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Land Eco-security Evaluation in the Three Gorges Reservoir Area Based on GIS——A Case Along the Yangtze River Region of Fengdu County
孙芬 吴涌泉 刘秀华 杨柳 钱昱如
Chinese Agricultural Science Bulletin . 2012, (8): 240 -247 .  DOI: 10.11924/j.issn.1000-6850.2011-1365