中文摘要：

本文对重金属污染区山西省临汾钢铁有限公司（临钢）周围农田土壤动物的群落结构特征及其对重金属污染的富集进行了研究。采用手拣法和干漏斗法对临钢周围农田28个样点的土壤动物进行了调查，共获取土壤动物样品数2348，隶属于4门11纲。其中优势类群仅有前气门亚目，常见类群16类，12类稀有类群。对临钢周围农田土壤进行理化性质检测，结果显示土壤呈微碱性，肥力中等，重金属综合污染指数较大。综合土壤动物多样性及周围土壤环境的重金属污染数据，通过统计分析表明：（1）重金属污染地区土壤动物与土壤理化性质的相关性不显著（P〉0．05）；（2）土壤动物的种类和数量随污染指数的增加而减少；在垂直分布上，表聚性削弱，甚至出现逆分布现象；（3）随着土壤中重金属浓度的增加，蚯蚓和等足目体内的重金属含量也在上升。蚯蚓对Ni元素富集，对6种重金属元素的富集系数依次为Ni〉Mn〉Cu〉Pb=Cr〉Zn；等足目对Cu元素富集，对6种重金属元素的富集系数依次为Cu〉Mn〉Pb〉Zn〉Ni=Cr。

英文摘要：

Community organization and concentration of soil animals in heavy metal polluted area around Linfen iron-works in Shanxi province was investigated in this study. The soil animals in 28 sites of farmland around Lingang were investigated by hand picking method and tullgren method. A total of 2348 individuals of soil animal, including 4 phyla and 11 classes, were obtained, Prostigmata was the dominant species, and 16 kinds of them were common species and 12 were rare. The heavy metal comprehensive pollution index was higher in the soil samples with alkalescence and medium fertility. The results of statistical analysis showed that ： （ 1 ） the relationship between soil animals and soil physical and chemical properties was not significant （ P 〉 0.05 ） ; （2） the species and quantity of soil animals were decreased along with the increasing of pollution index ; additionally, the surface aggregation of soil animals would be decreased or even appeared contrary vertical distribution in heavily polluted soil; （3） the content of heavy metal in earthworms and other Isopoda would increase along with the increasing of the concentration of heavy metals in soil. And the concentration coefficients of 6 kinds of heavy metal ele- ment in earthworms was Ni 〉 Mn 〉 Cu 〉 Pb = Cr 〉 Zn, while in Isopoda were Cu 〉 Mn 〉 Pb 〉 Zn 〉 Ni = Cr.