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POSITIVE GRASS DIVERSITY-PRODUCTIVITY RELATIONSHIPS AND CONTROLLING FACTORS ALONG AN ELEVATION GRADIENT IN CENTRAL ASIAN ALPINE GRASSLANDS
Li Kaihui; Fangmeier Andreas; Hu Yukun; Lu Chunfang; Liu Xuejun
2012
Source PublicationPOLISH JOURNAL OF ECOLOGY
ISSN1505-2249
Volume60Issue:1Pages:123-131
AbstractThe productivity-diversity relationship in grasslands is of great interest with regard to species loss in natural ecosystems, where species extinction is not random but directed. We carried out a three-year investigation from 2005 to 2007 along an elevation gradient in alpine grasslands of Central Asia in an area of 70 x 20 km(2) at Bayinbuluk, Tianshan Mountains. We selected 9 sites (10 x 10 m(2)) and 117 plots (1 x 1 m(2)) from 2460 to 3260 m a.s.l. with 100 m intervals of altitude. Species richness, productivity, soil characteristics, air temperature and relative humidity (May-August) were recorded. The relationship between plant diversity and productivity was significant and positive. We used ordination techniques such as Canonical Correspondence Analysis (CCA) to examine the relationship between vegetation and the environmental factors. The results showed that plant species composition, species richness and productivity were significantly affected by air temperature, soil pH and relative humidity across the study area.
KeywordCca Tianshan Mountains Grasslands Species Richness Environmental Factors
Subject AreaEnvironmental Sciences & Ecology
Indexed BySCI
WOS IDWOS:000301696500009
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/1644
Collection资源化学研究室
AffiliationChinese Acad Sci, Key Lab Biogeog & Bioresource Arid Land, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China;Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China;Univ Hohenheim, Inst Landscape & Plant Ecol, D-70593 Stuttgart, Germany;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China
Recommended Citation
GB/T 7714
Li Kaihui,Fangmeier Andreas,Hu Yukun,et al. POSITIVE GRASS DIVERSITY-PRODUCTIVITY RELATIONSHIPS AND CONTROLLING FACTORS ALONG AN ELEVATION GRADIENT IN CENTRAL ASIAN ALPINE GRASSLANDS[J]. POLISH JOURNAL OF ECOLOGY,2012,60(1):123-131.
APA Li Kaihui,Fangmeier Andreas,Hu Yukun,Lu Chunfang,&Liu Xuejun.(2012).POSITIVE GRASS DIVERSITY-PRODUCTIVITY RELATIONSHIPS AND CONTROLLING FACTORS ALONG AN ELEVATION GRADIENT IN CENTRAL ASIAN ALPINE GRASSLANDS.POLISH JOURNAL OF ECOLOGY,60(1),123-131.
MLA Li Kaihui,et al."POSITIVE GRASS DIVERSITY-PRODUCTIVITY RELATIONSHIPS AND CONTROLLING FACTORS ALONG AN ELEVATION GRADIENT IN CENTRAL ASIAN ALPINE GRASSLANDS".POLISH JOURNAL OF ECOLOGY 60.1(2012):123-131.
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