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Effectiveness of vegetation cover pattern on regulating soil erosion and runoff generation in red soil environment, southern China
Tang, Chongjun1,2,3; Liu, Yu2,4; Li, Zhongwu1; Guo, Liping5; Xu, Aizhen3; Zhao, Jiading3
2021-10-01
Source PublicationECOLOGICAL INDICATORS
ISSN1470-160X
Volume129Pages:9
Corresponding AuthorLiu, Yu(liuyu@igsnrr.ac.cn) ; Li, Zhongwu(lizw@hnu.edu.cn)
AbstractCoupling vegetation cover pattern with soil erosion and runoff generation positions a multi-discipline hotspot. Due to the widely occurred patchy vegetation cover and water-limited environment, regulation of vegetation cover pattern on runoff and soil erosion in arid and semiarid environment was addressed widely. In tropical and subtropical environment, patchy vegetation cover pattern also widely occurred in human-dominated landscapes. However, the effect of vegetation cover pattern on runoff generation and sediment yield and its dependence on rainfall characteristics attract little attention, and are unclear. Correspondingly, this study addresses two relevant issues: (1) the rainfall-dependent capacity of vegetation cover pattern to mitigate runoff and soil erosion; (2) rainfall-runoff and rainfall-erosion regimes mitigated by vegetation cover pattern. Eighteen 10 m-by-5 m plots were constructed for the three-year (2015-2017) observation in a humid and red-soil-covered environment in southern China. The results show that vegetation cover pattern affected the response of runoff generation and soil erosion to rainfall. The soil loss was more readily to be regulated by the fraction and spatial pattern of vegetation cover than runoff; the potential of the fraction of vegetation cover in regulating soil loss positively response to rainfall depth and rainfall intensity; and rising rainfall depth led to a weakened relationship between vegetation coverage and runoff volume. Our results illustrated that the increased rainfall intensity promotes the regression relationship between vegetation coverage and runoff volume. In this humid environment, vegetation cover pattern regulates the response of runoff and sediment discharge to rainfall characteristics; and the effectiveness of vegetation cover pattern on regulation runoff and sediment discharge was rainfall-dependent. This study indicates that including connectivity parameters in quantifying the spatial pattern of vegetation may lead to different understanding of the effectiveness of vegetation cover on hydrology and soil erosion.
KeywordSoil erosion Runoff Vegetation cover pattern Pattern metrics Red soil
DOI10.1016/j.ecolind.2021.107956
WOS KeywordHYDROLOGICAL CONNECTIVITY ; CONCENTRATED FLOW ; SEMIARID LANDSCAPES ; HILLSLOPE EROSION ; INTERRILL RUNOFF ; LEAKINESS INDEX ; SEDIMENT YIELD ; BUFFER STRIPS ; LOESS PLATEAU ; RAINFALL
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41867016] ; Key Research and Development Project of Jiangxi Province[20161BBH80072] ; Scientific Major Project of Water Conservancy of Jiangxi Province[202124ZDKT24]
Funding OrganizationNational Natural Science Foundation of China ; Key Research and Development Project of Jiangxi Province ; Scientific Major Project of Water Conservancy of Jiangxi Province
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Environmental Sciences
WOS IDWOS:000685517300001
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/164552
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu, Yu; Li, Zhongwu
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.Jiangxi Acad Water Sci & Engn, Nanchang 330029, Jiangxi, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modelling, Beijing 100101, Peoples R China
5.Jiangxi Agr Univ, Coll Forestry, Jiangxi Prov Key Lab Silviculture, Nanchang 330045, Jiangxi, Peoples R China
Recommended Citation
GB/T 7714
Tang, Chongjun,Liu, Yu,Li, Zhongwu,et al. Effectiveness of vegetation cover pattern on regulating soil erosion and runoff generation in red soil environment, southern China[J]. ECOLOGICAL INDICATORS,2021,129:9.
APA Tang, Chongjun,Liu, Yu,Li, Zhongwu,Guo, Liping,Xu, Aizhen,&Zhao, Jiading.(2021).Effectiveness of vegetation cover pattern on regulating soil erosion and runoff generation in red soil environment, southern China.ECOLOGICAL INDICATORS,129,9.
MLA Tang, Chongjun,et al."Effectiveness of vegetation cover pattern on regulating soil erosion and runoff generation in red soil environment, southern China".ECOLOGICAL INDICATORS 129(2021):9.
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