IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2013  > Vol10 No.5
Assessment of soil organic carbon stock in the upper Yangtze River basin
Wang Xiao-guo1; Zhu Bo1; Hua Ke-ke1; Luo Yong1; Zhang Jian1; Zhang An-bang2
Corresponding AuthorZHU Bo
AbstractSoil organic carbon is of great importance to terrestrial ecosystems. Studies on the amount and spatial distribution of soil organic carbon stock in various types of soil can help to better understand the role of soil in the global carbon cycle and provide a scientific basis for the assessment of the magnitude of carbon stored in a given area. Here we present estimates of soil organic carbon stock in soils in the upper reaches of the Yangtze River based on soil types as defined by Chinese Soil Taxonomy and recently compiled into a digital soil database. The results showed that the total soil organic carbon stock of the upper Yangtze River to a depth of 100 cm was 1.452x10(13) kg. The highest soil organic carbon stock was found in felty soils (2.419x10(12) kg), followed by dark brown soils (1.269x10(12) kg), and dark felty soils (1.139x10(12) kg). Chernozems and irrigation silting soils showed the lowest soil organic carbon stock, mainly due to the small total area of such soils. The soil organic carbon density of these major soil types ranged from 5.6 to 26.1 kg m(-2). The average soil organic carbon density of the upper reaches of the Yangtze River was 16.4 kg m(-2), which was higher than that of the national average. Soil organic carbon density indicated a distinct decreasing trend from west to east, which corresponds to the pattern of increasing temperature from cold to subtropical.
KeywordSoil Organic Carbon Carbon Stock Yangtze River
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS SubjectEnvironmental Sciences
WOS IDWOS:000325070700016
Funding OrganizationSpecial Program of Strategic Science and Technology of Chinese Academy of Sciences(XDA05050506) ; State Key and Basic Research Development Planning(2012CB417101) ; Natural Science Foundation of China(40901134) ; West Light Foundation of Chinese Academy of Sciences
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
CollectionJournal of Mountain Science_Journal of Mountain Science-2013_Vol10 No.5
Affiliation1.Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China
2.Henan Inst Sci & Technol, Xinxiang 453003, 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
Wang Xiao-guo,Zhu Bo,Hua Ke-ke,et al. Assessment of soil organic carbon stock in the upper Yangtze River basin[J]. JOURNAL OF MOUNTAIN SCIENCE,2013,10(5):866-872.
APA Wang Xiao-guo,Zhu Bo,Hua Ke-ke,Luo Yong,Zhang Jian,&Zhang An-bang.(2013).Assessment of soil organic carbon stock in the upper Yangtze River basin.JOURNAL OF MOUNTAIN SCIENCE,10(5),866-872.
MLA Wang Xiao-guo,et al."Assessment of soil organic carbon stock in the upper Yangtze River basin".JOURNAL OF MOUNTAIN SCIENCE 10.5(2013):866-872.
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