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The current situation of water pollutants and pollution source in Poyang Lake: A review
Summary
This review of pollution in China's largest freshwater lake, Poyang Lake, finds that microplastics are accumulating alongside heavy metals and elevated nitrogen and phosphorus from industrial discharge and human activity. Because Poyang Lake feeds the Yangtze River and supports major fisheries, microplastic buildup there has potential downstream consequences for aquatic ecosystems and the people who depend on them.
As the largest freshwater lake and the largest connecting lake in the Yangtze River basin, Poyang Lake stores abundant water resources, and undertakes multiple ecological functions. The water pollution of Poyang Lake is related to the ecological environment of the middle and lower reaches of the Yangtze River, and also affects the regional economic and social development. After sorting out and summarising other literatures, we analysed the main pollutants in Poyang Lake. The discharge of some industrial waste and frequent human activities are the main reasons for the increase of total phosphorus nitrogen, heavy metal pollutants and microplastic pollutants in Poyang Lake.
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