求翻译：洞庭湖水体质量除直接受到来水影响外，湖区的各种污染源排放的污染物也直接影响湖区水质。水体中各种营养物质的日积月累，构成湖泊富营养化潜在危机。是什么意思？

Dongting Lake water quality in addition to directly affected by the runoff impact, Lakes of the various sources of pollution emissions of pollutants directly affect the Lakes water quality. Water column nutrients over time, constitute a potential crisis of lake eutrophication.

Dongting Lake water quality are in addition to the direct impact to water, the Lake District of various sources of pollution emission of pollutants, it has a direct impact lake water quality. In the water body of various nutrients, which have accumulated over the lake Eutrophication potential crisis

The Dongting Lake water body quality besides comes under the water influence directly, lake district each kind of source of pollution emissions pollutant also direct influence lake district water quality.In the water body each nutrients accumulating over a long period of time, constitutes the lake e

Dongting Lake water quality in addition to direct subject to water impact, lakes of emissions from various sources also directly affect the water quality of Lakes. A variety of nutrients in the water over time, constitutes a Lake eutrophication potential crises.

正在翻译，请等待...