Chin J Plan Ecolo ›› 1988, Vol. 12 ›› Issue (2): 134-142.

• Research Articles • Previous Articles     Next Articles

The Dispersion of Korean Pine Seeds and the Effect on Natural Regeneration in the Mixed Korean Pine and Broad-Leaved Tree Forest of the Xiaoxingan Mountains

Liu Qing-hong   

  • Online:1988-02-10 Published:1988-02-10
  • Contact: Xu Qing-hai

Abstract: The research on the Korean pine seed bank was conducted in the Liangshiu Korean pine forest natural reserve. Heilongjiang province, from 1982 to 1985. The total 982 quadrats of one square meter were investigated. The results show that the Korean pine seeds were distributed on the four vertical layers through the activities of wildlife. A lot of Korean pine seeds are buried with form of cluster. In the litter or soil around tall Korean pine. Most of seed clusters consist of 2—7 seeds. These buried seeds are the basis of the Korean pine natural regeneration. But unfortunately the place of seed burying is around the big trees in the dense forest. The number of korean pine seeds buried under the forest gaps is very small. Where seed buried is not favourable for the growth of Korean pine seedlings. This is the main obstacle to the Korean pine natural regeneration.

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