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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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Monitoring of vegetation response to elk population and habitat management in Rocky Mountain National Park, 2008???14 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  [null]
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Landscape consequences of natural gas extraction in Cameron, Clarion, Elk, Forest, Jefferson, McKean, Potter, and Warren Counties, Pennsylvania, 2004-2010 科技报告
来源:US Geological Survey (USGS). 出版年: 2014
作者:  [null]
收藏  |  浏览/下载:1/0  |  提交时间:2019/04/05