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Competition in old growth Korean pine Forest

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Abstract

Korean pine (Pinus koraiensis) interspecific competition and intraspecific companioned with other species competition in old growth Korean pine forest in Northeast China were studied using Hegyi’s competition index model for individual tree. The results show that differences of competitive intensity exist in interspecific and intraspecific for Korean pine with an order of intraspecific >Abies nephrolepis Picea koraiensis Tilia amurensis Betula costala Acer mono Ulmus propinqua Populus davidiana, and that relationship of competitive index to individual size (in DBH) of objective tree follows closely multiplicate equation and that competitive intensity gradually reduces with increasing of individual size of objective tree, but it is tending towards stability after individual of objective tree increase to specified size (DBH about 20 cm).It provided a serviceable approach for researches of intraspecific relationship in population ecology.

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Authors and Affiliations

  1. Heilongjiang Forest Institute, 150040, Harbin

    Ma Jianlu, Zhou Bin & Luo Xu

Authors
  1. Ma Jianlu
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  2. Zhou Bin
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  3. Luo Xu
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Jianlu, M., Bin, Z. & Xu, L. Competition in old growth Korean pine Forest. J. Northeast For. Univ. 6, 19–22 (1995). https://doi.org/10.1007/BF02880626

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  • DOI: https://doi.org/10.1007/BF02880626

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