Title: Plant-diversity of Urban Wetland in Lanzhou
Abstract: [Objective] The research aimed to study the diversity of dominant wetland plant community.[Method]Taken Lanzhou urban wetland as example,3 kinds of habitat systems were investigated by belt transect method and quadrat method.[Result]The results showed that the vegetation was dominated by herbs in wetland plant community of different wetland habitats,and at part sites trees and shrubs grew better.The community structure of urban wetland is the arbor-shrub-lawn,and the cover degree of herb is highest.The dominant species were Leymus secalinus,Phragmites communis,Chloris virgata,Hordeum brevisubulatum,Roegneria kamoji,Artemisia frigida and Beckmannia syzigachne,etc.The change of the richness index,the Simpson index,and the Shannon-Wiener index is transition zone nearly bare wetlandsnear natural wetland,but the Pielou index has difference trends.[Conclusion]This research could provide scientific basis for the protection of bio-diversity of Lanzhou urban wetland.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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