Soil collembolan is deemed as an epitome of soil invertebrate and medium-sized soil animals because of its abundance in 摘要土壤弹尾目昆虫作为无脊椎动物和中型土壤动物的典型代表，其具有丰富的种类和巨大的生物量，在重金属污染环境评估中具有十分重要的地位和独特的优势。