Research on Evaluation of Ecological Carrying Capacity of Qinghai Province Based on PSR Model

Quantitative research and evaluation of ecological carrying capacity in Qinghai Province is line with the requirements 13th five-year plan, practical significance to construction civilization Province. Based on PSR model, this paper constructs index system from three aspects pressure, state ,and response, uses entropy method determine weight coefficient, comprehensively evaluates changing trend since 12th Five Year Plan perspectives economy, society, resources, environment. The results show that: 2011 2019, comprehensive shows a first decreasing then increasing, response increases greatly, fluctuating growth, pressure relatively stable. this, model are typical quantifiable, which can provide reference for provincial government control environment, study sustainability delimit red line.