Chin J Plan Ecolo ›› 2003, Vol. 27 ›› Issue (5): 690-699.doi: 10.17521/cjpe.2003.0101

• Research Articles • Previous Articles     Next Articles

Simulation Studies on Carbon and Nitrogen Accumulation and its Allocation Pattern in Forest Ecosystems of Heshan in Low Subtropical China

SHEN Wei-Jun, PENG Shao-Lin, WU Jian-Guo, LIN Yong-Biao   

  • Online:2003-05-10 Published:2003-05-10
  • Contact: DU Xiao-Jun

Abstract:

Both interspecific association and interspecific segregation can be used to study the spatial affinity between different species. They are connected but different. Interspecific association is more related to habitat, while interspecific segregation more to small-scale effects and intra-/inter-specific interactions. Association is measured by plot sampling while segregation is measured by plotless nearest neighbor methods. Compared with interspecific association, few studies on pairwise segregation in a multi-species community have been reported. Meanwhile, clarifying the segregation relationship between different species pairs will be helpful for revealing the phenomena of the species interactions, community structure and community dynamics.With the aid of GIS software (ArcView), a distribution map of all trees with DBH ≥1cm from a tropical rain forest community at Bawangling National Nature Reserve in Hainan Island was drawn. The nearest neighbors of each individual and the distances between every indivi

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