ISWC OpenIR  > 水保所科研产出--SCI  > 2018--SCI
Beta diversity diminishes in a chronosequence of desertification in a desert steppe
Zhuangsheng Tang1; Hui An2; Guangyu Zhu1; Zhouping Shangguan1; Shangguan, ZP (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.
SubtypeArticle
2018
Source PublicationLAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
description.correspondentemailshangguan@ms.iswc.ac.cn
Volume29Issue:3Pages:543-550
AbstractBiodiversity is a central and multifaceted concept of community ecology, but a major challenge remains in understanding the variation mechanisms of biodiversity. Two ecological phenomena are shown in beta diversity: (a) spatial species turnover in space and (b) nestedness-resultant of assemblages. Using a field experiment focusing on a desert steppe ecosystem, we show that desertification influences those two components in divergent ways depending on whether a deterministic or stochastic process is driving community composition. Desertification was a major driver of local environmental heterogeneity, which also resulted in decreased soil nutrients and led to increased turnover in a heterogeneous environment; however, spatial turnover of species decreased with desertification intensify. Desertification decreases resource availability, which causes species loss and reduced total beta diversity. Those desertification effects, therefore, had a homogenizing effect on the community. However, stochastic processes cannot be disregarded as a factor in community composition determination. Overall, these results indicated that the study of desertification effects on beta diversity would add our knowledge of the deterministic and stochastic processes that create and maintain biodiversity. This is crucial to assess the relative importance between stochastic processes and deterministic processes.
KeywordBeta-diversity Dispersal Limitation Environmental Filtering Nestedness-resultant Spatial Species Turnover
Subject AreaEnvironmental Sciences & Ecology ; Agriculture
DOI10.1002/ldr.2885
Indexed BySCI
Publication Place111 RIVER ST, HOBOKEN 07030-5774, NJ USA
Language英语
WOS IDWOS:000428447600014
PublisherWILEY
Funding OrganizationNational Key Research and Development Program of China [2016YFC0501605] ; National Key Research and Development Program of China [2016YFC0501605] ; National Natural Science Foundation of China [41390463] ; National Natural Science Foundation of China [41390463]
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8285
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorShangguan, ZP (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
2.Ningxia Univ, United Ctr Ecol Res & Bioresource Exploitat Weste, Key Lab Restorat & Reconstruct Degraded Ecosyst N, Minist Educ, Yinchuan 750021, Peoples R China
Recommended Citation
GB/T 7714
Zhuangsheng Tang,Hui An,Guangyu Zhu,et al. Beta diversity diminishes in a chronosequence of desertification in a desert steppe[J]. LAND DEGRADATION & DEVELOPMENT,2018,29(3):543-550.
APA Zhuangsheng Tang,Hui An,Guangyu Zhu,Zhouping Shangguan,&Shangguan, ZP .(2018).Beta diversity diminishes in a chronosequence of desertification in a desert steppe.LAND DEGRADATION & DEVELOPMENT,29(3),543-550.
MLA Zhuangsheng Tang,et al."Beta diversity diminishes in a chronosequence of desertification in a desert steppe".LAND DEGRADATION & DEVELOPMENT 29.3(2018):543-550.
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