Analysis of Non-point Pollution Investigation and Watershed Environmental Quality Assessment in Qiaodian Reservoir
This paper takes Qiaodian Reservoir watershed as an example to investigate and collect basic data to evaluate and analyze the spatial and temporal variation of soil and water environmental pollution in the watershed.The results show that the non-point pollution in the basin is from a wide range of sources,mainly from planting and breeding.In terms of domestic sources,sewage and garbage collection and treatment facilities are lacking.The environmental status of the reservoir water source protection area is better than that of the upper reaches of the basin,and the pollution degree is generally higher in the upper reaches and lower in the lower reaches.
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