In order to reveal their position and function to improve and develop the purple soil, this paper investigates soil animals from 7 habitats of the purple soil in the district of Hengyang.

• 摘要为了揭示土壤动物在紫色土壤改良和发育进程中的地位和作用，对衡阳地区紫色土壤7种生境中的土壤动物进行了调查。