基于羌塘高原8个一级土地覆被类型(包括10个二级土地覆被类型)的6851个样本点,采用混淆矩阵方法,从总体精度、制图精度和用户精度角度评价International Geosphere-Biosphere Program's Data and Information System Cover(IGBPDIS)、Gl...
National Basic Research Program of China(No.2010CB951704);National Natural Science Foundation of China(No.41271068)
The Chinese yew(Taxus wallichiana),which is widely distributed in the Himalayas and in southern China,is now on the edge of extinction.In order to understand the evolutionary processes that control the current diver...