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Effects of altitude on plant-species diversity and productivity in an alpine meadow, Qinghai-Tibetan plateau
Wang, Chang Ting; Long, Rui Jun; Wang, Qi Ji; Ding, Lu Ming; Wang, Mei Ping
2007
Source PublicationAUSTRALIAN JOURNAL OF BOTANY
Volume55Issue:2Pages:110-117
SubtypeArticle
AbstractDuring the growing seasons of 2002 and 2003, biomass productivity and diversity were examined along an altitudinal transect on the south-western slope of Beishan Mountain, Maqin County (33 degrees 43'-35 degrees 16'N, 98 degrees 48'-100 degrees 55'E), Qinghai-Tibetan Plateau. Six altitudes were selected, between 3840 and 4435 m. Soil organic matter, soil available N and P and environmental factors significantly affected plant-species diversity and productivity of the alpine meadows. Aboveground biomass declined significantly with increasing altitude (P < 0.05) and it was positively and linearly related to late summer soil-surface temperature. Belowground biomass (0 - 10-cm depth) was significantly greater at the lowest and highest altitudes than at intermediate locations, associated with water and nutrient availabilities. At each site, the maximum belowground biomass values occurred at the beginning and the end of the growing seasons (P < 0.05). Soil organic matter content, and available N and P were negatively and closely related to plant diversity (species richness, Shannon-Wiener diversity index, and Pielou evenness index).; During the growing seasons of 2002 and 2003, biomass productivity and diversity were examined along an altitudinal transect on the south-western slope of Beishan Mountain, Maqin County (33 degrees 43'-35 degrees 16'N, 98 degrees 48'-100 degrees 55'E), Qinghai-Tibetan Plateau. Six altitudes were selected, between 3840 and 4435 m. Soil organic matter, soil available N and P and environmental factors significantly affected plant-species diversity and productivity of the alpine meadows. Aboveground biomass declined significantly with increasing altitude (P < 0.05) and it was positively and linearly related to late summer soil-surface temperature. Belowground biomass (0 - 10-cm depth) was significantly greater at the lowest and highest altitudes than at intermediate locations, associated with water and nutrient availabilities. At each site, the maximum belowground biomass values occurred at the beginning and the end of the growing seasons (P < 0.05). Soil organic matter content, and available N and P were negatively and closely related to plant diversity (species richness, Shannon-Wiener diversity index, and Pielou evenness index).
KeywordEcosystem Productivity Biodiversity Communities Competition Gradients
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Subject Area植物学
WOS KeywordECOSYSTEM PRODUCTIVITY ; BIODIVERSITY ; COMMUNITIES ; COMPETITION ; GRADIENTS
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000244949800003
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/1293
Collection中国科学院西北高原生物研究所
Affiliation1.Chinese Acad Sci, NW Plateau Inst Biol, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Ctr Tibetan Grassland & Yak Studies, Lanzhou, Peoples R China
Recommended Citation
GB/T 7714
Wang, Chang Ting,Long, Rui Jun,Wang, Qi Ji,et al. Effects of altitude on plant-species diversity and productivity in an alpine meadow, Qinghai-Tibetan plateau[J]. AUSTRALIAN JOURNAL OF BOTANY,2007,55(2):110-117.
APA Wang, Chang Ting,Long, Rui Jun,Wang, Qi Ji,Ding, Lu Ming,&Wang, Mei Ping.(2007).Effects of altitude on plant-species diversity and productivity in an alpine meadow, Qinghai-Tibetan plateau.AUSTRALIAN JOURNAL OF BOTANY,55(2),110-117.
MLA Wang, Chang Ting,et al."Effects of altitude on plant-species diversity and productivity in an alpine meadow, Qinghai-Tibetan plateau".AUSTRALIAN JOURNAL OF BOTANY 55.2(2007):110-117.
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