The spatial and temporal dynamics of carbon budget in the alpine grasslands on the Qinghai-Tibetan Plateau using the Terrestrial Ecosystem Model

doi:10.1016/j.jclepro.2015.04.140

	The spatial and temporal dynamics of carbon budget in the alpine grasslands on the Qinghai-Tibetan Plateau using the Terrestrial Ecosystem Model
	Yan, L.; Zhou, G. S.; Wang, Y. H.; Hu, T. Y.; Sui, X. H.
	2015
发表期刊	JOURNAL OF CLEANER PRODUCTION
ISSN	0959-6526
卷号	107 页码:195-201
摘要	Grasslands in Tibetan Plateau play an important role in carbon emission reduction. Accurately evaluating the carbon budget of alpine grassland ecosystems is of great importance. Based on the parameterization and validation of a process-based ecosystem model (Terrestrial Ecosystem Model, TEM5.0), we analyze temporal and spatial dynamics and patterns of grassland ecosystem carbon emission and sequestration of Tibetan Plateau in China from 1961 to 2010. Alpine grasslands act as a carbon sink with mean annual value of 10.12 Tg C yr(-1) during the past 50 years. The alpine meadow contributes most to the sink at 9.04 Tg C yr(-1), while the alpine steppe only contributes 2.03 Tg C yr(-1). 83.7% of the total area trends to be carbon sink and only 0.2% of the region showed no significant trend. Furthermore, the annual net ecosystem productivity shows significantly positive relationship with increasing temperature and atmosphere CO2 concentration, but it shows no significant relationship with precipitation. Alpine grasslands in Qinghai-Tibetan Plateau is a carbon sink and sequestrate totally 520 Tg C from 1961 to 2010. The carbon budget of alpine experienced dramatically spatial and temporal dynamics during past 50 years. Inter-annual variability of the net ecosystem productivity mainly depends on different sensitivities of net primary productivity and heterotrophic respiration to temperature and precipitation variability. Temperature and atmosphere CO2 concentration are main driving forces of carbon budget dynamics of grassland ecosystems in Qinghai-Tibetan Plateau during 1961-2010. (C) 2015 Elsevier Ltd. All rights reserved.
关键词	Carbon budget Alpine steppe Alpine meadow TEM model Spatial-temporal variation
学科领域	Green & Sustainable Science & Technology ; Engineering, Environmental ; Environmental Sciences
DOI	10.1016/j.jclepro.2015.04.140
收录类别	SCI
语种	英语
WOS关键词	NET PRIMARY PRODUCTIVITY ; LARGE-SCALE PATTERNS ; SOIL ORGANIC-CARBON ; VEGETATION ; NITROGEN ; STORAGE ; DIOXIDE ; CLIMATE ; BIOMASS ; STOICHIOMETRY
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000363071000021
出版者	ELSEVIER SCI LTD
文献子类	Article
出版地	OXFORD
EISSN	1879-1786
资助机构	Strategic Priority Research Program - Climate Change: Carbon Budget and Related Issues of the Chinese Academy of Sciences [XDA05050408] ; State Key Development Program of Basic Research [2010CB951303]
作者邮箱	yhwang@ibcas.ac.cn
引用统计	被引频次：45[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/25685
专题	植被与环境变化国家重点实验室
作者单位	1.[Yan, L. 2.Zhou, G. S. 3.Wang, Y. H. 4.Hu, T. Y.] Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 5.[Zhou, G. S.] Chinese Acad Meteorol Sci, Beijing 100081, Peoples R China 6.[Yan, L.] Chinese Acad Forestry, Inst Wetland Res, Beijing 100091, Peoples R China 7.[Yan, L.] Being Key Lab Wetland Serv & Restorat, Beijing 100091, Peoples R China 8.[Sui, X. H.] Sun Yat Sen Univ, State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China 9.[Sui, X. H.] Sun Yat Sen Univ, Sch Life Sci, Guangzhou 510275, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Yan, L.,Zhou, G. S.,Wang, Y. H.,et al. The spatial and temporal dynamics of carbon budget in the alpine grasslands on the Qinghai-Tibetan Plateau using the Terrestrial Ecosystem Model[J]. JOURNAL OF CLEANER PRODUCTION,2015,107:195-201.
APA	Yan, L.,Zhou, G. S.,Wang, Y. H.,Hu, T. Y.,&Sui, X. H..(2015).The spatial and temporal dynamics of carbon budget in the alpine grasslands on the Qinghai-Tibetan Plateau using the Terrestrial Ecosystem Model.JOURNAL OF CLEANER PRODUCTION,107,195-201.
MLA	Yan, L.,et al."The spatial and temporal dynamics of carbon budget in the alpine grasslands on the Qinghai-Tibetan Plateau using the Terrestrial Ecosystem Model".JOURNAL OF CLEANER PRODUCTION 107(2015):195-201.

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