中文版 | English

在结果中检索

CCPortal

浏览/检索结果: 共128条，第1-10条 帮助

限定条件        
已选(0)清除 条数/页：   排序方式：
The effects of management practices on grassland birds—Rates of Brown-headed Cowbird (Molothrus ater) parasitism in nests of North American grassland birds 科技报告
报告编号: 70203495, 页数: 32, 2019
作者:  Shaffer, Jill A. jshaffer@usgs.gov;  Igl, Lawrence D. ligl@usgs.gov;  Johnson, Douglas H.
收藏  |  浏览/下载：43/0  |  提交时间：2019/11/06
The effects of management practices on grassland birds—An introduction to North American grasslands and the practices used to manage grasslands and grassland birds 科技报告
报告编号: 70203598, 页数: 74, 2019
作者:  Shaffer, Jill A. jshaffer@usgs.gov;  DeLong, John P.
收藏  |  浏览/下载：33/0  |  提交时间：2019/11/06
Assessing the impact of the Conservation Reserve Program on honey bee health 科技报告
报告编号: 70201228, 页数: 2, 2019
作者:  Otto, Clint R. V. cotto@usgs.gov
Adobe PDF(13086Kb)  |  收藏  |  浏览/下载：2/0  |  提交时间：2019/11/06
An experimental test of weed-suppressive bacteria effectiveness in rangelands in southwestern Idaho, 2016–18 科技报告
报告编号: 70203274, , 2019
作者:  Lazarus, Brynne E. blazarus@usgs.gov;  Germino, Matthew J. mgermino@usgs.gov
Adobe PDF(9643Kb)  |  收藏  |  浏览/下载：48/16  |  提交时间：2019/11/06
Monitoring live vegetation in semiarid and arid rangeland environments with satellite remote sensing in northern Kenya 科技报告
报告编号: 70202978, 页数: 96, 2019
作者:  Rangoonwala, Amina;  Ramsey III, Elijah W.
Adobe PDF(22723Kb)  |  收藏  |  浏览/下载：13/4  |  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：110/46  |  提交时间：2019/11/06
Cooperative Fish and Wildlife Research Units program—2018 year in review 科技报告
报告编号: 70201854, 页数: 60, 2019
作者:  Organ, John F. jorgan@usgs.gov;  Thompson, John D. jthompson@usgs.gov;  Childs, Dawn E.;  Dennerline, Donald E.
Adobe PDF(38360Kb)  |  收藏  |  浏览/下载：87/44  |  提交时间：2019/11/06
Water quality and hydrology of the Yellow Dog and Salmon Trout Watersheds, Marquette County, Michigan 2013–16 科技报告
报告编号: 70202479, 页数: 36, 2019
作者:  Hoard, Christopher J.;  Weaver, Thomas L.
Adobe PDF(10071Kb)  |  收藏  |  浏览/下载：38/13  |  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：74/26  |  提交时间：2019/11/06
Characterizing 12 years of wildland fire science at the U.S. Geological Survey: Wildland Fire Science Publications, 2006–17 科技报告
报告编号: 70202198, 页数: 75, 2019
作者:  Steblein, Paul F.;  Miller, Mark P. mpmiller@usgs.gov
Adobe PDF(835Kb)  |  收藏  |  浏览/下载：62/17  |  提交时间：2019/11/06