云南省安宁地区土壤重金属等元素生态地球化学调查与评价

范晨子, 袁继海, 刘成海, 郭威, 孙冬阳, 刘崴, 赵九江, 胡俊栋, 赵令浩

Eco-geochemical survey and evaluation of heavy metals and other elements in soil in Anning City, Yunnan Province

FAN Chen-Zi, YUAN Ji-Hai, LIU Cheng-Hai, GUO Wei, SUN Dong-Yang, LIU Wei, ZHAO Jiu-Jiang, HU Jun-Dong, ZHAO Ling-Hao

表3 安宁地区土壤重金属潜在生态风险指数等级比例

Table 3 Potential ecological risk coefficient of soil heavy metals in Anning

重金属元素 不同潜在生态风险样品数占该区域样品总数百分比/% 轻微 中等 强 很强 极强 Cr 100 0 0 0 0 Ni 99.95 0.05 0 0 0 Cu 99.51 0.41 0.08 0 0 Zn 99.92 0.08 0 0 0 As 64.89 28.17 5.87 0.90 0.16 Cd 56.10 19.38 14.00 7.22 3.29 Pb 93.02 5.50 1.27 0.16 0.04 Hg 28.34 26.65 23.74 15.36 5.38