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凤阳山自然保护区麂角杜鹃种群结构与分布(PDF)

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

Issue:
2009年02期
Page:
35
Column:
研究论文
publishdate:
2009-03-30

Article Info:/Info

Title:
The population structure and distribution of Rhododendron latoucheae in Fengyangshan Nature Reserve
Author(s):
GAO Junxiang1 MEI Shenglong2 LU Xiaozhen1* LI Meiqin2
1.College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China; 2.Fengyangshan Administrative Office of FengyangshanBaishanzu National Nature Reserve in Zhejiang, Longquan 323700, China
Keywords:
Fengyangshan Nature Reserve Rhododendron latoucheae population structure distribution pattern
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2009.02.009
Document Code:
A
Abstract:
Using the plotting method, 25 plots were established in the core area which is about 1 400 meters above sea level in Fengyangshan Nature Reserve. The population structure and distribution pattern of Rhododendron latoucheae were studied. The results showed that the distribution of the R.latoucheae population in every age class was very uneven, the proportion of the forthclass young tree was the largest, the thirdclass seedlings took second place. So the age structure of the population was growing. The distribution pattern of R.latoucheae population in the whole community was clumped. It was mainly related to the parental habits for seed distributing. The dynamic distribution pattern from seedlings to big trees were all clumped. The intensity of the population was reduced and the population had the trend of diffusion from seedlings to young trees. But from mediumsized trees to big trees, the intensity of the population increased and the population clumped. Overall, from seedlings to big trees, the population showed the trend of diffusion. It was related to their biological and ecological characteristics.

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Last Update: 2009-03-30