Land destruction caused by coal mining;

The effect and protective countermeasures of coal mining on mine area environment;

Major questions the "Guidelines for coal mining accounting" to deal with

Influence of coal exploitation on forest ecosystem in Shanxi;

In order to open out the influence of coal exploitation on forest ecosystem in Shanxi, and provide basic datum for vegetation restoration in mineral area, the cosmically coal exploitation area, exploitation empty area and area impacted by coal exploitation obviously were selected as investigating region, and regional Pinus tablaeformis forest was researched as main stand.

The coal exploitation in Shanxi has brought enormous economic benefits to china’s economy,and along with the enormous ecological damage and the serious environment pollution of this area.

Research of coal mining option of the production function of a certain coal pit based on Black-Shcoles model;