黄石市城市边缘区土壤重金属分布特征、风险评价及溯源分析
杨育振, 刘森荣, 杨勇, 李丽芬, 刘圣华, 亢益华, 费新强, 高云亮, 高宝龙

Heavy metals in peri-urban soil of Huangshi: Their distribution, risk assessment and source identification
YANG Yu-Zhen, LIU Sen-Rong, YANG Yong, LI Li-Fen, LIU Sheng-Hua, KANG Yi-Hua, FEI Xin-Qiang, GAO Yun-Liang, GAO Bao-Long
图3 深层土壤与表层土壤中pH和各重金属对比
a—水田(表层和深层土壤样品各90件);b—旱地(表层和深层土壤样品各30件);c—林地(表层和深层土壤样品各18件)
Fig.3 Comparison of pH and heavy metals content between the topsoil and the deepsoil
a—paddy land (surface and deep soil samples each 90);b—dry land (topsoil and deepsoil samples each 30);c— forest land (surface and deep soil samples each 18)