Surface soil peeling off and technology of ecological reclamationand beforehand reclamation in coal mining area;

In the study of current situation of waste dumps and open pits of Huolinhe opencast mine,two ecological reclamation models of waste dumps were designed and the Borda method was adopted to sort the reclamation of numerous and scattered waste dumps,which can provide theoretical basis for the decision making of ecological reclamation in the mining area.

Study on terracing dynamic reclamation of mining collapsed area;

In order to improve the environment of mining area, the authors put forward the following methods of organism reclamation to ameliorate the soil according to specific conditions of Jiaozuo mining area: (1) acid_alkali neutralization method, (2) green manure method, (3) chemical fertilizer a.

According to the actual situation of inning in Zhejiang,it puts forward the assumption of ecological inning evaluating system,chooses the specific evaluating indexes and elementarily establishes the ecological inning evaluating system.