A DPSIR model for ecological security assessment through indicator screening: a case study at Dianchi Lake in China.

摘要: Given the important role of lake ecosystems in social and economic development, current severe environmental degradation China, a systematic diagnosis ecological security lakes is essential for sustainable development. A Driving-force, Pressure, Status, Impact, Risk (DPSIR) model, combined with data screening assessment was developed to overcome disadvantages selection existing methods. Correlation principal component analysis were used select independent representative data. The DPSIR model then applied evaluate Dianchi Lake China during 1988-2007 using an index. results revealed V-shaped trend. application provided useful information regarding status lake’s ecosystem, while ensuring efficiency eliminating multicollinearity. modeling approach described here practical operationally efficient, provides attractive alternative assess lakes.