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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
Geology and paleontology of the late Miocene Wilson Grove Formation at Bloomfield Quarry, Sonoma County, California 科技报告
报告编号: 70202776, 页数: 88, 2019
作者:  Powell, Charles L.;  Boessenecker, Robert W.;  Smith, N. Adam;  Fleck, Robert J.;  Carlson, Sandra J.;  Allen, James R.;  Long, Douglas J.;  Sarna-Wojcicki, Andrei M.;  Guruswami-Naidu, Raj B.
Adobe PDF(43678Kb)  |  收藏  |  浏览/下载:107/48  |  提交时间:2019/11/06
Effectiveness of fish screens in protecting lamprey (Entosphenus and Lampetra spp.) ammocoetes—Pilot testing of variable screen angle 科技报告
报告编号: 70203152, 页数: 30, 2019
作者:  Liedtke, Theresa L. tliedtke@usgs.gov;  Didricksen, Daniel J.;  Weiland, Lisa K. lweiland@usgs.gov;  Ragala, Joshua A.;  Lampman, Ralph
Adobe PDF(871Kb)  |  收藏  |  浏览/下载:50/20  |  提交时间:2019/11/06
Effects of experimental removal of Barred Owls on population Demography of Northern Spotted Owls in Washington and Oregon—2018 Progress Report 科技报告
报告编号: 70203961, , 2019
作者:  Wiens, J. David jwiens@usgs.gov;  Dugger, Katie M.;  Lesmeister, Damon B.;  Dilione, Krista E. kdilione@usgs.gov;  Simon, David C. dsimon@usgs.gov
Adobe PDF(1741Kb)  |  收藏  |  浏览/下载:50/19  |  提交时间:2019/11/06
Estimated groundwater recharge from a water-budget model incorporating selected climate projections, Island of Maui, Hawai‘i 科技报告
报告编号: 70204034, 页数: 46, 2019
作者:  Mair, Alan dmair@usgs.gov;  Johnson, Adam G. ajohnson@usgs.gov;  Rotzoll, Kolja;  Oki, Delwyn S.
Adobe PDF(14990Kb)  |  收藏  |  浏览/下载:39/17  |  提交时间:2019/11/06
Lakes and reservoirs—Guidelines for study design and sampling 科技报告
报告编号: 70155912, 页数: 57, 2018
作者:  U.S. Geological Survey
Adobe PDF(5029Kb)  |  收藏  |  浏览/下载:25/4  |  提交时间:2019/11/06
Stream-channel and watershed delineations and basin-characteristic measurements using lidar elevation data for small drainage basins within the Des Moines Lobe landform region in Iowa 科技报告
报告编号: 70191170, 页数: 34, 2018
作者:  Eash, David A. daeash@usgs.gov;  Barnes, Kimberlee K. kkbarnes@usgs.gov;  O'Shea, Padraic S. poshea@usgs.gov;  Gelder, Brian K.
Adobe PDF(1525Kb)  |  收藏  |  浏览/下载:37/18  |  提交时间:2019/11/06
Fish behavior and abundance monitoring near a floating surface collector in North Fork Reservoir, Clackamas River, Oregon, using multi-beam acoustic imaging sonar 科技报告
报告编号: 70200961, , 2018
作者:  Smith, Collin D. cdsmith@usgs.gov;  Plumb, John M. jplumb@usgs.gov;  Adams, Noah S. nadams@usgs.gov
Adobe PDF(4834Kb)  |  收藏  |  浏览/下载:34/20  |  提交时间:2019/11/06
Geologic map of the Nepenthes Planum Region, Mars 科技报告
报告编号: 70195781, , 2018
作者:  Skinner, James A. jskinner@usgs.gov;  Tanaka, Kenneth L. ktanaka@usgs.gov
Adobe PDF(1376Kb)  |  收藏  |  浏览/下载:46/18  |  提交时间:2019/11/06
Indicators of ecosystem structure and function for the Upper Mississippi River System 科技报告
报告编号: 70199036, , 2018
作者:  De Jager, Nathan R. ndejager@usgs.gov;  Rogala, James T. jrogala@usgs.gov;  Rohweder, Jason J. jrohweder@usgs.gov;  Van Appledorn, Molly;  Bouska, Kristen L. kbouska@usgs.gov;  Houser, Jeffrey N. jhouser@usgs.gov;  Jankowski, Kathi Jo
Adobe PDF(46638Kb)  |  收藏  |  浏览/下载:80/40  |  提交时间:2019/11/06