The development and construction of mining industry are increasingly focusing on ecologi-cal environment protection.The environmental impact assessment of Duocaima lead-zinc mining area is car-ried out,and the sensitivity analysis of environmental impact factors is carried out from five aspects of ecolo-gy,soil,surface water,groundwater and atmosphere.The mining area is divided into two stages of construc-tion period and operation period through the time relationship to evaluate the impact.At the same time,through the actual situation of the mining area,the three stages of construction period,operation period and later service period are divided to study the actual ecological environment management and related protec-tion measures in the mining area.The environmental assessment of the mining area based on the sensitivity analysis of the five environmental factors can provide an important reference for the ecological environment management of the mining area and the subsequent construction of the mining area,and provide practical value for the sustainable development of the mining area.
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