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3 土壤重金属与理化指标间的相关系数(n=32)

Table 3 Correlation coefficient between heavy metals and physico-chemical properties in soil(n=32)

指标 Cu Pb Zn Ni Cr Cd As Hg Se Ge 有机质 F pH Cu 1 Pb -0.039 1 Zn 0.656** 0.290 1 Ni 0.876** -0.096 0.679** 1 Cr 0.669** -0.222 0.446** 0.818** 1 Cd 0.058 0.713** 0.431* -0.011 -0.344 1 As 0.209 0.128 0.006 0.078 0.084 0.008 1 Hg 0.044 0.024 -0.140 -0.227 -0.243 -0.125 0.131 1 Se 0.361* 0.137 0.458** 0.364* 0.128 0.267 0.110 0.016 1 Ge 0.343 -0.325 -0.034 0.221 0.524** -0.600** 0.033 0.085 -0.252 1 有机质 0.058 -0.062 -0.201 -0.004 0.024 -0.009 0.007 0.173 0.178 -0.130 1 F 0.704** 0.125 0.539** 0.502** 0.397* 0.234 0.087 -0.011 0.124 0.348* 0.004 1 pH 0.061 0.290 0.352* 0.006 -0.112 0.553** -0.080 -0.222 -0.087 -0.412* 0.185 0.389* 1