CCPortal

浏览/检索结果: 共9条,第1-9条 帮助

限定条件        
已选(0)清除 条数/页:   排序方式:
Four Ways to Curb Light Pollution, Save Bugs 科技资讯
2019
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/20
How Long Does a Whale Feed? New Data Gives Insight Into Blue and Fin Whale Behavior 科技资讯
2019
收藏  |  浏览/下载:2/0  |  提交时间:2019/09/12
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:102/20  |  提交时间:2019/11/06
Life-history model for sockeye salmon (Oncorhynchus nerka) at Lake Ozette, northwestern Washington—Users' guide 科技报告
报告编号: 70202797, 页数: 92, 2019
作者:  Woodward, Andrea awoodward@usgs.gov;  Haggerty, Mike;  Crain, Patrick
Adobe PDF(3959Kb)  |  收藏  |  浏览/下载:16/5  |  提交时间:2019/11/06
Lewis River Bull Trout synthesis of known information 科技报告
报告编号: 70203784, , 2019
作者:  Hudson, J. Michael;  Doyle, Jeremiah;  Lamperth, Jamie;  Al-Chokhachy, Robert;  Robertson, Gregory J.;  Wadsworth, Tom
Adobe PDF(3139Kb)  |  收藏  |  浏览/下载:52/23  |  提交时间:2019/11/06
Integration and tradeoffs 科技报告
报告编号: 70204117, , 2019
作者:  Crist, Michele;  Prentice, Karen;  Chambers, Jeanne C.;  Phillips, Sue;  Wiechman , Lief A.
Adobe PDF(16345Kb)  |  收藏  |  浏览/下载:78/27  |  提交时间:2019/11/06
National Park Service socioeconomic monitoring pilot survey: Visitor spending analysis 科技报告
报告编号: 70204070, 页数: 116, 2019
作者:  Cullinane Thomas, Catherine ccullinanethomas@usgs.gov;  Cornachione, Egan;  Koontz, Lynne koontzl@usgs.gov;  Keyes, Christopher R.
Adobe PDF(2036Kb)  |  收藏  |  浏览/下载:62/18  |  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:52/20  |  提交时间:2019/11/06
Monitoring of endangered Klamath Basin suckers translocated from Lake Ewauna to Upper Klamath Lake, Oregon, 2014−2017 科技报告
报告编号: 70204534, , 2019
作者:  Banet, Nathan V.;  Hewitt, David A. dhewitt@usgs.gov
Adobe PDF(2147Kb)  |  收藏  |  浏览/下载:59/22  |  提交时间:2019/11/06