Indices of ecological effects of grassland nature reserves in China

Based on quantitative reports and literatures about effectiveness assessment of nature reserves and the status indicators from DPSIR model, 15 key indicators assigned to 5 criteria were selected as the indicator system to evaluate the ecological effects of grassland nature reservation. The present study also analyzed the corresponding quantitative parameters of the indicator about protected objectives, ecological function and environmental factors according to the relevant regulations and standards and academic authorities. These indicators can be selected to assess subjects and goals, evaluation cycle as well as existing data in practice. Therefore, these indices possible represented the ecological effects of grassland nature reserves.