IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 NO.10
Distribution of soil carbon in different grassland types of the Qinghai-Tibetan Plateau
LIU Shu-li; DU Yan-gong; ZHANG Fa-wei; LIN Li; LI Yi-kang; GUO Xiao-wei; LI Qian; CAO Guang-min
Corresponding AuthorCAO Guang-min
2016-10
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:10Pages:1806-1817
Subtype期刊论文
AbstractAccurate estimate of soil carbon storage is essential to reveal the role of soil in global carbon cycle. However, there is large uncertainty on the estimation of soil organic carbon (SOC) storage in grassland among previous studies, and the study on soil inorganic carbon (SIC) is still lack. We surveyed 153 sites during plant peak growing season and estimated SOC and SIC for temperate desert, temperate steppe, alpine steppe, steppe meadow, alpine meadow and swamp, which covered main grassland in the Qinghai Plateau during 2011 to 2012. The results showed that the vertical and spatial distributions of SOC and SIC varied by grassland types. The SOC amount mainly decreased from southeast to northwest, whereas the SIC amount increased from southeast to northwest. The magnitude of SOC amount in the top 50 cm across grassland types ranked by: swamp > alpine meadow > steppe meadow > temperate steppe > alpine steppe > temperate desert, while the SIC amount showed an opposite order.There was a great deal of variation in proportion of SOC and SIC among different grassland types (from 55.17 to 94.59 for SOC and 5.14 to 44.83 for SIC). The total SOC and SIC storage was 5.78 Pg and 1.37 Pg, respectively, in the top 50 cm of soil in Qinghai Province. The mixed linear model revealed that grassland types was the predominant factor in spatial variations of SOC amount while grassland types and soil pH accounted for those of SIC amount. Our results suggested that the community shift of alpine meadow towards alpine grassland induced by climate warming would decrease carbon sequestration capacity by 6.0 kg C m2.
KeywordSoil Organic Carbon Soil Inorganic Carbon Different Grassland Types Carbon Distribution Storage
DOI10.1007/s11629-015-3764-7
Indexed BySCI
Language英语
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17588
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 NO.10
Recommended Citation
GB/T 7714
LIU Shu-li,DU Yan-gong,ZHANG Fa-wei,et al. Distribution of soil carbon in different grassland types of the Qinghai-Tibetan Plateau[J]. Journal of Mountain Science,2016,13(10):1806-1817.
APA LIU Shu-li.,DU Yan-gong.,ZHANG Fa-wei.,LIN Li.,LI Yi-kang.,...&CAO Guang-min.(2016).Distribution of soil carbon in different grassland types of the Qinghai-Tibetan Plateau.Journal of Mountain Science,13(10),1806-1817.
MLA LIU Shu-li,et al."Distribution of soil carbon in different grassland types of the Qinghai-Tibetan Plateau".Journal of Mountain Science 13.10(2016):1806-1817.
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