2007•Ganhanqu ziyuan yu huanjingRequires access

Species Diversity and Above-Ground Biomass of Alpine Grassland on the Southern Slope of Tianshan Mountain

Kaihui Li, Yukun Hu, Jianmei Yu, Gao Guo-gang

Abstract

Species diversities of alpine meadow,alpine grassland and meadow grassland in Bayanbulak on the southern slope of Mt.Tianshan,XinJiang were studied.The results showed: coverage+height were more favorable to measure community diversity than coverage+individuals.There was a distinct positive relationship among Richness index,Margalef index and Shannon-wiener index.Richness index was a key diversity index to measure community diversty in a small spatial scale.There was distinct a negative relationship between above-ground biomass and diversity indices(richness index,margalef index and Shannon-wiener index).

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Key concepts: Species richness, Grassland, Diversity index, Biomass (ecology), Ecology, Index (typography), Geography, Species diversity