Ecosystem damage in a large opencast coal mine --A case study on Pingshuo Surface Coal Mine,China
大型露天煤矿生态系统受损研究——以平朔露天煤矿为例

The restoration and rehabilitation for damaged ecosystems in mined areas is regarded as a key project. A study on the degraded ecosystem in the Pingshuo Surface Coal Mine for 13 years shows that development of this degradation can be divided into 3 stages and 4 types.The factors causing ecosystem damage include improper excavation,cover occupation and pollution of the land As a result an area of 160 km 2 has been destroyed,at a stripped rate of about 7800×10 4m 3·a -1 to rock and loess during the ...