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[1]张宇阳 马文宝** 于 涛 姬慧娟 高健 李俊清** 高尚.梓叶槭种群结构和群落特征研究*[J].应用与环境生物学报,2018,24(04):1-9.[doi:10.3724/SP.J.1145.2017.09040]
 ZHANG Yuyang,MA Wenbao**,YU Tao,et al.Study on population structure and community characteristics of Acer catalpifolium Rehd. *[J].Chinese Journal of Applied & Environmental Biology,2018,24(04):1-9.[doi:10.3724/SP.J.1145.2017.09040]
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梓叶槭种群结构和群落特征研究*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
24卷
期数:
2018年04期
页码:
1-9
栏目:
研究论文
出版日期:
2018-08-25

文章信息/Info

Title:
Study on population structure and community characteristics of Acer catalpifolium Rehd. *
文章编号:
201709040
作者:
张宇阳1 马文宝2** 于 涛1 姬慧娟2 高健1 李俊清1** 高尚3
1北京林业大学省部共建森林培育与保护教育部重点实验室 北京 100083
2 四川省林业科学研究院 成都 610081?
3 四川七彩林业开发有限公司 成都 610041
Author(s):
ZHANG Yuyang1 MA Wenbao2**YU Tao1JI Huijuan2 GAO Jian1LI Junqing1** GAO Shang3
1 Beijing forestry university, the provincial department to build key laboratory of forest cultivation and protection of the ministry of education, Beijing 100083, China
2 Sichuan academy of forestry,,Chengdu 610081,China
3 Sichuan colorful forestry Co., Ltd
关键词:
梓叶槭极小种群野生植物群落特征多样性指数种群结构
Keywords:
Acer catalpifolium Rehd Plant Species with Extremely Small Populations community characteristic diversity index population structure.
DOI:
10.3724/SP.J.1145.2017.09040
摘要:
梓叶槭(Acer catalpifolium Rehd.)是分布狭窄的极小种群野生植物,研究其群落特征和种群结构对保护梓叶槭具有极为重要的意义。为了充分了解梓叶槭分布地种群现状和未来发展趋势,本研究通过对梓叶槭(A. catalpifolium) 5个分布点(分别为:财神庙(CSM)、般若寺(BRS)、张山村(ZSC)、伏虎寺(FHS)、报国寺(BGS))进行群落调查,探索了梓叶槭种群结构及其生存群落的物种构成和群落特征。结果表明,梓叶槭主要分布于常绿阔叶-落叶阔叶混交林中,不同样地的梓叶槭群落层次,即乔木层、灌木层以及草本层分别有伴生植物52种、74种和52种。梓叶槭的多度分配比例来看,BRS样地中最大,为26.04%,随后依次是FHS,ZSC,BGS和CSM。梓叶槭生存群落内,FHS,BRS,BGS和CSM样地群落的物种多样性指数均较高,但ZSC群落相对较低;在梓叶槭种群年龄结构的调查中发现梓叶槭幼苗及幼树等级分布出现残缺,种群自然更新困难。梓叶槭生存群落内,不同生长层优势种占有较大的环境资源,是影响梓叶槭的种子萌发、幼苗幼树的生长和种群发展的主要障碍。(图2 表3 参26)
Abstract:
Objetiives:Acer catalpifolium Rehd., a critical endangered tree species with extremely limited distribution range, is one of 120 plant species with extremely small populations approved by the Yunnan government for urgent rescue action. Methods:For comprehensively understanding the populations status and future developing trend of A. catalpifolium, communities investigation were conducted in 5 sites included CaiShenMiao(CSM), BanRuoSi (BRS), ZhangShanCun (ZSC), FuHuSi (FHS) and BaoGuoSi (BGS). Populations structure of A. catalpifolium as well as species composition and communities characteristics of its habitat.Results: The results showed that A. catalpifolium mainly distributed in evergreen broad-leaved and deciduous broad-leaved mixed forest, different communities layer (including tree layer, shrub layer and herb layer) accompanied with 52, 74 and 52 plant species respectively. As for abundance distribution proportion of A. catalpifolium, BRS site had largest distribution, account for 26.04%, followed by FHS, ZSC, BGS and CSM site. For the aspect of communities characteristics, the species diversity indices in FHS,BRS,BGS and CSM sites were greater than that of ZSC site. Conclusions:The investigation of population age structure of A. catalpifolium revealed the gap in the distribution of seedling and young trees level. There were serious obstacles to population natural regeneration. We conclude that obstacle to the population regeneration of A. catalpifolium might be caused by great competition pressure from dominant species and micro-environment under forest.

备注/Memo

备注/Memo:
收稿日期:2017-09-27 接受日期:2017-11-24
*国家重点研发计划项目(2016YFC0503106)、四川省科技支撑项目(2017JY0279)资助
**通讯作者(E-mail:mawenbao_2000@126.com、lijq@bjfu.edu.cn )
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更新日期/Last Update: 2017-12-26