毛乌素沙地火电厂周边不同类型生物结皮酶活性及其影响因素

王融融, 樊瑾, 丛士翔, 余海龙, 黄菊莹

Enzyme activity characteristics and their influencing factors of different biocrusts around thermal plant in Mu Us Sandy Land

Rongrong Wang, Jin Fan, Shixiang Cong, Hailong Yu, Juying Huang

表5 矿区不同类型生物结皮土壤重金属地累积指数

Table 5 The geoaccumulation index of different biocrusts in mining area

样品 土层 Hg Pb As Cd Cr Zn 藻结皮 结皮层 1.657 -0.354 1.032 2.091 0.503 -0.178 0~5 cm 1.583 -0.635 0.989 0.985 0.499 -0.478 5~10 cm 1.573 -0.707 0.887 0.668 0.395 -0.526 10~20 cm 1.537 -0.703 0.840 0.636 0.431 -0.526 混生结皮 结皮层 1.722 -0.141 1.306 2.309 0.614 -0.115 0~5 cm 1.701 -0.644 1.168 0.937 0.528 -0.493 5~10 cm 1.539 -0.705 0.985 0.618 0.515 -0.495 10~20 cm 1.616 -0.739 0.912 0.584 0.492 -0.534 藓结皮 结皮层 1.988 -0.076 1.366 2.632 0.617 -0.009 0~5 cm 1.941 -0.652 1.196 1.047 0.509 -0.468 5~10 cm 1.743 -0.828 1.125 0.673 0.420 -0.573 10~20 cm 1.716 -0.809 0.831 0.632 0.384 -0.476