IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 No.4
Variation in carbon, nitrogen and phosphorus partitioning between above- and belowground biomass along a precipitation gradient at Tibetan Plateau
Hong Jiang-tao1,2; Wang Xiao-dan1; Wu Jian-bo1
Corresponding AuthorWANG Xiao-dan
2016
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume13Issue:4Pages:661-671
SubtypeArticle
AbstractPrecipitation is a potential factor that significantly affects plant nutrient pools by influencing biomass sizes and nutrient concentrations. However, few studies have explicitly dissected carbon (C), nitrogen (N) and phosphorus (P) pools between above- and belowground biomass at the community level along a precipitation gradient. We conducted a transect (approx. 1300 km long) study of Stipa purpurea community in alpine steppe on the Tibet Plateau of China to test the variation of N pool of aboveground biomass/N pool of belowground biomass (AB/BB N) and P pool of aboveground biomass/P pool of belowground biomass (AB/BB P) along a precipitation gradient. The proportion of aboveground biomass decreased significantly from mesic to drier sites. Along the belt transect, the plant N concentration was relatively stable; thus, AB/BB N increased with moisture due to the major influences by above- and belowground biomass allocation. However, P concentration of aboveground biomass decreased significantly with increasing precipitation and AB/BB P did not vary with aridity because of the offset effect of the P concentration and biomass allocation. Precipitation gradients do decouple the N and P pool of a S. purpurea community along a precipitation gradient in alpine steppe. The decreasing of N:P in aboveground biomass in drier regions may indicate much stronger N limitation in more arid area.
KeywordBiomass Allocation Nutrient Concentration Qinghai-tibetan Plateau Alpine Steppe Stipa Purpurea
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11629-014-3117-y
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordN-P RATIOS ; ENVIRONMENTAL-FACTORS ; NUTRIENT LIMITATION ; ABOVEGROUND BIOMASS ; SOIL ; PLANTS ; ROOT ; ECOSYSTEMS ; GRASSLANDS ; DEPOSITION
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000373882400007
Funding OrganizationWestern Action Plan Project of the Chinese Academy of Sciences(KZCX2-XB3-08) ; Strategic Pilot Science and Technology Projects of the Chinese Academy of Sciences(XDB03030505) ; National Key Technology Research and Design Program of China(2010BAE00739-03)
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/15042
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 No.4
山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, 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
Hong Jiang-tao,Wang Xiao-dan,Wu Jian-bo. Variation in carbon, nitrogen and phosphorus partitioning between above- and belowground biomass along a precipitation gradient at Tibetan Plateau[J]. JOURNAL OF MOUNTAIN SCIENCE,2016,13(4):661-671.
APA Hong Jiang-tao,Wang Xiao-dan,&Wu Jian-bo.(2016).Variation in carbon, nitrogen and phosphorus partitioning between above- and belowground biomass along a precipitation gradient at Tibetan Plateau.JOURNAL OF MOUNTAIN SCIENCE,13(4),661-671.
MLA Hong Jiang-tao,et al."Variation in carbon, nitrogen and phosphorus partitioning between above- and belowground biomass along a precipitation gradient at Tibetan Plateau".JOURNAL OF MOUNTAIN SCIENCE 13.4(2016):661-671.
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