require a multidisciplinary array of expertise including geologists, geochemists, hydrologists, microbiologists, and biologists. The modern mine-permitting process throughout most of the world now requires that potential risks be assessed prior to the start of mining. The strategies for this risk assessment include a thorough characterization of pre-mining baseline conditions and the identification of risks specifically related to the manner in which the ore will be mined and processed, how water and waste products will be managed, and what the final configuration of the post-mining landscape will be.</p><p id=\"p0010\">In the Fall 2010, the Society of Economic Geologists held a short course in conjunction with the annual meeting of the Geological Society of America in Denver, Colorado (USA) to examine the environmental geochemistry of modern mining. The intent was to focus on issues that are pertinent to current and future mines, as opposed to abandoned mines, which have been the focus of numerous previous short courses. The geochemical challenges of current and future mines share similarities with abandoned mines, but differences also exist. Mining and ore processing techniques have changed; the environmental footprint of waste materials has changed; environmental protection has become a more integral part of the mine planning process; and most historical mining was done with limited regard for the environment. The 17 papers in this special issue evolved from the Society of Economic Geologists’ short course.</p><p id=\"p0015\">The relevant geochemical processes encompass the source, transport, and fate of contaminants related to the life cycle of a mine. Contaminants include metals and other inorganic species derived from geologic sources such as ore and solid mine waste, and substances brought to the site for ore processing, such as cyanide to leach gold. Factors, such as mine-waste mineralogy, hydrologic setting, mine-drainage chemistry, and microbial activity, that affect the hydrochemical risks from mining are reviewed by Nordstrom et al. In another paper, Nordstrom discusses baseline characterization at mine sites in a regulatory framework, and emphasizes the influence of mineral deposits in producing naturally elevated concentrations of many trace elements in surface water and groundwater. Surface water quality in mineralized watersheds is influenced by a number of processes that act on daily (diel) cycles and can produce dramatic variations in trace element concentrations as described by Gammons et al. Pre-mining baseline characterization studies should strive to capture the magnitude of these diel variations. Desbarats et al., using a case study of mine drainage from a gold mine, illustrate how elements that commonly occur as negatively charged species (anions) in solution, such as arsenic as arsenate, behave in an opposite fashion than most metals, which occur as positively charged species (cations). Significant improvement in the understanding of factors that influence the toxicity of metals to aquatic organisms in surface water has highlighted the importance of aqueous chemistry, particularly dissolved organic carbon, as described by Smith et al. Stream sediment contamination is another important pathway for affecting aquatic organisms, as reviewed by Besser et al. Understanding and predicting environmental consequences from mining begins with knowing the mineralogy and mineral reactivity of the ore, the wastes, and of secondary minerals formed later. Jamieson et al. review the importance of mineralogical studies in mine planning and remediation. A number of types of site-specific studies are needed to identify environmental risks related to individual mines. Lapakko reviews the general framework of mine waste characterization studies that are integral to the mine planning process. Hageman et al. present a comparative study of several static tests commonly used to characterize mine waste.</p><p id=\"p0020\">The mining and ore processing practices employed at a specific mine site will vary on the basis of the commodities being targeted, the geology of the deposit, the geometry of the deposit, and the mining and ore processing methods used. Thus, these factors, in addition to the waste management practices used, can result in a variety of end-member mine waste features, each of which has its own set of challenges. Open pit mines and underground mines require waste rock to be removed to access ore. Waste rock presents unique problems because the rock is commonly mineralized at sub-economic grades and has not been processed to remove potentially problematic minerals, such as pyrite. Amos et al. examine the salient aspects of the geochemistry of waste rock. Mill tailings – the waste material after ore minerals have been removed – are a volumetrically important solid waste at many mine sites. Their fine grain size and the options for their management make their behavior in the environment distinct from that of waste rock. Lindsay et al. describe some of these differences through three case-study examples. Subaqueous disposal of tailings is another option described by Moncur et al. Cyanide leaching for gold extraction is a common method throughout the world. Johnson describes environmental aspects of cyanidation. Uranium mining presents unique environmental challenges, particularly since in-situ recovery has seen widespread use. Campbell et al. review the environmental geochemistry of uranium mining and current research on bioremediation. Ore concentrates from many types of metal mining undergo a pyrometallurgical technique known as smelting to extract the metal. Slag is the result of smelting, and it may be an environmental liability or a valuable byproduct, as described by Piatak et al. Finally, the open pits that result from surface mining commonly reach below the water table. At the end of mining, these pits may fill to form lakes that become part of the legacy of the mine. Castendyk et al., in two papers, review theoretical aspects of the environmental limnology of pit lakes. They also describe approaches that have been used to model pit lake water balance, wall-rock contributions to pit lake chemistry, pit lake water quality, and limnological processes, such as vertical mixing, through the use of three case studies.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.apgeochem.2015.04.019","usgsCitation":"Seal, R., and Nordstrom, D.K., 2015, Applied Geochemistry Special Issue on Environmental geochemistry of modern mining: Applied Geochemistry, v. 57, p. 1-2, https://doi.org/10.1016/j.apgeochem.2015.04.019.","productDescription":"2 p.","startPage":"1","endPage":"2","ipdsId":"IP-063499","costCenters":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":346319,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"57","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59d3502ae4b05fe04cc34d6f","contributors":{"authors":[{"text":"Seal, Robert R. II 0000-0003-0901-2529 rseal@usgs.gov","orcid":"https://orcid.org/0000-0003-0901-2529","contributorId":397,"corporation":false,"usgs":true,"family":"Seal","given":"Robert R.","suffix":"II","email":"rseal@usgs.gov","affiliations":[],"preferred":false,"id":711701,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nordstrom, D. Kirk 0000-0003-3283-5136 dkn@usgs.gov","orcid":"https://orcid.org/0000-0003-3283-5136","contributorId":749,"corporation":false,"usgs":true,"family":"Nordstrom","given":"D.","email":"dkn@usgs.gov","middleInitial":"Kirk","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":false,"id":711702,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70154754,"text":"70154754 - 2015 - Spatial requirements of different life-stages of the loggerhead turtle (<i>Caretta caretta</i>) from a distinct population segment in the northern Gulf of Mexico","interactions":[],"lastModifiedDate":"2018-12-07T11:55:47","indexId":"70154754","displayToPublicDate":"2015-06-01T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1894,"text":"Herpetological Conservation and Biology","onlineIssn":"2151-0733","printIssn":"1931-7603","active":true,"publicationSubtype":{"id":10}},"title":"Spatial requirements of different life-stages of the loggerhead turtle (<i>Caretta caretta</i>) from a distinct population segment in the northern Gulf of Mexico","docAbstract":"<p>Many marine species have complex life histories that involve disparate developmental, foraging and reproductive habitats and a holistic assessment of the spatial requirements for different life stages is a challenge that greatly complicates their management. Here, we combined data from oceanographic modeling, nesting surveys, and satellite tracking to examine the spatial requirements of different life stages of Loggerhead Turtles (Caretta caretta) from a distinct population segment in the northern Gulf of Mexico. Our findings indicate that after emerging from nesting beaches in Alabama and Northwest Florida, hatchlings disperse widely and the proportion of turtles following a given route varies substantially through time, with the majority (mean of 74.4%) projected to leave the Gulf of Mexico. Adult females use neritic habitat throughout the northern and eastern Gulf of Mexico both during the inter-nesting phase and as post-nesting foraging areas. Movements and habitat use of juveniles and adult males represent a large gap in our knowledge, but given the hatchling dispersal predictions and tracks of post-nesting females it is likely that some Loggerhead Turtles remain in the Gulf of Mexico throughout their life. More than two-thirds of the Gulf provides potential habitat for at least one life-stage of Loggerhead Turtles. These results demonstrate the importance of the Gulf of Mexico to this Distinct Population Segment of Loggerhead Turtles. It also highlights the benefits of undertaking comprehensive studies of multiple life stages simultaneously: loss of individual habitats have the potential to affect several life stages thereby having long-term consequences to population recovery.</p>","language":"English","publisher":"Herpetological Conservation and Biology","usgsCitation":"Lamont, M.M., Putman, N.F., Fujisaki, I., and Hart, K.M., 2015, Spatial requirements of different life-stages of the loggerhead turtle (<i>Caretta caretta</i>) from a distinct population segment in the northern Gulf of Mexico: Herpetological Conservation and Biology, v. 10, no. 1, p. 26-43.","productDescription":"18 p.","startPage":"26","endPage":"43","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-045262","costCenters":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"links":[{"id":305527,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":360043,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.herpconbio.org/"}],"country":"United States","otherGeospatial":"Gulf of Mexico","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -85.48873901367188,\n              29.57942881484495\n            ],\n            [\n              -85.48873901367188,\n              29.991812888666043\n            ],\n            [\n              -84.78012084960938,\n              29.991812888666043\n            ],\n            [\n              -84.78012084960938,\n              29.57942881484495\n            ],\n            [\n              -85.48873901367188,\n              29.57942881484495\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"10","issue":"1","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55950f37e4b0b6d21dd6cc05","contributors":{"authors":[{"text":"Lamont, Margaret M. 0000-0001-7520-6669 mlamont@usgs.gov","orcid":"https://orcid.org/0000-0001-7520-6669","contributorId":4525,"corporation":false,"usgs":true,"family":"Lamont","given":"Margaret","email":"mlamont@usgs.gov","middleInitial":"M.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":563964,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Putman, Nathan Freeman","contributorId":145423,"corporation":false,"usgs":false,"family":"Putman","given":"Nathan","email":"","middleInitial":"Freeman","affiliations":[{"id":16119,"text":"National Marine Fisheries Service, Miami, FL","active":true,"usgs":false}],"preferred":false,"id":563967,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fujisaki, Ikuko","contributorId":42152,"corporation":false,"usgs":false,"family":"Fujisaki","given":"Ikuko","affiliations":[],"preferred":false,"id":563966,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hart, Kristen M. 0000-0002-5257-7974 kristen_hart@usgs.gov","orcid":"https://orcid.org/0000-0002-5257-7974","contributorId":1966,"corporation":false,"usgs":true,"family":"Hart","given":"Kristen","email":"kristen_hart@usgs.gov","middleInitial":"M.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":563965,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
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