2007•Xinjiang nongye kexueRequires access

Analysis on Plant Diversity in Different Degraded Stages of Seriphidium transillense Desert Grassland

Wei Zheng

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Abstract

The results of plant diversity analysis in different degraded stages of Seriphidium transillense desert grassland show that media-degradation maintains high diversity,changes as follows: media-degradationheavy degradationover-degradationnon-degradation.The related analysis of the richness,evenness and diversity of the community species indicated that evenness makes greater contribution to species diversity than the species richness.The result of the β diversity analysis manifests that species replacement become slowly in neighbor degraded stages along with the increase of degradation.

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The results of plant diversity analysis in different degraded stages of Seriphidium transillense desert grassland show that media-degradation maintains high diversity,changes as follows: media-degradationheavy degradationover-degradationnon-degradation.The related analysis of the richness,evenness and diversity of the community species indicated that evenness makes greater contribution to species diversity than the species richness.The result of the β diversity analysis manifests that species replacement become slowly in neighbor degraded stages along with the increase of degradation.

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Available abstract

The results of plant diversity analysis in different degraded stages of Seriphidium transillense desert grassland show that media-degradation maintains high diversity,changes as follows: media-degradationheavy degradationover-degradationnon-degradation.The related analysis of the richness,evenness and diversity of the community species indicated that evenness makes greater contribution to species diversity than the species richness.The result of the β diversity analysis manifests that species replacement become slowly in neighbor degraded stages along with the increase of degradation.

Key concepts: Species evenness, Species richness, Grassland, Gamma diversity, Alpha diversity, Species diversity, Biodiversity, Ecology

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