Are nitrogen-to-phosphorus ratios of Chinese lakes actually increasing?
Boqiang QinYunlin ZhangGuangwei ZhuZhijun GongJianming DengDavid P HamiltonGuang GaoKun ShiJian ZhouKeqiang ShaoMengyuan ZhuYongqiang ZhouXiangming TangLiang LiPublished in: Proceedings of the National Academy of Sciences of the United States of America (2020)
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