干旱区生态环境知识资源中心(Arid): Spatial patterns and ecological drivers of soil nematode beta-diversity in natural grasslands vary among vegetation types and trophic position

Arid

DOI	10.1111/1365-2656.13461
	Spatial patterns and ecological drivers of soil nematode beta-diversity in natural grasslands vary among vegetation types and trophic position
	Xiong, Dan; Wei, Cunzheng; Wang, Xugao; Lu, Xiaotao; Fang, Shuai; Li, Yingbin; Wang, Xiaobo; Liang, Wenju; Han, Xingguo; Bezemer, Thiemo Martijn; Li, Qi
通讯作者	Li, YB ; Li, Q (corresponding author), Chinese Acad Sci, Inst Appl Ecol, Erguna Forest Steppe Ecotone Res Stn, Shenyang, Peoples R China.
来源期刊	JOURNAL OF ANIMAL ECOLOGY
ISSN	0021-8790
EISSN	1365-2656
出版年	2021
卷号	90 期号:5 页码:1367-1378
英文摘要	Understanding biogeographic patterns of community assemblages is a core objective in ecology, but for soil communities these patterns are poorly understood. To understand the spatial patterns and underlying mechanisms of beta-diversity in soil communities, we investigated the beta-diversity of soil nematode communities along a 3,200-km transect across semi-arid and arid grasslands. Spatial turnover and nested-resultant are the two fundamental components of beta-diversity, which have been attributed to various processes of community assembly. We calculated the spatial turnover and nested-resultant components of soil nematode beta-diversity based on the beta-partitioning framework. Distance matrices for the dissimilarity of soil nematode communities were computed using the 'Sorensen' method. We fitted negative exponential models to compare the distance decay patterns in nematode community similarity with geographic distance and plant community distance in three vegetation types (desert, desert steppe and typical steppe) and along the whole transect. Variation partitioning was used to distinguish the contribution of geographic distance and environmental variables to beta-diversity and the partitioned components. Geographic distance and environmental filtering jointly drove the beta-diversity patterns of nematode community, but environmental filtering explained more of the variation in beta-diversity in the desert and typical steppe, whereas geographic distance was important in the desert steppe. Nematode community assembly was explained more by the spatial turnover component than by the nested-resultant component. For nematode feeding groups, the beta-diversity in different vegetation types increased with geographic distance and plant community distance, but the nested-resultant component of bacterial feeders in the desert ecosystem decreased with geographic distance and plant community distance. Our findings show that spatial variation in soil nematode communities is regulated by environmental processes at the vegetation type scale, while spatial processes mainly work on the regional scale, and emphasize that the spatial patterns and drivers of nematode beta-diversity differ among trophic levels. Our study provides insight into the ecological processes that maintain soil biodiversity and biogeographic patterns of soil community assemblage at large spatial scales.
英文关键词	grassland ecosystem soil community spatial turnover trophic position vegetation type β ‐ diversity
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000629689300001
WOS类目	Ecology ; Zoology
WOS研究方向	Environmental Sciences & Ecology ; Zoology
来源机构	中国科学院植物研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/350657
作者单位	[Xiong, Dan; Wang, Xugao; Lu, Xiaotao; Fang, Shuai; Li, Yingbin; Wang, Xiaobo; Liang, Wenju; Han, Xingguo; Li, Qi] Chinese Acad Sci, Inst Appl Ecol, Erguna Forest Steppe Ecotone Res Stn, Shenyang, Peoples R China; [Xiong, Dan; Han, Xingguo] Univ Chinese Acad Sci, Beijing, Peoples R China; [Wei, Cunzheng; Han, Xingguo] Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China; [Bezemer, Thiemo Martijn] Netherlands Inst Ecol NIOO KNAW, Dept Terr Ecol, Wageningen, Netherlands; [Bezemer, Thiemo Martijn] Leiden Univ, Inst Biol, Sect Plant Ecol & Phytochem, Leiden, Netherlands
推荐引用方式 GB/T 7714	Xiong, Dan,Wei, Cunzheng,Wang, Xugao,et al. Spatial patterns and ecological drivers of soil nematode beta-diversity in natural grasslands vary among vegetation types and trophic position[J]. 中国科学院植物研究所,2021,90(5):1367-1378.
APA	Xiong, Dan.,Wei, Cunzheng.,Wang, Xugao.,Lu, Xiaotao.,Fang, Shuai.,...&Li, Qi.(2021).Spatial patterns and ecological drivers of soil nematode beta-diversity in natural grasslands vary among vegetation types and trophic position.JOURNAL OF ANIMAL ECOLOGY,90(5),1367-1378.
MLA	Xiong, Dan,et al."Spatial patterns and ecological drivers of soil nematode beta-diversity in natural grasslands vary among vegetation types and trophic position".JOURNAL OF ANIMAL ECOLOGY 90.5(2021):1367-1378.