IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2008  > Vol5 No.3
Effects of terracing and agroforestry on soil and water loss in hilly areas of the Sichuan Basin, China
Zhang, J. H.1,2,3; Su, Z. A.2,3,4; Liu, G. C.1,2,3
Corresponding AuthorZhang, JH
2008
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume5Issue:3Pages:241-248
SubtypeArticle
AbstractSoil erosion in hilly areas of the Sichuan Basin is a serious concern over sustainable crop production and sound ecosystem. A 3-year experiment was conducted using the method of runoff plots to examine the effects of terracing and agroforestry in farmland systems on soil and water conservation of slope fields in the hilly areas in Jianyang County, Sichuan Province, Southwestern China. A power function (Y = aX(b)) can statistically describe the relationship between water runoff (Y) and rainfall (X). The regression equation for the treatment of sloping terraces with crops (Plot 2) is remarkably different from that for the treatment of sloping terraces with grasses and trees (Plot 1) and the conventional up-and down-slope crop system (Plot 3) regarding equation coefficients, while regression equations are similar between Plot 1 and Plot 3. Water runoff amount and runoff coefficient of slope fields increased by 21.5 similar to 41.0 % and 27.5 similar to 69.7 % respectively, compared to those of sloping terraces, suggesting that terracing notably reduced the water runoff in the field. In the case of sloping terraces, lower amount of water runoff was observed on sloping terraces with crops than on sloping terraces with grasses and trees. Sediment yields on the slope fields in the normal year of rainfall distribution were notably higher (34.41 similar to 331.67 % and 37.06 similar to 403.44 % for Plot 1 and Plot 2, respectively) than those on sloping terraces, implying that terracing also plays a significant role in the reduction in soil erosion. It is suggested that terracing with crops is significantly effective for soil and water conservation in cultivated farmland, while the conventional practice of up-and down-slope cultivation creates high rates of water runoff and soil sediment transport. Terracing with grasses and fruit trees shows a less reduction in water runoff than terracing with crops, which was observed in the 3-year experiments.
KeywordAgroforestry Sediment Transport Runoff Sloping Terrace Soil And Water Conservation
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11629-008-0189-6
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordPRECIPITATION
Language英语
WOS SubjectEnvironmental Sciences
WOS IDWOS:000258848900006
Funding OrganizationNational Basic Research Program(2007CB407206) ; National Natural Science Foundation of China(40771027) ; National Supporting Plan of Science and Technology of China(2008BAD98B04)
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/6056
CollectionJournal of Mountain Science_Journal of Mountain Science-2008_Vol5 No.3
山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Beijing 610041, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
3.Minist Water Conservancy & Power, Chengdu 610041, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhang, J. H.,Su, Z. A.,Liu, G. C.. Effects of terracing and agroforestry on soil and water loss in hilly areas of the Sichuan Basin, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2008,5(3):241-248.
APA Zhang, J. H.,Su, Z. A.,&Liu, G. C..(2008).Effects of terracing and agroforestry on soil and water loss in hilly areas of the Sichuan Basin, China.JOURNAL OF MOUNTAIN SCIENCE,5(3),241-248.
MLA Zhang, J. H.,et al."Effects of terracing and agroforestry on soil and water loss in hilly areas of the Sichuan Basin, China".JOURNAL OF MOUNTAIN SCIENCE 5.3(2008):241-248.
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