Abstract
蚯蚓是土壤中典型的大型动物，在有机质分解、营养循环和土壤形成中起着极为重要的作用，具有重要的生态功能。运用样方调查法，对秦岭山地4种不同土地类型的蚯蚓密度、生物量进行了调查，分析了蚯蚓种群特征与土壤性质之间的关系。结果表明，不同土地类型下，土壤蚯蚓密度(P Earthworms are typical large animals in the soil, play an extremely important role in the decom-position of organic matter, nutrient cycling and soil formation, and have an important ecological function. The density and biomass of earthworms in 4 different land types in the Qinling Mountains were investigated using the sample survey method. And the relationship between the char-acteristics of earthworm populations and soil properties was analyzed. The results showed that there were significant differences in soil earthworm density (P
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