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XIA Fucai, ZHAO Xiuhai, PENG Daoli, NI Ruiqiang, WANG Jinsong, FAN Juan. Stand Structure of Secondary Popular-Birch Forest in Changbai Mountain[J]. Journal of South China Agricultural University, 2013, 34(3): 383-387. DOI: 10.7671/j.issn.1001-411X.2013.03.020
Citation: XIA Fucai, ZHAO Xiuhai, PENG Daoli, NI Ruiqiang, WANG Jinsong, FAN Juan. Stand Structure of Secondary Popular-Birch Forest in Changbai Mountain[J]. Journal of South China Agricultural University, 2013, 34(3): 383-387. DOI: 10.7671/j.issn.1001-411X.2013.03.020
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Stand Structure of Secondary Popular-Birch Forest in Changbai Mountain

  • 1 Forestry College of Beihua University, 2 Key Laboratory of Forest Resources & Ecosystem Processes of Beijing, Beijing Forestry University,

  • 2 Key Laboratory of Forest Resources & Ecosystem Processes of Beijing, Beijing Forestry University,

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  • Received Date: February 20, 2012
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  • The study of stand spatial structure is a significant precondition for modern forest management. In 2005, a permanent secondary popular-birch forest plot of 5.2 hm2 was established in Changbai Mountain, in which all trees were measured by diameter at breast height (DBH) and mapped. Its stand spatial structure was studied by means of three indicators, i.e., mingling, neighborhood comparison and neighborhood pattern. The mean mingling and neighborhood pattern of this plot were 0.63, indicating that the forest was above moderate mingling level, and the mingling level of canopy species was higher than that of understory species. The values of neighborhood comparison were from 0 to 0.67, which suggested that all trees were greatly differentiated vertically and the pioneer species of secondary succession were dominant in growth. The value of neighborhood pattern was 0.55, which showed that this forest was aggregated. These characteristics of spatial structure were related to less disturbance, secondary early stage of succession, tree species status in the stand, regeneration mode and reproduction strategy.
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