近30年中国农业源氮磷排放的格局特征与水环境影响

马恩朴, 蔡建明, 林静, 廖柳文, 郭华, 韩燕

Spatial pattern and water environmental impact of nitrogen and phosphorus emissions from agricultural sources in China in recent 30 years

MA En-pu, CAI Jian-ming, LIN Jing, LIAO Liu-wen, GUO Hua, HAN Yan

图7 中国农业源氮、磷排放的重心转移过程

Fig. 7 The centre of gravity shifting process of nitrogen and phosphorus emission from agricultural sources in China