ISWC OpenIR  > 水保所科研产出--SCI  > 2017--SCI
Spatial continuity and local conditions determine spatial pattern of dried soil layers on the Chinese Loess Plateau
Zhang, Chencheng1,2; Shao, Ming'an3; Jia, Xiaoxu3; Shao, MA; Jia, XX (reprint author), Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China.
SubtypeArticle
2017
Source PublicationJOURNAL OF SOILS AND SEDIMENTS
ISSN1439-0108
description.correspondentemailmashao@ms.iswc.ac.cn ; jiaxx@igsnrr.ac.cn
Volume17Issue:8Pages:2030-2039
AbstractPurpose Many efforts of restoring vegetation have ignored the feedbacks between biotic and abiotic factors that have developed in water-limited ecosystem. Dried soil layers (DSLs) have formed extensively on the Chinese Loess Plateau (CLP). The objective of this study was to identify the primary factors controlling spatial pattern of DSLs on the CLP. Materials and methods Two DSL indices (DSL thickness (DSLT) and soil water content in a DSL (DSL-SWC)) were estimated by measuring SWC to a depth of 5 m at 86 sites along a south-north transect on the CLP in 2013. The correlation between the spatial pattern of DSLs and environmental factors was determined with redundancy analysis (RDA). Result and discussion DSLs had formed at most of the sites (66 of the 86 sites) along the transect. The sites without DSLs were primarily in an irrigated agricultural zone. DSLT was > 400 cm and generally increased from south to north, and DSL-SWC was 2.54% (v/v) in the semi-arid zone of the transect. The connected features of DSLs between connected neighboring sampling units exhibited a much wider extent. A total of nine environmental variables were the primary contributors to the spatial pattern of the DSLs, explaining approximately 47.3% of the variability. Local conditions were responsible for the higher proportion of explained variability than climatic factors. In addition, field capacity was the most important factor in all environmental factors, which may have influenced water-holding capacity. Conclusion This study concludes that spatial continuity and local conditions determine the spatial pattern of DSLs at a regional scale. Understanding the characteristic of DSLs is useful for efficiency of vegetation restoration and soil water management.
KeywordDried Soil Layer Feedback Spatial Continuity The Loess Plateau Water-limited Region
Subject AreaEnvironmental Sciences & Ecology ; Agriculture
DOI10.1007/s11368-017-1656-x
URL查看原文
Indexed BySCI
Publication PlaceHEIDELBERG
Language英语
WOS IDWOS:000405581200003
PublisherSPRINGER HEIDELBERG
Funding OrganizationNational Natural Science Foundation of China [41530854, 41501233]; National Key Project for Research and Development [2016YFC0501605]; Program for Bingwei Excellent Talents in the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences [2015RC204] ; National Natural Science Foundation of China [41530854, 41501233]; National Key Project for Research and Development [2016YFC0501605]; Program for Bingwei Excellent Talents in the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences [2015RC204]
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/7953
Collection水保所科研产出--SCI_2017--SCI
Corresponding AuthorShao, MA; Jia, XX (reprint author), Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China.
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Chencheng,Shao, Ming'an,Jia, Xiaoxu,et al. Spatial continuity and local conditions determine spatial pattern of dried soil layers on the Chinese Loess Plateau[J]. JOURNAL OF SOILS AND SEDIMENTS,2017,17(8):2030-2039.
APA Zhang, Chencheng,Shao, Ming'an,Jia, Xiaoxu,Shao, MA,&Jia, XX .(2017).Spatial continuity and local conditions determine spatial pattern of dried soil layers on the Chinese Loess Plateau.JOURNAL OF SOILS AND SEDIMENTS,17(8),2030-2039.
MLA Zhang, Chencheng,et al."Spatial continuity and local conditions determine spatial pattern of dried soil layers on the Chinese Loess Plateau".JOURNAL OF SOILS AND SEDIMENTS 17.8(2017):2030-2039.
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