博斯腾湖流域绿洲农田土壤重金属污染及潜在生态风险评价

麦麦提吐尔逊·艾则孜, 阿吉古丽·马木提, 艾尼瓦尔·买买提, 马国飞

Assessment of heavy metal pollution and its potential ecological risks of farmland soils of oasis in Bosten Lake Basin

EZIZ Mamattursun, MAMUT Ajigul, MOHAMMAD Anwar, Guofei MA

表3 博斯腾湖流域CF不同污染级别样点数占样点总数的比例(%)

Tab. 3 Proportion of sites at different CF levels to the total number of sites in Bosten Lake Basin (%)

重金属元素 无污染 轻微污染 轻度污染 中度污染 重度污染 As 76.32 15.26 6.32 1.05 1.05 Cd 4.10 8.72 62.56 23.59 1.03 Cr 0.53 32.11 66.84 0.53 0 Cu 0 25.79 73.16 1.05 0 Mn 40.00 58.95 1.05 0 0 Ni 0 11.05 87.37 1.58 0 Pb 15.26 3.68 33.68 23.16 24.21 Zn 1.58 31.05 55.79 4.21 7.37