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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:49/20  |  提交时间:2019/11/06
Passage survival of juvenile steelhead, coho salmon, and Chinook salmon in Lake Scanewa and at Cowlitz Falls Dam, Cowlitz River, Washington, 2010–16 科技报告
报告编号: 70196228, 页数: 56, 2018
作者:  Liedtke, Theresa L. tliedtke@usgs.gov;  Kock, Tobias J. tkock@usgs.gov;  Hurst, William whurst@usgs.gov
Adobe PDF(1419Kb)  |  收藏  |  浏览/下载:50/11  |  提交时间:2019/11/06
Effectiveness of common fish screen materials for protecting lamprey ammocoetes—Influence of sweeping velocities and decreasing flows 科技报告
报告编号: 70194713, 页数: 28, 2017
作者:  Mesa, Matthew G. mmesa@usgs.gov;  Liedtke, Theresa L. tliedtke@usgs.gov;  Weiland, Lisa K. lweiland@usgs.gov;  Christiansen, Helena E. hchristiansen@usgs.gov
Adobe PDF(816Kb)  |  收藏  |  浏览/下载:50/21  |  提交时间:2019/11/06
Behavior patterns and fates of adult steelhead, Chinook salmon, and coho salmon released into the upper Cowlitz River Basin, 2005–09 and 2012, Washington 科技报告
报告编号: 70176109, 页数: 46, 2016
作者:  Kock, Tobias J. tkock@usgs.gov;  Ekstrom, Brian K. bekstrom@usgs.gov;  Liedtke, Theresa L. tliedtke@usgs.gov;  Serl, John D.;  Kohn, Mike
Adobe PDF(2531Kb)  |  收藏  |  浏览/下载:26/11  |  提交时间:2019/11/06