CCPortal

浏览/检索结果: 共8条,第1-8条 帮助

已选(0)清除 条数/页:   排序方式:
Wildfires in Maui are among the deadliest in US history. These are the other fires atop the list 科技资讯
2023
收藏  |  浏览/下载:4/0  |  提交时间:2023/08/15
Line 3 activists face felony charges for attempted assisted suicide 科技资讯
2022
收藏  |  浏览/下载:1/0  |  提交时间:2022/09/08
Coronavirus forces new approaches to fighting wildfires 科技资讯
2020
收藏  |  浏览/下载:13/0  |  提交时间:2020/04/12
Phenology matters: Extended spring and autumn canopy cover increases biotic resistance of forests to invasion by common buckthorn (Rhamnus cathartica) 期刊论文
, 2020, 卷号: 464
作者:  Schuster M.J.;  Wragg P.D.;  Williams L.J.;  Butler E.E.;  Stefanski A.;  Reich P.B.
收藏  |  浏览/下载:22/0  |  提交时间:2020/07/28
Biology  Light transmission  Seed  Biotic resistance  Invasion  Phenology  Rhamnus cathartica  Shade tolerance  Understory  Forestry  biotic factor  deciduous tree  forest canopy  forest ecosystem  growth  light availability  mortality  phenology  seasonal variation  shade tolerance  species richness  understory  Biology  Forestry  Light  Phenology  Resistance  Rhamnus  Transmittance  Cloquet  Minnesota  United States  Rhamnaceae  Rhamnus cathartica  
Phenology matters: Extended spring and autumn canopy cover increases biotic resistance of forests to invasion by common buckthorn (Rhamnus cathartica) 期刊论文
Forest Ecology and Management, 2020, 卷号: 464
作者:  Schuster M.J.;  Wragg P.D.;  Williams L.J.;  Butler E.E.;  Stefanski A.;  Reich P.B.
收藏  |  浏览/下载:13/0  |  提交时间:2020/12/08
Communities search for ways to live with growing fire threat 科技资讯
2019
收藏  |  浏览/下载:2/0  |  提交时间:2019/09/23
Simulation of the regional groundwater-flow system in the St. Louis River basin, Minnesota 科技报告
报告编号: 70203058, 页数: 54, 2019
作者:  Haserodt, Megan J. mhaserodt@usgs.gov;  Hunt, Randall J.;  Cowdery, Timothy K.;  Leaf, Andrew T. aleaf@usgs.gov;  Baker, Anna C.
Adobe PDF(61129Kb)  |  收藏  |  浏览/下载:84/37  |  提交时间:2019/11/06
Streamflow distribution maps for the Cannon River drainage basin, southeast Minnesota, and the St. Louis River drainage basin, northeast Minnesota 科技报告
报告编号: 70194252, 页数: 28, 2017
作者:  Smith, Erik A. easmith@usgs.gov;  Sanocki, Chris A. sanocki@usgs.gov;  Lorenz, David L. lorenz@usgs.gov;  Jacobsen, Katrin E.
Adobe PDF(976Kb)  |  收藏  |  浏览/下载:26/16  |  提交时间:2019/11/06