检索结果-南通市图书馆

Distribution patterns of plant communities and their associations with environmental soil factors on the eastern shore of lake taihu,China

引用

Ecosystem Health and Sustainability 2017年第9期3卷 4-15页

作者： Wei Li Lijuan Cui Baodi Sun Xinsheng Zhao Changjun Gao Yan Zhang Manyin Zhang Xu Pan Yinru Lei Wu Ma Institute of Wetland Research Chinese Academy of ForestryBeijingChina Beijing Key Laboratory of Wetland Services and Restoration BeijingChina School of Natural Resources West Virginia UniversityMorgantownUSA

Introduction:Plant communities and soil factors might interact with each other in different temporal and spatial scales,which can influence the patterns and processes of the wetland *** get a better understanding of the distribution of plants in wetlands and analyze their associations with environmental soil factors,the structure and types of plant communities in the eastern shore area of lake taihu were analyzed by two-way indicator species analysis and canonical correspondence analysis(CCA)*** spatial distribution patterns of vegetation and the main factors affecting the distributions were ***:Sixty-six sampling sites were selected to obtain vegetation species and soil environmental factor *** showed that 22 species from the 66 sites could be divided into seven communities:I:Arundo donax;II:***+Phragmites australis;III:Zizania latifolia+Typha orientalis;IV:***+Alternanthera philoxeroides+Polygonum hydropiper;V:***;VI:***+Humulus scandens;and VII:Erigeron acer+Ipomoea batatas+Rumex *** species and soil factors in the CCA analysis showed that ***,***,Chenopodium album,Polygonum lapathifolium,and Acalypha australis were mainly affected by pH,whereas Echinochloa crus-galli,Setaria viridis,and *** were mainly affected by soil total *** canadensis and *** were mainly affected by soil conductivity,*** was mainly affected by soil organic matter and,***,Metaplexis japonica and *** were mainly affected by available ***:These results indicated that different plants adapted to different soil environmental factors and provided basic information on the diversity of lake taihu wetland vegetation.

关键词： eastern shore of lake taihu vegetation spatial distribution canonical correspondence analysis(CCA) soil factors

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