The area proportion of farmland systems (RC and IC) around almost all populations of the three wild rice species showed a gradually decreasing trend in four periods (2004–2007, 2008–2011, 2012–2015, and 2016–2019), whereas the area proportion of the natural communities (TC, MTH, SL and TCF) showed an increasing trend.
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Effects of land use change on population survival of three wild rice species in China since 2001.
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