Arid

浏览/检索结果: 共133条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Understanding and Combating the Fire-Enhancing Impact of Non-Native Annuals in Desert Scrub through the Tools of Population and Landscape Ecology. 科技报告
报告编号: ADA624857. 出版年: 2015
作者:  Holzapfel, C;  Moloney, K. A.
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/30
Deserts  Ecology  Invasive species(flora)  Plants(botany)  Shrubs  Contrast  Environments  Fertility  Fires  Fuels  Hypotheses  Interactions  Management  Models  Patterns  Population  Retardation  Risk  Simulation  Sites  Soils  Strat  
Report A: Fish distribution and population dynamics in Rock Creek, Klickitat County, Washington 科技报告
报告编号: 70189522. 出版年: 2013
作者:  Allen, Brady ballen@usgs.gov;  Munz, Carrie S. cmunz@usgs.gov;  Harvey, Elaine
收藏  |  浏览/下载:0/0  |  提交时间:2019/11/30
Modeling the Physical and Biochemical Influence of Ocean Thermal Energy Conversion Plant Discharges into their Adjacent Waters 科技报告
报告编号: DOE/EE0003638-1. 出版年: 2012
作者:  PAT GRANDELLI, P.E.;  GREG ROCHELEAU;  JOHN HAMRICK, Ph.D.;  MATT CHURCH, Ph.D.;  BRIAN POWELL, Ph.D.
收藏  |  浏览/下载:1/0  |  提交时间:2019/11/30
Community Dynamics and Soil Seed Bank Ecology of Lane Mountain Milkvetch (Astragalus jaegerianus Munz). 科技报告
报告编号: ADA582562. 出版年: 2012
作者:  Huggins, T. R;  Prigge, B. A;  Sharifi, M. R;  Rundel, P. W.
收藏  |  浏览/下载:5/0  |  提交时间:2019/11/30
Plant growth  California  Deserts  Drought  Endangered species  Plants(Botany)  Precipitation  Seeds  Shrubs  Survivability  Astragalus jaegerianus  Desert ecology  Mojave desert  Phenology  Population dynamics  Reintroduction  Repopulatio  
Big Spring Spinedace and Associated Fish Populations and Habitat Conditions in Condor Canyon, Meadow Valley Wash, Nevada. 科技报告
报告编号: PB2011114755. 出版年: 2011
作者:  Jezorek, I. G;  Connolly, P. J;  Munz, C. A;  Dixon, C.
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/30
Fishery surveys  Population dynamics  Habitat  Fish tagging  Transponders  Nevada  Big Spring Spinedace  Meadow Valley Wash(Nevada)  Condor canyon  
Survival Rate Estimation of Hatchery-Reared Razorback Suckers Xyrauchen Texanus Stocked in the Upper Colorado River Basin, Utah and Colorado, 2004-2007. Final Report. 科技报告
报告编号: PB2011112028. 出版年: 2011
作者:  Zelasko, K. A;  Bestgen, K. R;  White, G. C.
收藏  |  浏览/下载:3/0  |  提交时间:2019/11/30
Fishes  Razorback suckers  Fish management  Fish hatcheries  Survival rate  Estimation  Life history  Population dynamics  Endangered species  Fish stocking  Conservation  Fish movements  Mortality  Colorado River  Utah  
Canada Geese at the Hanford Site 鈥?Trends in Reproductive Success, Migration Patterns, and Contaminant Concentrations 科技报告
报告编号: PNNL-19212. 出版年: 2010
作者:  Simmons, Mary Ann;  Poston, Ted M.;  Tiller, Brett L.;  Stegen, Amanda;  Hand, Kristine D.;  Brandenberger, Jill M.
收藏  |  浏览/下载:12/0  |  提交时间:2019/11/30
Uncertainty quantification and validation of combined hydrological and macroeconomic analyses. 科技报告
报告编号: SAND2010-6266. 出版年: 2010
作者:  Hernandez, Jacquelynne;  Parks, Mancel Jordan;  Jennings, Barbara Joan;  Kaplan, Paul Garry;  Brown, Theresa Jean;  Conrad, Stephen Hamilton
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/30
Effects of Four-Lane Highways on Desert Kit Fox and Swift Fox: Inferences for the San Joaquin Kit Fox Population. 科技报告
报告编号: PB2011100334. 出版年: 2010
作者:  Clevenger, A. P;  Kociolek, A. V;  Cypher, B. L.
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/30
Highways  Foxes  Wildlife management  Population dynamics  Mitigation  Habitat  Traffic safety  Natural resources management  Mortality  Aminal movements  Roadkills  Endangered species  Monitoring  Culverts  Colorado  Design  South Dakota  
North American Bird Conservation Initiative: Bringing It All Together. 科技报告
报告编号: PB2009102279. 出版年: 2008
作者:  [unavailable]
收藏  |  浏览/下载:5/0  |  提交时间:2019/11/30
Birds  Government programs  Wildlife conservation  Canada  Mexico  United States  International cooperation  Partnerships  Waterfowl  Shorebirds  Population dynamics  Ecology  Ecosystems  Migratory birds  NABCI(North American Bird Conservati