土壤动物,顾名思义,是指那些生活在土壤或落叶下的各种小动物的总称,包括蚯蚓、蚂蚁、线虫、蜘蛛、跳虫、螨类等很多种类。土壤动物通常能够促进枯枝落叶等自然界“垃圾”的分解,改善土壤结构,提高土壤肥力,对维系生态系统的健康运转具有重要意义。其中,土壤螨类是土壤动物中的重要组成部分。土壤螨类是红松洼自然生态系统的重要组成部分,也是红松洼草原重要的分解者,更是守卫 Soil animals, as its name implies, refer to the general term for all kinds of small animals living under the soil or fallen leaves, including earthworms, ants, nematodes, spiders, hoppers and mites. Soil animals are usually able to promote the decomposition of litter and other natural “garbage”, improve the soil structure and improve soil fertility, which is of great significance for maintaining the healthy functioning of the ecosystem. Among them, soil mites is an important part of soil animals. Soil mites is an important part of the natural ecosystem of the karst depression and also an important decomposer of the karst steppe prairie.