- 唐川副教授合作论文在American Journal of Agricultural Economics上发表 2025-02-17 该研究利用新型卫星遥感数据,在全国流域尺度首次建立了耕地面积与有害蓝藻暴发之间的因果关系:在现有的集约化耕种模式下,耕地面积每增加1%,流域蓝藻暴发面积平均增长0.5%,同时会显著延长蓝藻的存续时间。研究进一步证实了耕地氮磷流失具有累积和遗留效应,历史污染物会持续释放并对水环境施加长期压力。实证结果表明,2015年实施的全国化肥减量行动在短期内有效抑制了我国大湖中的有害蓝藻暴发,但其长期效果尚待评估。该研究不仅为农业面源污染治理提供了政策依据,...
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