Journal of Forestry Research

, Volume 20, Issue 2, pp 117–122 | Cite as

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

Research Paper

Abstract

Types and structure of plant communities in the Yellow River Delta were investigated by using detrended canonical correspondence analyses (DCCAs) and a two-way indicator species analysis (TWINSPAN). The distribution pattern and influential factors of the plant communities were also analyzed 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 pseucdoacacia, Imperata cylindrical, Miscanthus saccharifleus, Suaeda salsa, Aeluropus sinensis, Phragmites australis and Tamarix chinensis. The vegetation distribution pattern was mainly related to elevation, ground water 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. Remained 40.8% of undetermined variation is attributed to biological and stochastic factors.

Keywords

detrended canonical correspondence analyses environmental factors plant communities spatial factors Yellow River Delta two-way indicator species analysis 

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Copyright information

© Northeast Forestry University and Springer-Verlag GmbH 2009

Authors and Affiliations

  1. 1.Institute of Geographic Sciences and Nature Resources ResearchChinese Academy of SciencesBeijingChina
  2. 2.Graduated School of Chinese Academy of SciencesBeijingChina

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