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为深入认识流沙生境中种植人工林对土壤动物多样性的影响,选择科尔沁流动沙地及其周围灌木林和乔木林地(生长年龄均为30年左右)为研究样地,对土壤动物群落与土壤环境进行调查,分析了土壤动物群落结构对流动沙地种植人工林的响应及影响因素.结果表明:流动沙地种植人工林对土壤性状产生显著影响,尤其是灌木林覆盖流动沙地显著改善了土壤环境,增加了土壤水分,提高了土壤营养条件.在3种林地中共捕获土壤动物485只、11个类群.优势类群为蜱螨目和弹尾目,常见类群为啮目,其他8个类群为稀有类群.从流动沙地到灌木林地和乔木林地,土壤动物密度减少,类群数和Shannon指数增加,而均匀度指数下降.但土壤动物密度、类群数、Shannon指数和均匀度指数在3种样地间均无显著性差异.土壤电导率是影响土壤动物类群数分布的重要因素.在科尔沁沙地,流动沙地种植人工林能够改善土壤环境和影响土壤动物多样性,但以30年的人工林研究其对流动沙地土壤动物群落的影响存在局限性.
In order to understand deeply the impact of planted forests on the diversity of soil animals in the quicksand habitat, we selected the Horqin sandy sandy land and its surrounding shrubbery and arborvitae woodland (the growing age is about 30 years) Environment were surveyed and the response of soil animal community structure to the planted artificial forest in the mobile sandy land and its influencing factors were analyzed.The results showed that planting artificial forest in the floating sandy land had a significant impact on soil properties, Soil environment, increased soil moisture and increased soil nutrient conditions.A total of 485 soil animal species and 11 soil taxa were captured in 3 kinds of woodlands.The dominant groups were Acarina and Collembola, the common groups were Mesophytes, and the other 8 groups were From mobile sandy land to shrub land and arbor woodland, the density of soil animal decreased, the number of taxa and Shannon’s index increased, while the index of evenness decreased, but the density, number of taxa, Shannon’s index and evenness index There was no significant difference between the soil and the soil electrical conductivity is an important factor affecting the distribution of soil fauna population in Horqin sandy land, Plantations can improve the soil environment and impact the diversity of soil animals, but there is a limit to studying the impact of plantation on the soil animal community in the floating sandy land in a 30-year-old plantation.