在控制污染负荷排放的同时，也要保证河流基本流量，提高水体自净能力，改善渭河水体的污染现状。
To improve the self-purification ability and pollution situation of river water, control the pollution load and ensure the river basic flow are two important ways.
以大宁河流域为研究区域，应用SWAT模型进行了流域农业非点源污染负荷的模拟计算。
SWAT model was used to evaluate agricultural non - point source pollution of Daning River watershed.
文章分析了蜚克图河流域工程建设、林草植被破坏、 土壤侵蚀、 水质污染、超负荷用水等使流域生态系统面临的威胁。
The paper analyses the stress faced by the ecological system of Feiketu river basin due to project construction, vegetation damage, soil erosion, water pollution and overburden water use.
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