Phosphorus loading can cause eutrophication of lakes. Analyses of lake chemistry in China reveal that policies have led to lower phosphorus levels overall, but increasing trends in some lakes suggest that expanded policies may be needed.
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Corman, J. Cleaner Chinese lakes. Nature Geosci 10, 469–470 (2017). https://doi.org/10.1038/ngeo2977
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DOI: https://doi.org/10.1038/ngeo2977
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