[1]王加国,李晓芳,安明态*,等. 雷公山濒危植物台湾杉群落主要乔木树种种间联结性研究[J].西北林学院学报,2015,30(04):78-83.[doi:doi:10.3969/j.issn.1001-7461.2015.04.13]
 WANG Jia-guo,LI Xiao-fang,AN Ming-tai*,et al. Inter-specific Association among Main Tree Species in Taiwania cryptomerioides Community in Leigong Mountain[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(04):78-83.[doi:doi:10.3969/j.issn.1001-7461.2015.04.13]
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 雷公山濒危植物台湾杉群落主要乔木树种种间联结性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年04期
页码:
78-83
栏目:
出版日期:
2015-07-31

文章信息/Info

Title:
 Inter-specific Association among Main Tree Species in Taiwania cryptomerioides Community in Leigong Mountain
文章编号:
1001-7461(2015)04-0078-06
作者:
 王加国1李晓芳1安明态1*袁丛军2严令斌1余德会3
 (1. 贵州大学 林学院,贵州 贵阳 550025;2. 贵州省林业科学研究院,贵州 贵阳 550005;3. 贵州雷公山国家级自然保护区管理局, 贵州 雷山 557100)
Author(s):
 WANG Jia-guo1 LI Xiao-fang1 AN Ming-tai1* YUAN Cong-jun2 YAN Ling-bin1 YU De-hui3
 (1. College of Forestry, Guizhou University, Guiyang, Guizhou 550025, China; 2. Guizhou Academy of Forestry, Guiyang, Guizhou 550005, China; 3. National Nature Reserve of Leigong Mountain, Leishan, Guizhou 557100, China)
关键词:
 台湾杉群落乔木树种种间联结濒危雷公山
Keywords:
Taiwania cryptomerioidess community tree species inter-specific association endangered plant Leigong Mountain.
分类号:
S791.28
DOI:
doi:10.3969/j.issn.1001-7461.2015.04.13
文献标志码:
A
摘要:
 台湾杉天然分布少,加之生境受到不同程度破坏,生态环境较为脆弱,其群落亟待保护与恢复。为全面准确地了解雷公山台湾杉群落种间联结特性,采用2×2列联表,χ2检验和W检验,结合共同出现百分率PC、联结系数AC和Spearman秩相关系数,分析雷公山国家级自然保护区典型台湾杉群落主要乔木树种种间总体关联性、种间联结性与种间相关基本特征。结果表明,16个主要乔木树种总体间关联性呈不显著负相关,各种群间对光照等资源竞争激烈,群落处于动态演替不稳定阶段。经χ2检验,群落中只有极少数种对存在显著关联,93.33%种对联结未达到显著水平。大部分种对联结系数和共同出现百分率都并不高,种对间相关性较弱,独立性相对较强。群落主要乔木树种间以负相关占明显优势,该群落的多数树种间仍存在对光照、养分等资源位的竞争。
Abstract:
 The growth environment of Taiwania cryptomerioidess was destroyed with different extents because of less natural distribution and the weaker ecosystem. The community needs to be protected and restored urgently. To have an overall and accurate understanding for their coupling characteristics among the T. cryptomerioidess community in Leigong Mountain, this paper adopted the 2×2 contingency table, χ2-test and W-test, combined with the percentage co-occurrence PC, coupling coefficient AC and Spearman correlation coefficient, the basic features of the overall relevance, combination and covariation for 16 major tree species in Leigong Mountain were analyzed. Not significantly negative correlations were generally observed among 16 species. Competitions were keen among populations for the resources, such as sunshine, the community was in an unstable stage of evolution. Through the χ2-test, it was found that significant interspecific associations existed only in a few species, most of them (93.33%) were not in significant level. The coefficients of interspecific associations were low, and the percentages of coexistence of two species were not high, indicating weak association and strong capability of independency of the species. The major species in the community had obvious predominance because of its negative covariance. Most species in the community still had intense competition such as lights and nutrients.

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备注/Memo

备注/Memo:
 收稿日期:2014-09-25修回日期:2015-01-26
基金项目:国家林业局第二次全国重点保护野生植物资源调查项目(贵州省区);贵州省科技支撑计划项目(黔科合NY字[2010]3058号)。
作者简介:王加国,男,硕士研究生,研究方向:保护生物学。E-mail:wangjiaguoyx@163.com
*通信作者:安明态,男,副教授,硕士生导师,研究方向:植物分类学和保护生物学。E-mail:gdanmingtai@126.com
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