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Position: Home > Articles > Spatial and environmental effects on plant communities in the Yellow River Delta, Eastern China. Journal of Forestry Research 2009,20 (2) 117-122

Spatial and environmental effects on plant communities in the Yellow River Delta, Eastern China.

作者：

Song ChuangYe;Liu GaoHuan;Liu QingSheng

单位：

Chinese Academy of Sciences; China.;Institute of Geographic Sciences and Nature Resources Research; Beijing 100101

关键词：

altitude;depth;environmental factors;grasslands;groundwater;indicator species;latitude;meadows;plant communities;potassium;slope;soil salinity;spatial variation;vegetation types;wild relatives;Aeluropus;Imperata cylindrica;Miscanthus sacchariflorus;Phragmites australis;Robinia pseudoacacia;Suaeda;Tamarix chinensis;China;Shandong

摘要：

Types and structure of plant communities in the Yellow River Delta in Shandong, eastern China were investigated by using detrended canonical correspondence analyses and a two-way indicator species analysis. The distribution pattern and influential factors of the plant communities were also analysed by testing elevation, slope, soil characteristics, longitude and latitude of 134 vegetation samples collected by representative plot sampling methods. Results showed that all the 134 vegetation samples could be divided into seven vegetation groups, separately dominated by Robinia pseudoacacia, Imperata cylindrica, Miscanthus sacchariflorus, Suaeda salsa, Aeluropus sinensis, Phragmites australis and Tamarix chinensis. The vegetation distribution pattern was mainly related to elevation, groundwater depth and soil characteristics such as salinity and soluble potassium. Among the factors affecting distribution pattern of the plant communities, the species matrix explained by non-spatial environmental variation accounts for 45.2% of total variation. Spatial variation and spatial-structured environmental variation explain 11.8, and 2.2%, respectively. The remaining 40.8% of undetermined variation is attributed to biological and stochastic factors.

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Spatial and environmental effects on plant communities in the Yellow River Delta, Eastern China.

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