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Whether dam impoundment for water resource purposes improves wetland ecosystems is heavily disputed. In this study, we investigated the effects of dam impoundment from 2006 to 2011 on wetland plant communities and wintering water birds in Lashi Lake, a typical closed wetland in Northwest Yunnan, China. The surface area of the water body increased from 933 hm2 before impoundment to 1262 hm2 after impoundment;...
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