草原与草坪2025，Vol.45Issue(6)：48-56,9.DOI:10.13817/j.cnki.cyycp.2025.06.006
伊犁山地草原不同生境中小型土壤动物群落结构变化及影响因素
Structural composition and environmental drivers of soil meso-micro fauna communities in distinct habi-tats of the Yili mountain steppe
摘要
Abstract
[Objective]To explore the community distribution characteristics of meso-micro soil fauna in dis-tinct habitats and their responses to environmental factors in the Yili Valley.[Method]Four typical plant communi-ties were selected as study sites:Salicyna colony(I),Artemisia Yili colony(Ⅱ),Leymus chinensis colony(Ⅲ),and sophora alopecosa colony(Ⅳ).We investigated the composition and diversity characteristics of soil fauna community in each habitat.[Result]A total of 1895 meso-micro soil fauna were collected,belonging to 2 phyla,5 classes,13 or-ders,and 24 families.Oribatida and Actinedida were the dominant groups.Pairwise community comparisons using the Jaccard similarity index indicated a state of moderate similarity.Horizontal distribution analysis revealed no significant differences in the average density of individuals among the four habitats(P>0.05).However,significant differences were observed in the number of taxonomic groups(P<0.05)Diversity indices also varied significantly across habitats(P<0.05).The Shannon-Wiener index and Pielou index were highest in plot I and significantly exceeding those in plot II,while plots Ⅲ and Ⅳ showed lower values.The Simpson index was highest in plot Ⅰ,significantly greater than in plot Ⅲ,but lower in plots Ⅱ and Ⅳ.The Margalef index was highest in plot Ⅲ,significantly surpassing that of plots Ⅰ and Ⅳ,and lowest in plot Ⅱ.The density-group index was highest in plot Ⅲ and significantly higher than in plot Ⅱ.The Pearson correlation identified that soil total potassium,total phosphorus,and alkali-hydrolyzed nitro-gen were the primary soil factors affecting the diversity of meso-micro soil faunas.Redundancy analysis indicated that soil organic matter,alkali-hydrolyzed nitrogen,and available phosphorus were the main drivers of community distribu-tion.[Conclusion]The community structure of meso-and micro-soil fauna differs significantly among habitats.The Leymus chinensis community(Ⅲ)appears to provide a more suitable environment for the breeding and survival of these soil animals.关键词
土壤动物/中小型/不同生境/群落特征/土壤理化因子/山地草原Key words
soil fauna/meso-micro/distinct habitat/community characteristics/soil edaphic physicochemical fac-tors/mountain steppe分类
农业科技引用本文复制引用
张敏如,崔东,张雨露,江智诚,闫江超,刘江慧,王巧莉..伊犁山地草原不同生境中小型土壤动物群落结构变化及影响因素[J].草原与草坪,2025,45(6):48-56,9.基金项目
第三次新疆综合科学考察项目(2022xjkk0405) （2022xjkk0405）
伊犁师范大学提升学科综合实力专项自科重点项目(22XKZZ01) （22XKZZ01）
