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Influences of human activities on sediment discharge from devastated weathered granite hills of southern China: effects of 4-year elimination of human activities
Kimoto, A; Uchida, T; Mizuyama, T; Li, CH
2002-07-01
Source PublicationCATENA
Volume48Issue:4Pages:217-233
AbstractSediment discharge is a serious problem in the weathered granite mountains of southern China. Human activities, such as the harvesting of ferns and litter for fuel, are the main source of sediment, but the details of the processes and mechanisms leading to sediment discharge are unclear. Data on sediment yields, percentages of peak storm runoff and fern undergrowth and litter cover extent in the two basins-one a control from which people have been excluded since 1997, and the other where normal harvesting practices are permitted-were used to evaluate how human activity affects sediment discharge. The annual sediment discharge decreased immediately after implementing control practice, despite no marked changes in the 4 years after 1997 in the percentages of peak storm turnoff and the fern and litter cover extent and density. The 4-year period of control practice was too short to affect the relationship between peak rainfall and peak storm runoff and the fern and litter covers and their amounts, but long enough to contribute to the reductions in sediment discharge in the control basin by decreasing erodibility. Thus, sediment discharge was probably reduced to some extent by the elimination of human impacts even though a well-developed vegetation layer did not develop. (C) 2002 Elsevier Science B.V All rights reserved.
SubtypeArticle
KeywordSediment Discharge Fern And Litter Harvesting Using a Bamboo Rake Erodibility Southern China
WOS HeadingsScience & Technology ; Physical Sciences ; Life Sciences & Biomedicine
WOS Subject ExtendedGeology ; Agriculture ; Water Resources
WOS KeywordIMPACTED PINE FOREST ; SUBTROPICAL CHINA ; LOESS PLATEAU ; SOIL-EROSION ; MAB RESERVE ; LAND-USE ; RUNOFF ; VEGETATION ; RAINFALL ; DYNAMICS
Indexed BySCI
Language英语
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000176369100001
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68346
Collection中国科学院地理科学与资源研究所
Corresponding AuthorKimoto, A
Affiliation1.Kyoto Univ, Grad Sch Agr, Dept Forestry, Kyoto 6068502, Japan
2.Chinese Acad Sci, Commiss Integrated Survey Nat Resources, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Kimoto, A,Uchida, T,Mizuyama, T,et al. Influences of human activities on sediment discharge from devastated weathered granite hills of southern China: effects of 4-year elimination of human activities[J]. CATENA,2002,48(4):217-233.
APA Kimoto, A,Uchida, T,Mizuyama, T,&Li, CH.(2002).Influences of human activities on sediment discharge from devastated weathered granite hills of southern China: effects of 4-year elimination of human activities.CATENA,48(4),217-233.
MLA Kimoto, A,et al."Influences of human activities on sediment discharge from devastated weathered granite hills of southern China: effects of 4-year elimination of human activities".CATENA 48.4(2002):217-233.
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