It is concluded that controlling the external pollution resource is the key factor to guarantee self-purification ability of river.
说明控制外源污染是河流保证自我修复能力的关键。
Water environment impact is related to the style and strength of the activities and with the water areas self-purification ability.
旅游活动对水环境的影响除了与活动方式、活动强度有关外，与水域面积、自净能力亦有显著的关系。
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.
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。
Metabolism coupling of phytoplankton and microorganism is the basis of indicating culture water's self purification ability and keeping it stable.
养殖水体浮游植物和微生物的代谢偶联，是反映水体自净能力，保持水体稳定的基础。
Metabolism coupling of phytoplankton and microorganism is the basis of indicating culture water's self purification ability and keeping it stable.
养殖水体浮游植物和微生物的代谢偶联，是反映水体自净能力，保持水体稳定的基础。
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