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The Daqing lakes are located in the region with sub-humid continent al monsoon climate. Through historical comparison of the environment before and after oil field exploitation in the area, the paper analyses the impact of oil f ield exploitation on the eco-environment of the lakes, including the impact of diversion works, drainage works, exploitation and utilization of groundwater, dr opped crude oil and petrochemical wastewater on the lakes water body. The analys is shows that oil field exploitation caused serious pollution to soil in the lak es area and deterioration of the eco-environment. The impact became more eviden t with passage of time, and the intensity varied with areas, getting more seriou s from west to east, which meant that the eastern part of the lakes were influen ced much more seriously by the human activities. To improve the eco-environment of the Daqing lakes and make them sustainable utilization, the effective protec tion measures should be taken.
Through Damascus, the Daqing lakes are located in the region with sub-humid continent al monsoon climate. Through historical comparison of the environment before and after oil field exploitation in the area, the paper analyzes the impact of oil f ield exploitation on the eco-environment of the lakes, including the impact of diversion works, drainage works, exploitation and utilization of groundwater, dr opped crude oil and petrochemical wastewater on the lakes water body. The analys is shows that oil field exploitation caused serious pollution to soil in the lakes es area and deterioration of the eco-environment. The impact became more eviden t with passage of time, and the intensity varied with areas, getting more seriou s from west to east, which meant that the eastern part of the lakes were influen ced much more by the human activities. To improve the eco-environment of the Daqing lakes and make them sustainable utilization, the effective protec tion measures should be taken.