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European forest ecosystems - State and trends 科技报告
来源:European Environment Agency (EEA). 出版年: 2016
作者:  [null]
收藏  |  浏览/下载:3/0  |  提交时间:2019/04/05
forest management  forests  sustainable forest management  
Modeling elk and bison carrying capacity for Great Sand Dunes National Park, Baca National Wildlife Refuge, and The Nature Conservancy's Medano Ranch, Colorado 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  [null]
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Concentrations of metals and trace elements in aquatic biota associated with abandoned mine lands in the Whiskeytown National Recreation Area and nearby Clear Creek watershed, Shasta County, northwestern California, 2002-2003 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  [null]
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Relations of water-quality constituent concentrations to surrogate measurements in the lower Platte River corridor, Nebraska, 2007 through 2011 科技报告
来源:US Geological Survey (USGS). 出版年: 2014
作者:  [null]
收藏  |  浏览/下载:2/0  |  提交时间:2019/04/05
Meteorological data for selected sites along the Colorado River Corridor, Arizona, 2011-13 科技报告
来源:US Geological Survey (USGS). 出版年: 2014
作者:  [null]
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Geologic framework of thermal springs, Black Canyon, Nevada and Arizona 科技报告
来源:US Geological Survey (USGS). 出版年: 2014
作者:  [null]
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Preliminary geologic map of Black Canyon and surrounding region, Nevada and Arizona 科技报告
来源:US Geological Survey (USGS). 出版年: 2014
作者:  [null]
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Upper Clear Creek watershed aquatic chemistry and biota surveys, 2004-5, Whiskeytown National Recreation Area, Shasta County, California 科技报告
来源:US Geological Survey (USGS). 出版年: 2012
作者:  [null]
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Establishment of sentinel sampling sites to monitor changes in water and sediment quality and biota related to visitor use at Lake Powell, Arizona and Utah, 2004-2006 科技报告
来源:US Geological Survey (USGS). 出版年: 2012
作者:  [null]
收藏  |  浏览/下载:1/0  |  提交时间:2019/04/05