IMHE OpenIR  > 山地灾害与地表过程重点实验室
Assessment of Soil Erosion Induced Nutrients Loss in Xiaojiang River Basin,Yunnan, China
Yonggang GE; Yongming LIN; Jianqi ZHUANG
Corresponding AuthorYonggang GE
2014-02
Source PublicationWIT Transactions on Biomedicine and Health
Volume18Pages:1109-1116
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; This work aims to assess soil erosion induced nutrients loss in Xiaojiang River basin and to explore an appropriate approach to soil nutrients assessment. The content of organic matter, total nitrogen (TN), total phosphorus (TP), and total kalium (TK) of 44 surficial soil samples indicated lean soil in this basin. Moreover, soil nutrients of forest land, grass land, paddy land, shrub land, and slope farmland decreased in turn. Considering the enriching impact of fine material of sediment delivery, nutrient loss intensity of organic matter, TN, TP, and TK in different land types were made referencing to their erosion modulus. And then it was confirmed that organic matter, TN, TP, and TK transported and lost 145×103 t, 6860 t, 3715 t, and 19,850 t per year, respectively, and whose 20–30% were delivered into Jinsha River. Moreover, using the revised model and soil erosion data, the assessment map of nutrient loss was made and showed that intensive nutrients loss occurred in 1605 km2 land, accounting for 54% of the total, which should be taken as the key of soil nutrient conservation.
KeywordSoil Nutrients Loss Assessment Xiaojiang River Basin
DOIdoi:10.2495/HHME20131051
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Indexed ByEI
Language英语
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7515
Collection山地灾害与地表过程重点实验室
Recommended Citation
GB/T 7714
Yonggang GE,Yongming LIN,Jianqi ZHUANG. Assessment of Soil Erosion Induced Nutrients Loss in Xiaojiang River Basin,Yunnan, China[J]. WIT Transactions on Biomedicine and Health,2014,18:1109-1116.
APA Yonggang GE,Yongming LIN,&Jianqi ZHUANG.(2014).Assessment of Soil Erosion Induced Nutrients Loss in Xiaojiang River Basin,Yunnan, China.WIT Transactions on Biomedicine and Health,18,1109-1116.
MLA Yonggang GE,et al."Assessment of Soil Erosion Induced Nutrients Loss in Xiaojiang River Basin,Yunnan, China".WIT Transactions on Biomedicine and Health 18(2014):1109-1116.
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