首页|Community structure and regeneration types of Betula dahurica forest in Badaling forest center of Beijing
Community structure and regeneration types of Betula dahurica forest in Badaling forest center of Beijing
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国家科技期刊平台
NETL
NSTL
万方数据
维普
Using plant community analysis methods, we analyzed the floristic characteristics, species composition, community structure, population structure, and spatial distribution patterns of a Betula dahurica forest on the "1238" mountain of Badaling in Beijing, China. The results show that: 1) There are 33 plant species in the B. dahurica community, including 18 woody plant species. The B. dahurica forest is a monodominant community with 75.9% dominance. 2) Based on diameter at breast height (DBH)size class distribution, the population structure of B. dahurica and Acer mono-two heliophyllous and pioneer tree species is cascade-type, with both in an increasing stage. The population structure of Tilia mandshurica and T. mongolica, two shade-tolerant tree species, is inverse-J type, and they have more young seedling individuals and regenerate more stably. They are associated species of the pioneer tree species. The population structure of Quercus mongolica, as the associated species of climax species in the community, is sporadic, and its regeneration is fluctuating and random. Fraxinus rhynchophylla is a shade-tolerant tree species which has a unibar population structure and climax characteristics of pioneer tree species. The relative frequency of young seedlings reached 0.4.3) The dominant species B. dahurica is still in an increasing stage, and the regeneration of other species is steady or partly influences the community, putting the community in the pioneer species stage. From the population structure and distribution frequency ofF. rhynchophylla, the B. dahurica forest will approach to a climax state in the future.
Betula dahurica forestcommunity structurepopulation structureregeneration type
Zhang Yong、Zheng Zhi-hua、Zhang Zhi-xiang
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College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, P. R. China
国家科技期刊平台
NSTL
万方数据
维普
