摘要 : Distribution characteristics of soil animals, microorganisms and enzymatic activity were studied in the dry red soil and Vertisol ecosystems with different degradation degrees in the Yuanmou dry hot valley of the Jinsha River, Chi... 展开 Distribution characteristics of soil animals, microorganisms and enzymatic activity were studied in the dry red soil and Vertisol ecosystems with different degradation degrees in the Yuanmou dry hot valley of the Jinsha River, Chian. Results showed that Hymenoptera, Araneae and Collemboal were the dominant groups Of soil animals in the plots studied. The numbers of groups and individuals and density of soil animals in the Dry red soil series were higher than those in the Vertisol series, and the numbers of individuals and density of Soil animals decreased with the degree of sol degradation. 收起