Human perturbation on phosphorus cycles in one of China’s most eutrophicated lakes

Lake Dianchi is one of the most phosphorus-polluted lakes in China. Understanding its phosphorus budget and the corresponding limitations for research are fundamental to lake management. We have therefore systematically analyzed publications and publicly available datasets regarding Dianchi P pollut...

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Bibliographic Details
Published in:Resources, environment and sustainability environment and sustainability, 2021-06, Vol.4, p.100026, Article 100026
Main Authors: Yan, Kai, Xu, Jian-chu, Gao, Wei, Li, Ming-jiu, Yuan, Zeng-wei, Zhang, Fu-suo, Elser, James
Format: Article
Language:English
Subjects:
Data mining
Eutrophication
Phosphorus budget
Shallow fresh lake
Watershed environmental management
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Summary:Lake Dianchi is one of the most phosphorus-polluted lakes in China. Understanding its phosphorus budget and the corresponding limitations for research are fundamental to lake management. We have therefore systematically analyzed publications and publicly available datasets regarding Dianchi P pollution since the year 1960 to explore the anthropogenic perturbation on phosphorus budget dynamics. Results show that current exogenous loading (> 600 tons ⋅a−1) remains significant; inflow rivers and drainage pipes around the lakeshore are the main pathways (accounting for around 80% of loading). Besides shifts in the spatial–temporal pattern of exogenous loading, artificial treatments have also reshaped P removal patterns; consequently, only a small amount of P can be removed through lake outflows (
ISSN:2666-9161
2666-9161
DOI:10.1016/j.resenv.2021.100026