Dynamics of carbon and nitrogen accumulation and C:N stoichiometry in a deciduous broadleaf forest of deglaciated terrain in the eastern Tibetan Plateau

doi:10.1016/j.foreco.2013.10.028

	Dynamics of carbon and nitrogen accumulation and C:N stoichiometry in a deciduous broadleaf forest of deglaciated terrain in the eastern Tibetan Plateau
	Yang, Yan 2; Wang, Genxu ; Shen, Haihua 1,2; Yang, Yang ; Cui, Haijun ; Liu, Qiao
	2014
发表期刊	FOREST ECOLOGY AND MANAGEMENT
ISSN	0378-1127
卷号	312 页码:10-18
摘要	Although many studies have focused on the spatial distribution of global carbon (C), there are still considerable uncertainties associated with the global C budget due to insufficient and incomplete data. The sequestration of ecosystem C corresponding to different ages provides a more accurate method for quantifying the C budget. In this work, the chronosequence approach was used to explore the relationship between the C dynamics and the carbon:nitrogen (C:N) stoichiometry in a broadleaf forest of a deglaciated terrain. The database included five successional sites, and each site consisted of three parallel plots. Our results showed that (1) C and N can accumulate in aboveground vegetation, forest floor, and mineral soil throughout the terrain ages, (2) the relative contribution to the total ecosystem C increased in aboveground vegetation and decreased in mineral soil with increasing terrain age, (3) C and N scaled isometrically (the slope of relationship between the rates of relative C and N changes is significant from 1.0) along the successional sequence in the aboveground vegetation but not in mineral soil, and (4) the C:N ratio kept constant in the aboveground vegetation and decreased in mineral soil, which implies a more rapid N accumulation in mineral soil. These results demonstrate that the increased C storage was accompanied by N accumulation in all of the layers throughout the terrain age and that the aboveground vegetation became a primary ecosystem C pool. However, it should be considered that the carbon has been flowing into the soil from belowground. (C) 2013 Elsevier B.V. All rights reserved.
关键词	Biomass Chronosequence C Pool C:N stoichiometry
学科领域	Forestry
DOI	10.1016/j.foreco.2013.10.028
收录类别	SCI
语种	英语
WOS关键词	N-P STOICHIOMETRY ; SOIL CARBON ; STAND DEVELOPMENT ; TEMPERATE FOREST ; AGE-SEQUENCE ; PINE ; ECOSYSTEMS ; BIOMASS ; POOLS ; SEQUESTRATION
WOS研究方向	Forestry
WOS记录号	WOS:000328802700002
出版者	ELSEVIER
文献子类	Article
出版地	AMSTERDAM
EISSN	1872-7042
资助机构	National Natural Science Foundation of China [31100323] ; CAS/SAFEA International Partnership Program [KZZD-EW-TZ-06] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KZCX2-EW-309, SDS-135-1201]
作者邮箱	wanggx@imde.ac.cn
引用统计	被引频次：28[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/2S10CLM1/27034
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Environm Evolvement & Regulat, Chengdu 610041, Peoples R China 2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 3.Peking Univ, Coll Urban & Environm Sci, Dept Ecol, Beijing 100871, Peoples R China
推荐引用方式 GB/T 7714	Yang, Yan,Wang, Genxu,Shen, Haihua,et al. Dynamics of carbon and nitrogen accumulation and C:N stoichiometry in a deciduous broadleaf forest of deglaciated terrain in the eastern Tibetan Plateau[J]. FOREST ECOLOGY AND MANAGEMENT,2014,312:10-18.
APA	Yang, Yan,Wang, Genxu,Shen, Haihua,Yang, Yang,Cui, Haijun,&Liu, Qiao.(2014).Dynamics of carbon and nitrogen accumulation and C:N stoichiometry in a deciduous broadleaf forest of deglaciated terrain in the eastern Tibetan Plateau.FOREST ECOLOGY AND MANAGEMENT,312,10-18.
MLA	Yang, Yan,et al."Dynamics of carbon and nitrogen accumulation and C:N stoichiometry in a deciduous broadleaf forest of deglaciated terrain in the eastern Tibetan Plateau".FOREST ECOLOGY AND MANAGEMENT 312(2014):10-18.

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