临安山核桃主产区林地土壤重金属生态风险评价

刘道荣, 郑基滋, 占玄, 吴问丹

Ecological risk evaluation of heavy metals in soils of Carya cathayensis plantations, Lin'an

Dao-Rong LIU, Ji-Zi ZHENG, Xuan ZHAN, Wen-Dan WU

表6 临安区土壤重金属综合评价结果

Table 6 Overall evaluation results of soil heavy metals in study area

评价标准 清洁 P综≤0.7 尚清洁 0.7<P综≤1.0 轻度污染 1.0<P综≤2.0 中度污染 2.0<P综≤3.0 重度污染 P综>3.0 风险筛选值/% 46.88 9.38 25.0 9.38 9.38