指被评价区域内林地、草地、农田、建设用地和未利用地五种类型的面积占被评价区域面积的比重。 用于反映被评价区域植被覆盖的程度。
两年的植被覆盖指数相差较大，说明植被覆盖减少显著。
Vegetation cover index decreases by a big margin, indicating that the vegetation cover reduces obviously.
土地植被覆盖指数的准确度取决于图像分类准确度，但与分类总准确度没有直接关系。
The accuracy of land vegetative cover index rested with the accuracy of image classification, but had no direct relations with total classification accuracy.
以中国资源环境数据库为支撑，计算出1995和2000年湖北省各市县植被覆盖指数及省级归一化系数。
Based on Chinese Resources and Environment Database, the vegetation coverage index for each county and its provincial normalized coefficient of 1995 and 2000 of Hubei province are calculated.
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