id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
esrj-92387	Huang, Yanyan 	Destruction process and restoration countermeasures of the ecological environment of a comprehensive geological structure	2021	9	.pdf	application/pdf	6371	271	35	Considering the geological structure of the mining area, from the perspective of the four problems shown in the table, the damage of mining to the ecological environment was analyzed, and then corresponding countermeasures for ecological environment restoration were proposed. freeze-thaw Medium Strong Medium Strong Medium Strong Medium Strong score 5 10 5 10 5 10 5 10 Geological disaster Score 10 8 6 4 2 frequency ≥10 5-9 3-4 1-2 0 Economic losses >100 10-100 1-10 0.1-1 ≤0.1 Casualties ≥10 5-9 3-4 1-2 0 Sphere of influence >1 0.1-1 0.01-0.1 0-0.01 0 Occupation and destruction of land resources Score 10 8 6 4 2 Occupied land area >1 0.5-1 0.1-0.5 0.01-0.1 ≤0.01 Area of occupied land >0.5 0.1-0.5 0.01-0.1 0-0.01 0 waste water disposal Score 10 8 6 4 2 Annual emissions >1 0.1-1 0.01-0.1 0-0.01 0 Solid waste discharge Score 10 8 6 4 2 Accumulated stock >10 1-10 0.1-1 0.01-0.1 ≤0.01 Wastewater toxicity Score 10 2 toxicity poisonous Non-toxic Groundwater equilibrium damage Score 10 8 6 4 2 Drainage area >1 0.1-1 0.01-0.1 0-0.01 0 435Destruction process and restoration countermeasures of the ecological environment of a comprehensive geological structure Where, S represents the productivity value of forest resources in the resource extraction area, n is constant, qi represents the area of the plant in i years, wi represents the increase in the unit area of forest resources, ei represents the price of net income per unit area of plant resources such as forests,  represents the price growth rate; L indicates the value of scientific research and tourism, ri indicates the benefits of scientific research and tourism brought by the unit forest, Ui represents the forest area for ecological environment restoration; H represents the average annual storage value, ti represents the average price of building a reservoir per square meter, yi indicates the amount of water stored before the restoration of the ecological environment,  represents the price increase factor; D represents the value of biodiversity, i indicates the ecological value of the unit area of the ecological environment, ci indicates the area of ecological environment restoration; Jis the value of degrading pollutants, miindicates the treatment cost per unit of pollutant, bi is the amount of pollutants degraded in the surrounding area after the restoration of the ecological environment.	cache/esrj-92387.pdf	txt/esrj-92387.txt