菏泽市水系沉积物重金属特征及风险评估
徐雄, 孙艳亭, 肖方, 肖培平, 董应尚, 李敏

Characteristics and risk assessment of the heavy metals in stream sediments of Heze City
XU Xiong, SUN Yan-Ting, XIAO Fang, XIAO Pei-Ping, DONG Ying-Shang, LI Min
图3 不同重金属对潜在生态风险指数的贡献
Fig.3 Contribution of different heavy metals to potential ecological risk index