The livestock sector is probably the largest source of water pollution, contributing to eutrophication, 'dead' zones in coastal areas and degradation of coral reefs.
畜牧业很可能是水污染的最大来源，造成富营养化、沿海地区出现“死区”和珊瑚礁退化。
Most of the coastal sea areas experienced good water quality despite continued severe pollution in some areas. Water quality of high sea areas remained in good condition.
除部分地区污染状况加剧外，大部分海洋地区水质良好。深海地区水质状况维持在较好的状态。
However, in the course of the investigation also found that except the heavy metal pollution, coastal production and waste water pollution on the Bijiang river can not be ignored.
然而在调查过程中也发现，除重金属污染外，沿岸的生产生活垃圾及粪便污水对批江的污染也不容忽视。
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