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Benthic community dynamics in Coyote Creek and Artesian Slough, southern San Francisco Bay, California, May 2016 to March 2018 科技报告
报告编号: 70203615, 页数: 96, 2019
作者:  Shrader, Kelly H.;  Pearson, Sarah A. spearson@usgs.gov;  Parchaso, Francis parchaso@usgs.gov;  Thompson, Janet K. jthompso@usgs.gov
Adobe PDF(4711Kb)  |  收藏  |  浏览/下载:58/32  |  提交时间:2019/11/06
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
Catchment-level estimates of nitrogen and phosphorus agricultural use from commercial fertilizer sales for the conterminous United States, 2012 科技报告
报告编号: 70201177, , 2019
作者:  Stewart, Jana S. jsstewar@usgs.gov;  Schwarz, Gregory E. gschwarz@usgs.gov;  Brakebill, John W. jwbrakeb@usgs.gov;  Preston, Stephen D. spreston@usgs.gov
Adobe PDF(53511Kb)  |  收藏  |  浏览/下载:109/46  |  提交时间:2019/11/06
Agriculture — A river runs through it — The connections between agriculture and water quality 科技报告
报告编号: 70187973, 页数: 216, 2018
作者:  Capel, Paul D. capel@usgs.gov;  McCarthy, Kathleen A.;  Coupe, Richard H. rhcoupe@usgs.gov;  Grey, Katia M.;  Amenumey, Sheila E.;  Baker, Nancy T. ntbaker@usgs.gov;  Johnson, Richard L.
Adobe PDF(69774Kb)  |  收藏  |  浏览/下载:69/41  |  提交时间:2019/11/06
Concentrations of nitrate in drinking water in the lower Yakima River Basin, Groundwater Management Area, Yakima County, Washington, 2017 科技报告
报告编号: 70196864, 页数: 28, 2018
作者:  Huffman, Raegan L. rhuffman@usgs.gov
Adobe PDF(1655Kb)  |  收藏  |  浏览/下载:3/0  |  提交时间:2019/11/06
Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015 科技报告
报告编号: 70199372, , 2018
作者:  Cox, Stephen E. secox@usgs.gov;  Spanjer, Andrew R. aspanjer@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Barbash, Jack E. jbarbash@usgs.gov;  Embertson, Nichole M.
Adobe PDF(2496Kb)  |  收藏  |  浏览/下载:56/26  |  提交时间:2019/11/06
Understanding the influence of nutrients on stream ecosystems in agricultural landscapes 科技报告
报告编号: 70191220, 页数: 92, 2018
作者:  Munn, Mark D. mdmunn@usgs.gov;  Frey, Jeffrey W. jwfrey@usgs.gov;  Tesoriero, Anthony J. tesorier@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Duff, John H. jhduff@usgs.gov;  Lee, Kathy E. klee@usgs.gov;  Maret, Terry R. trmaret@usgs.gov;  Mebane, Christopher A. cmebane@usgs.gov;  Waite, Ian R. iwaite@usgs.gov;  Zelt, Ronald B. rbzelt@usgs.gov
Adobe PDF(18305Kb)  |  收藏  |  浏览/下载:44/11  |  提交时间:2019/11/06
Federal lands greenhouse emissions and sequestration in the United States—Estimates for 2005–14 科技报告
报告编号: 70199919, , 2018
作者:  Merrill, M.D.;  Sleeter, Benjamin M. bsleeter@usgs.gov;  Freeman, Philip A.;  Liu, Jinxun jxliu@usgs.gov;  Warwick, Peter D.;  Reed, Bradley C.
Adobe PDF(14976Kb)  |  收藏  |  浏览/下载:41/7  |  提交时间:2019/11/06
Development of new information to inform fish passage decisions at the Yale and Merwin hydro projects on the Lewis River, Washington—Final report, 2018 科技报告
报告编号: 70201266, , 2018
作者:  Al-Chokhachy, Robert K. ral-chokhachy@usgs.gov;  Clark, Christopher L.;  Sorel, Mark H.;  Beauchamp, David A. fadave@usgs.gov
Adobe PDF(13194Kb)  |  收藏  |  浏览/下载:49/13  |  提交时间:2019/11/06
Baseline assessment of groundwater quality in Pike County, Pennsylvania, 2015 科技报告
报告编号: 70191425, , 2017
作者:  Senior, Lisa A. lasenior@usgs.gov;  Cravotta, Charles A. III cravotta@usgs.gov
Adobe PDF(7886Kb)  |  收藏  |  浏览/下载:7/4  |  提交时间:2019/11/06