The experiments of comparing rotational grazing,continuous grazing were conducted on desert steppe in Sunit Right Banner of Inner Mongolia.to Study the communitiesα-diversity and β-diversity of different grazing system in desert steppe.The results showed as follow: ①the plant species richness and diversity of check plot(CK),rotational grazing plot(RG) and continuous grazing plot(CG) were increased in later year comparing to in former year.The plant dominance of check plot(CK) was increased,but it was almost...
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