%0 Journal Article %T 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 %A BAI Zhong Ke %A
白中科 %J 生态学报 %D 1999 %I %X 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 ... %K large opencast mine %K ecosystem %K damage
大型露天煤矿 %K 生态系统 %K 生态失衡 %K 平朔 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=5BEFD7FDCDF3074CB0E3404E273FD073&yid=B914830F5B1D1078&vid=2A8D03AD8076A2E3&iid=B31275AF3241DB2D&sid=971ECAFE8682845B&eid=4AA5FA7F666BDD0A&journal_id=1000-0933&journal_name=生态学报&referenced_num=23&reference_num=7