Formation mechanism and community characteristics of fenced grassland in desert steppe

doi:10.11686/cyxb20130638

Abstract

Abstract: The community characteristics and soil moisture of 9-year fenced grassland in Yanchi county were studied. Vegetation community characteristics of the fenced grassland had high heterogeneity and presented a mosaic distribution of three plant communities (Stipa bungeana+Agropyron mongolicum, Pennisetum centrasiaticum, and Leymus secalinus). Soil moisture was the key impact factor for vegetation growth in fenced grassland, and soil moisture influenced the community characteristics to different degrees. The soil moisture had great influence on the biomass, vegetation height and coverage, but had little influence on the species richness. The community spatial distribution pattern of fenced grassland was the main factor influencing community characteristics and the spatial variability of soil moisture of the three plant communities caused different vegetation growth within each plant community.

CLC Number:

XIAO Xu-pei, SONG Nai-ping, XIE Teng-teng, FANG Kai. Formation mechanism and community characteristics of fenced grassland in desert steppe[J]. Acta Prataculturae Sinica, 2013, 22(6): 321-327.

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