Analysis of the Plant Community Characteristics and Species Diversity of Echinops davuricus in Baotou
Echinops davuricus has high medicinal value and ornamental value.In order to understand the species status of Echinops davuricus plant community in Baotou area,the species composition,quantitative characteristics and diversity characteristics of Echinops davuricus community in Baotou area were investigated.The results showed as the following four aspects.(1)A total of 41 plant species of 31 genera of 17 families were obtained from the com-munity survey of Echinops davuricus in Baotou area.The Poaceae,Fabaceae,Asteraceae and Rosaceae had the lar-gest number of species.(2)The water ecotypes were mainly xerophytes,followed by mesoxerophytes,mesophytes,xeromesophytes.(3)The dominant species in Wudangzhao plot were Stipa grandis,Stipa capillata and Haplo-phyllum dauricum;the dominant species in Baiyan'gou plot were Elymus dahuricus,Stipa capillata,Leymus seca-linus and Echinops davuricus;the dominant species and in Xiguitu plot were Stipa capillata,Gypsophila oldhami-ana and Echinops davuricus.(4)The Shannon diversity index,Simpson diversity index and Richness indexes in Wu-dangzhao plot were significantly higher than those of Baiyan'gou plot and Xiguitu plot.
万方数据
维普
