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Changes in soil physical and chemical properties after short drought stress in semi-humid forests
Zhang, Qingyin1; Shao, Mingan1,2; Jia, Xiaoxu2,3; Wei, Xiaorong1
2019-03-15
Source PublicationGEODERMA
ISSN0016-7061
Volume338Pages:170-177
Corresponding AuthorJia, Xiaoxu(jiaxx@igsnrr.ac.cn)
AbstractThe Loess Plateau region of China is under increasing water shortage due to declining soil water content after reforestation. Thus, assessing the changes in soils properties in reforested lands is critical for sustainable restoration of vegetation. We conducted a continuous rainfall manipulation experiment from June 2015 to November 2016 using mature black locust (Robinia pseudoacacia) on southern Loess Plateau of China. The soil hydrological properties, aggregate distribution and aggregate organic carbon (CC) and total nitrogen (N) concentrations were measured. Two years of drought stress caused a significant decline in saturated hydraulic conductivity and total porosity, but an increase bulk density in the 0-10 cm soil layer. The short drought stress significantly decreased soil aggregate stability due to a decline in macro-aggregate mass. Drought stress significantly decreased total soil OC concentration and macro- and micro-OC or N concentrations, but had no significant effect on total N concentration after two years of drought. Furthermore, the influence of short drought on soil hydrological properties, aggregate distribution and aggregate OC and total N concentrations was mainly evident at the depth of 10 cm. Our results indicated that short drought has the potential to damage soil properties. The results of this study could provide more insight into the sustainability of afforestation in semi-humid areas of China's Loess Plateau.
KeywordSoil property Soil moisture Short drought Aggregate Black locust Loess plateau
DOI10.1016/j.geoderma.2018.11.051
WOS KeywordLOCUST ROBINIA-PSEUDOACACIA ; AGGREGATE-ASSOCIATED CARBON ; LOESSIAL GULLY REGION ; LAND-USE TYPES ; PINE PLANTATION ; ORGANIC-MATTER ; PROPERTIES RESPONSE ; DIFFERENT TILLAGE ; MOISTURE DECLINE ; NITROGEN
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41390461] ; National Natural Science Foundation of China[41530854] ; International Partnership Program of Chinese Academy of Sciences[161461KYSB20170013] ; National Key Project for Research and Development[2016YFC0501605] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2017076] ; Open Research Fund of State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau[A314021402-1806]
Funding OrganizationNational Natural Science Foundation of China ; International Partnership Program of Chinese Academy of Sciences ; National Key Project for Research and Development ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Open Research Fund of State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000457657000018
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49908
Collection中国科学院地理科学与资源研究所
Corresponding AuthorJia, Xiaoxu
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resource Res, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Qingyin,Shao, Mingan,Jia, Xiaoxu,et al. Changes in soil physical and chemical properties after short drought stress in semi-humid forests[J]. GEODERMA,2019,338:170-177.
APA Zhang, Qingyin,Shao, Mingan,Jia, Xiaoxu,&Wei, Xiaorong.(2019).Changes in soil physical and chemical properties after short drought stress in semi-humid forests.GEODERMA,338,170-177.
MLA Zhang, Qingyin,et al."Changes in soil physical and chemical properties after short drought stress in semi-humid forests".GEODERMA 338(2019):170-177.
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