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Position: Home > Articles > Correlation analysis of species diversity of Stipa baicalensis community Pratacultural Science 2013,30 (4) 120-123

放牧和刈割对呼伦贝尔草甸草原物种多样性的影响

作  者:
黄振艳;王立柱;乌仁其其格;李杰;杨晓刚
单  位:
内蒙古呼伦贝尔学院生命科学与化学学院;中国农业科学院呼伦贝尔草原生态系统国家野外科学观测研究站
关键词:
刈割;放牧;贝加尔针茅;α多样性;草甸草原
摘  要:
研究了内蒙古呼伦贝尔草甸草原贝加尔针茅(Stipa baicalensis)群落物种多样性对放牧和刈割的响应。结果表明,放牧条件下优势种贝加尔针茅的重要值高于刈割利用的,而样方内的物种数、Margalef指数、Shannon-Wiener指数和Pielou指数均低于刈割利用,说明刈割利用较放牧增加了草原贝加尔针茅群落的α多样性。
译  名:
Correlation analysis of species diversity of Stipa baicalensis community
作  者:
HUANG Zhen-yan 1,WANG Li-zhu 2,URAN Tse-tseg 1,2,LI Jie 1,YANG Xiao-gang 1(1.College of Life Science and Chemistry,Hulunbuir University,Hulunbuir 021008,Inner Mongolia,China;2.Ecosystem National Observatory System of Hulunbeier Grassland,Chinese Academy of Agricultural Sciences,Hulunbeier 021008,China)
关键词:
clipping;grazing;Stipa baicalensis;alpha diversity;meadow steppe
摘  要:
The species diversity in grazing and cutting on meadow steppe of Stipa baicalensis community was analyzed through field survey.The results showed that species richness in the grazing field was higher than that in cutting field,while species number was lower.The alpha diversity indices under cutting(index of the species richness,species diversity indices,index of species evenness)were higher than that in grazing.

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