IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Nitrogen and carbon source-sink relationships in trees at the Himalayan treelines compared with lower elevations
Li, Mai-He1,2; Xiao, Wen-Fa3; Shi, Peili4; Wang, San-Gen5; Zhong, Yong-De6; Liu, Xing-Liang7; Wang, Xiao-Dan2; Cai, Xiao-Hu7; Shi, Zuo-Min3
Corresponding AuthorLi, Mai-He
2008
Source PublicationPLANT CELL AND ENVIRONMENT
ISSN0140-7791
EISSN1365-3040
Volume31Issue:10Pages:1377-1387
SubtypeArticle
AbstractNo single hypothesis or theory has been widely accepted for explaining the functional mechanism of global alpine/arctic treeline formation. The present study tested whether the alpine treeline is determined by (1) the needle nitrogen content associated with photosynthesis (carbon gain); (2) a sufficient source-sink ratio of carbon; or (3) a sufficient C-N ratio. Nitrogen does not limit the growth and development of trees studied at the Himalayan treelines. Levels of non-structural carbohydrates (NSC) in trees were species-specific and site-dependent; therefore, the treeline cases studied did not show consistent evidence of source/carbon limitation or sink/growth limitation in treeline trees. However, results of the combined three treelines showed that the treeline trees may suffer from a winter carbon shortage. The source capacity and the sink capacity of a tree influence its tissue NSC concentrations and the carbon balance; therefore, we suggest that the persistence and development of treeline trees in a harsh alpine environment may require a minimum level of the total NSC concentration, a sufficiently high sugar:starch ratio, and a balanced carbon source-sink relationship.
KeywordAltitudinal Limit Carbon Limitation C-balance C-n Ratio Growth Limitation Non-structural Carbohydrates Starch Sugars
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1111/j.1365-3040.2008.01848.x
WOS Subject ExtendedPlant Sciences
Indexed BySCI
WOS KeywordPINUS-CEMBRA TREES ; GROWTH-LIMITATION ; SWISS TREELINE ; TEMPERATURE ; CO2 ; RESPONSES ; SEEDLINGS ; PHOTOSYNTHESIS ; CARBOHYDRATE ; ACCLIMATION
Language英语
Quartile2区
TOP
WOS SubjectPlant Sciences
WOS IDWOS:000259217600002
Funding OrganizationNational Natural Science Foundation of China(30540039 ; Key Laboratory of Forest Ecology and Environment ; State Forestry Administration, Chinese Academy of Forestry(CAFIFEEPYBB2007001) ; 40771071 ; 40771074)
Citation statistics
Cited Times:81[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10537
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
Affiliation1.Swiss Fed Inst Forest Snow & Landscape Res WSL, CH-8903 Birmensdorf, Switzerland
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
3.Chinese Acad Forestry, State Forestry Adm, Key Lab Forest Ecol & Environm, Beijing 100091, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
5.Southwest Univ, Coll Agron & Biotechnol, Chongqing 400716, Peoples R China
6.Cent S Univ Forestry & Technol, Changsha 410004, Peoples R China
7.Sichuan Acad Forestry, Inst Forest Ecol, Chengdu 610081, 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
Li, Mai-He,Xiao, Wen-Fa,Shi, Peili,et al. Nitrogen and carbon source-sink relationships in trees at the Himalayan treelines compared with lower elevations[J]. PLANT CELL AND ENVIRONMENT,2008,31(10):1377-1387.
APA Li, Mai-He.,Xiao, Wen-Fa.,Shi, Peili.,Wang, San-Gen.,Zhong, Yong-De.,...&Shi, Zuo-Min.(2008).Nitrogen and carbon source-sink relationships in trees at the Himalayan treelines compared with lower elevations.PLANT CELL AND ENVIRONMENT,31(10),1377-1387.
MLA Li, Mai-He,et al."Nitrogen and carbon source-sink relationships in trees at the Himalayan treelines compared with lower elevations".PLANT CELL AND ENVIRONMENT 31.10(2008):1377-1387.
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