CCPortal

浏览/检索结果: 共7条,第1-7条 帮助

限定条件        
已选(0)清除 条数/页:   排序方式:
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
Changes in aquatic prey resources in response to estuary restoration in Willapa Bay, southwestern Washington 科技报告
报告编号: 70201600, , 2018
作者:  Woo, Isa iwoo@usgs.gov;  Davis, Melanie J.;  De La Cruz, Susan E. W.
Adobe PDF(8727Kb)  |  收藏  |  浏览/下载:8/5  |  提交时间:2019/11/06
First comprehensive list of non-native species established in three major regions of the United States 科技报告
报告编号: 70199785, , 2018
作者:  Simpson, Annie;  Eyler, Meghan C.
Adobe PDF(1465Kb)  |  收藏  |  浏览/下载:26/7  |  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:94/44  |  提交时间:2019/11/06
Mercury methylation and bioaccumulation in Sinclair Inlet, Kitsap County, Washington 科技报告
报告编号: 70196724, , 2018
作者:  Paulson, A.J. apaulson@usgs.gov;  Marvin-DiPasquale, M.C. mmarvin@usgs.gov;  Moran, P.W. pwmoran@usgs.gov;  DeWild, J.F. jfdewild@usgs.gov;  Stewart, A.R. arstewar@usgs.gov;  Toft, J.;  Agee, J.L. jlagee@usgs.gov;  Kakouros, E. kakouros@usgs.gov;  Kieu, Le H. lkieu@usgs.gov;  Carter, B.;  Sheibley, R.W. sheibley@usgs.gov;  Cordell, J. jonnie.cordell@bia.gov;  Krabbenhoft, David P. dpkrabbe@usgs.gov
Adobe PDF(7456Kb)  |  收藏  |  浏览/下载:49/18  |  提交时间:2019/11/06
Trends and habitat associations of waterbirds using the South Bay Salt Pond Restoration Project, San Francisco Bay, California 科技报告
报告编号: 70196283, 页数: 148, 2018
作者:  De La Cruz, Susan E.W. sdelacruz@usgs.gov;  Smith, Lacy M. lmsmith@usgs.gov;  Moskal, Stacy M. smoskal@usgs.gov;  Strong, Cheryl;  Krause, John;  Wang, Yiwei;  Takekawa, John Y. john_takekawa@usgs.gov
Adobe PDF(6440Kb)  |  收藏  |  浏览/下载:61/17  |  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:51/13  |  提交时间:2019/11/06