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西南桦人工林植物多样性与相似性比较

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

Issue:
2009年05期
Page:
32
Column:
研究论文
publishdate:
2009-10-20

Article Info:/Info

Title:
Comparison of plant diversity and similarity of Betula alnoides plantation
Author(s):
WANG Weibin12 YANG Dejun2 CAO Jianxin2
1.Institute of Ecology and Geobotany, Yunnan University, Kunming 650091, China; 2.Yunnan Academy of Forestry, Kunming 650204, China
Keywords:
Betula alnoides plantation plant diversity and similarity community structure
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2009.05.007
Document Code:
-
Abstract:
Compared with the tropical montane rain forest and Betula alnoides secondary forest, the study on plant diversity and similarity of B.alnoides plantation could make the preliminary results and conclusions as follows: (1) the plant diversity of 13 yearsold B.alnoides plantation has been recovered preferably, of which the tree species richness (S), ShannonWiener diversity (H′), Simpson index (λ), and Pielou’s evenness index (Jsw) of the plantation artificially regenerated from tropical montane rain forest logged stands, have exceeded that of tropical montane rain forest in Puwen. (2) The species composition and richness of B.alnoides plantation were closely related with native vegetation and the status of secondary bare land. (3) Conducting silviculture activities with pioneer species, such as B.alnoides, would benefit speeding up the succession towards the zonal vegetation. (4) Tending and thinning at proper time would be helpful for accelerating the growth of B.alnoides, and it would also benefit the plantation biodiversity.

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