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Distribution of soil organic carbon and potential carbon sequestration in an alpine meadow grazed by domesticated yak in Zeku, Qinghai-Tibetan Plateau, China
Li, Gang1,2; Shi, Linlu1; Zhang, Zhi1,3; Grace, John4; Yang, Meng5; Wu, Shuhong1; Lei, Guangchun1
2019-03-04
Source PublicationCARBON MANAGEMENT
ISSN1758-3004
Volume10Issue:2Pages:135-147
Corresponding AuthorWu, Shuhong(wshuhong@bjfu.edu.cn) ; Lei, Guangchun(guangchun.lei@foxmail.com)
AbstractThe effects of grazing on the soil carbon of an alpine meadow on the Qinghai-Tibetan Plateau were studied. The aims were to estimate the effects of grazing on the spatial and vertical distribution of soil organic carbon, estimate the potential carbon sink and provide suggestions for sustainable grassland management. Biomass and soil characteristics of the topmost 1 m soil layer in plots under three different grazing intensities were investigated. Soil organic carbon density (SOCD) and stocks (SOCS) were calculated as weighted averages. Soil organic carbon content (SOCC) decreased with increasing grazing intensity and soil depth, with the highest values observed in the top 30 cm of the soil layer at light grazing (LG) sites. Soil water content, total carbon, and biomass had a positive relationship with SOCC. However, bulk density was negatively correlated with SOCC. The lowest SOCD and SOCS were in the 30-100 cm soil layer at heavy grazing (HG) sites, indicating that HG could have significant negative effects on SOC. It could take at least similar to 60 years for C stocks at HG sites to reach a steady state. A regime of low grazing is recommended for combining C sequestration with sustainable development.
KeywordAlpine meadow carbon sequestration project grazing management Qinghai-Tibetan Plateau soil organic carbon
DOI10.1080/17583004.2018.1560195
WOS KeywordLAND-USE ; LITTER DECOMPOSITION ; GRASSLAND SOILS ; LOESS PLATEAU ; NITROGEN ; STORAGE ; MANAGEMENT ; CONVERSION ; PATTERNS ; MOISTURE
Indexed BySCI
Language英语
Funding ProjectFundamental Research Funds for the Central Universities[200-5608] ; Special Foundation for Basic Work Programme of the Ministry of Science and Technology of China[2013FY111800] ; Asian Development Bank
Funding OrganizationFundamental Research Funds for the Central Universities ; Special Foundation for Basic Work Programme of the Ministry of Science and Technology of China ; Asian Development Bank
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences ; Environmental Studies
WOS IDWOS:000468314500001
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/59512
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWu, Shuhong; Lei, Guangchun
Affiliation1.Beijing Forestry Univ, Sch Nat Conservat, Beijing, Peoples R China
2.Fuyang Normal Univ, Sch Biol & Food Engn, Fuyang, Anhui, Peoples R China
3.Fuzhou Planing Design & Res Inst, Urban Res Ctr, Fuzhou, Fujian, Peoples R China
4.Univ Edinburgh, Sch Geosci, Edinburgh, Midlothian, Scotland
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Li, Gang,Shi, Linlu,Zhang, Zhi,et al. Distribution of soil organic carbon and potential carbon sequestration in an alpine meadow grazed by domesticated yak in Zeku, Qinghai-Tibetan Plateau, China[J]. CARBON MANAGEMENT,2019,10(2):135-147.
APA Li, Gang.,Shi, Linlu.,Zhang, Zhi.,Grace, John.,Yang, Meng.,...&Lei, Guangchun.(2019).Distribution of soil organic carbon and potential carbon sequestration in an alpine meadow grazed by domesticated yak in Zeku, Qinghai-Tibetan Plateau, China.CARBON MANAGEMENT,10(2),135-147.
MLA Li, Gang,et al."Distribution of soil organic carbon and potential carbon sequestration in an alpine meadow grazed by domesticated yak in Zeku, Qinghai-Tibetan Plateau, China".CARBON MANAGEMENT 10.2(2019):135-147.
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