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南京紫金山枫香风景林空间结构分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年04期
Page:
117-122
Column:
研究论文
publishdate:
2010-08-06

Article Info:/Info

Title:
Spatial structure of scenic forest of Liquidamabar formosana in Nanjing Zijin Mountain
Author(s):
DENG Songqiu YAN Jiafeng GUAN Qingwei*
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Zijin Mountain scenic forest Liquidamabar formosana spatial structure
Classification number :
S757
DOI:
10.3969/j.jssn.1000-2006.2010.04.026
Document Code:
A
Abstract:
With the traditional stand structure indexes, the spatial structure of scenic forest of Liquidamabar formosana was studied by the 4 spatial structure indexes of mingling, angle index, neighborhood comparison and opening degree in Nanjing Zijin Mountain. The results indicated that: The species diversity of scenic forest of L.formosana was rich, there were 22 stocks in tree layer, the DBH structure of community was continuous, and the vertical structure of stand might be divided into 3 layers. The average mingling of the stand was 0.593, showed that the mixed degree of the forest is high. The angle index was 0.515, indicated that the tree position in this stand was random distribution. The neighborhood comparison was 0.498, and there were nearly 40 % trees in the stand being dominant. The average opening degree was 0.301, displayed the growth space of most trees in the forest was sufficient. L.formosana population and P.massoniana population are dominant now, and the community is being in a relatively stable state. But the DBH structure of P.massoniana population is discontinuous, so when all of P.massoniana died, the stand will become deciduous broadleaved mixed forest with some evergreentree species.

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Last Update: 2010-08-06