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Southern sea otter (Enhydra lutris nereis) population biology at Big Sur and Monterey, California --Investigating the consequences of resource abundance and anthropogenic stressors for sea otter recovery 科技报告
报告编号: 70202708, 页数: 244, 2019
作者:  Tinker, M. Tim;  Tomoleoni, Joseph A. jtomoleoni@usgs.gov;  Weitzman, Benjamin P.;  Staedler, Michelle;  Jessup, Dave;  Murray, Michael J.;  Miller, Melissa;  Burgess, Tristan;  Bowen, Lizabeth lbowen@usgs.gov;  Miles, A. Keith keith_miles@usgs.gov;  Thometz, Nicole;  Tarjan, Lily;  Golson, Emily;  Batac, Francesca;  Dodd, Erin;  Berberich, Eva;  Kunz, Jessica;  Bentall, Gena;  Fujii, Jessica;  Nicholson, Teri;  Newsome, Seth;  Melli, Ann;  LaRoche, Nicole;  MacCormick, Holly;  Johnson, Andy;  Henkel, Laird;  Kreuder-Johnson, Chris;  Conrad, Pat
Adobe PDF(15940Kb)  |  收藏  |  浏览/下载：100/20  |  提交时间：2019/11/06
San Francisco Bay triennial bird egg monitoring program for contaminants, California—2018 科技报告
报告编号: 70203382, 页数: 24, 2019
作者:  Ackerman, Joshua T. jackerman@usgs.gov;  Hartman, C. Alex chartman@usgs.gov;  Herzog, Mark P. mherzog@usgs.gov;  Toney, Matthew mtoney@usgs.gov
Adobe PDF(1468Kb)  |  收藏  |  浏览/下载：30/15  |  提交时间：2019/11/06
Assessment of bird exposure to lead at Tyndall and Beale Air Force Bases, 2016–17 科技报告
报告编号: 70201141, , 2019
作者:  Bargar, Timothy A.
Adobe PDF(14618Kb)  |  收藏  |  浏览/下载：6/4  |  提交时间：2019/11/06
Are changes in lower trophic levels limiting prey-fish biomass and production in Lake Michigan? 科技报告
报告编号: 70199979, , 2018
作者:  Bunnell, David B. dbunnell@usgs.gov;  Carrick, Hunter J.;  Madenjian, Charles P. cmadenjian@usgs.gov;  Rutherford, Edward S.;  Vanderploeg, Henry A.;  Barbiero, Richard P.;  Hinchey-Malloy, Elizabeth;  Pothoven, Steven A.;  Riseng, Catherine M.;  Claramunt, Randall M.;  Bootsma, Harvey A.;  Elgin, Ashley;  Rowe, Mark;  Thomas, Sara;  Turschak, Benjamin A.;  Czesny, Sergiusz J.;  Pangle, Kevin;  Warner, David M. dmwarner@usgs.gov
Adobe PDF(2771Kb)  |  收藏  |  浏览/下载：90/41  |  提交时间：2019/11/06
Juvenile Lost River and shortnose sucker year class strength, survival, and growth in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2016 Monitoring Report 科技报告
报告编号: 70196552, 页数: 54, 2018
作者:  Burdick, Summer M. sburdick@usgs.gov;  Ostberg, Carl O. costberg@usgs.gov;  Hoy, Marshal S. mhoy@usgs.gov
Adobe PDF(1650Kb)  |  收藏  |  浏览/下载：55/28  |  提交时间：2019/11/06
Findings from a preliminary investigation of the effects of aquatic habitat (water) availability on giant gartersnake (Thamnophis gigas) demography in the Sacramento Valley, California, 2014–17 科技报告
报告编号: 70198121, 页数: 58, 2018
作者:  Rose, Jonathan P. jprose@usgs.gov;  Ersan, Julia S. M. jersan@usgs.gov;  Reyes, Gabriel A. greyes@usgs.gov;  Gustafson, K. Benjamin kgustafson@usgs.gov;  Fulton, Alexandria M. afulton@usgs.gov;  Fouts, Kristen J. kfouts@usgs.gov;  Wack, Raymund F.;  Wylie, Glenn D. glenn_wylie@usgs.gov;  Casazza, Michael L. mike_casazza@usgs.gov;  Halstead, Brian J. bhalstead@usgs.gov
Adobe PDF(4966Kb)  |  收藏  |  浏览/下载：53/18  |  提交时间：2019/11/06
Evaluation of key scientific issues in the report, “State of the mountain lion—A call to end trophy hunting of America’s lion” 科技报告
报告编号: 70198885, , 2018
作者:  Cain, James W. III jwcain@usgs.gov;  Mitchell, Michael S. mmitchel@usgs.gov
Adobe PDF(5165Kb)  |  收藏  |  浏览/下载：36/15  |  提交时间：2019/11/06
Mercury concentrations in water and mercury and selenium concentrations in fish from Brownlee Reservoir and selected sites in the Boise and Snake Rivers, Idaho and Oregon, 2013-17 科技报告
报告编号: 70198327, , 2018
作者:  MacCoy, Dorene E. demaccoy@usgs.gov;  Mebane, Christopher A. cmebane@usgs.gov
Adobe PDF(7308Kb)  |  收藏  |  浏览/下载：57/17  |  提交时间：2019/11/06
A comparison of photograph-interpreted and IfSAR-derived maps of polar bear denning habitat for the 1002 Area of the Arctic National Wildlife Refuge, Alaska 科技报告
报告编号: 70196937, 页数: 20, 2018
作者:  Durner, George M. gdurner@usgs.gov;  Atwood, Todd C. tatwood@usgs.gov
Adobe PDF(2872Kb)  |  收藏  |  浏览/下载：60/24  |  提交时间：2019/11/06
Summary of wildlife-related research on the coastal plain of the Arctic National Wildlife Refuge, Alaska, 2002–17 科技报告
报告编号: 70194836, 页数: 36, 2018
作者:  Pearce, John M. jpearce@usgs.gov;  Flint, Paul L. pflint@usgs.gov;  Atwood, Todd C. tatwood@usgs.gov;  Douglas, David C. ddouglas@usgs.gov;  Adams, Layne G. ladams@usgs.gov;  Johnson, Heather E. hejohnson@usgs.gov;  Arthur, Stephen M.;  Latty, Christopher J.
Adobe PDF(7753Kb)  |  收藏  |  浏览/下载：44/20  |  提交时间：2019/11/06