The hydrobiology status in pond with died fish and live fish is analyzed through massive investigation of died fish accident in surrounded pond in Longxue island,Nansha.

• 对广州番禺南沙龙穴岛大面积基围鱼塘死鱼事件进行调查,分析了死鱼鱼塘和未死鱼鱼塘的水生生物状况。