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常绿阔叶林常见树种根茎叶功能性状的相关性

赵文霞 邹斌 郑景明 罗久富

赵文霞, 邹斌, 郑景明, 罗久富. 常绿阔叶林常见树种根茎叶功能性状的相关性[J]. 北京林业大学学报, 2016, 38(6): 35-41. doi: 10.13332/j.1000-1522.20160087
引用本文: 赵文霞, 邹斌, 郑景明, 罗久富. 常绿阔叶林常见树种根茎叶功能性状的相关性[J]. 北京林业大学学报, 2016, 38(6): 35-41. doi: 10.13332/j.1000-1522.20160087
ZHAO Wen-xia, ZOU Bin, ZHENG Jing-ming, LUO Jiu-fu. Correlations between leaf, stem and root functional traits of common tree species in an evergreen broad-leaved forest[J]. Journal of Beijing Forestry University, 2016, 38(6): 35-41. doi: 10.13332/j.1000-1522.20160087
Citation: ZHAO Wen-xia, ZOU Bin, ZHENG Jing-ming, LUO Jiu-fu. Correlations between leaf, stem and root functional traits of common tree species in an evergreen broad-leaved forest[J]. Journal of Beijing Forestry University, 2016, 38(6): 35-41. doi: 10.13332/j.1000-1522.20160087

常绿阔叶林常见树种根茎叶功能性状的相关性

doi: 10.13332/j.1000-1522.20160087
基金项目: 

林业公益性行业科研专项(201404303)

详细信息
    作者简介:

    赵文霞。主要研究方向:恢复生态与生物多样性保护。Email: zhaowenxiaabc@163.com 地址:100083 北京市海淀区清华东路35号北京林业大学林学院。

    责任作者:

    郑景明,副教授。主要研究方向:恢复生态与生物多样性保护。Email: zhengjm@bjfu.edu.cn 地址:同上。

Correlations between leaf, stem and root functional traits of common tree species in an evergreen broad-leaved forest

  • 摘要: 以有关植物各构件功能性状之间关系的3个主要假说(功能相似假说、结构相似假说和整体协调假说)为依据,研究植物3个构件根、茎、叶对应功能性状之间的关系,是目前植物功能性状研究领域的研究热点。本文以江西大岗山栲树天然阔叶林中常见的16个树种为研究对象,选择了植物比叶面积、比根长、各构件组织密度以及各构件碳、氮、磷含量等共15个功能性状指标。并将其分为结构性状和化学性状2大类,利用多重t检验和皮尔森相关检验对根、茎、叶3个构件对应功能性状的差异性和相关性进行了分析。结果表明:在结构性状方面,比叶面积和比根长之间相关性不显著;各构件组织密度差异显著,大小依次为叶>茎>根,茎和根的组织密度相关性比叶和茎、叶和根更强。在化学性状方面,各构件碳含量大小并无显著差异,且相关性极显著;氮含量从高到低依次为叶>小枝>细根,且叶和细根的氮含量相关性显著;磷含量从高到低依次为小枝>叶>细根,且3个构件之间磷含量都为正相关。从各构件结构性状的关系来看,研究结果支持结构相似假说;从各构件氮含量的关系来看,研究结果支持功能相似假说;从各构件碳含量和磷含量的关系来看,研究结果支持整体协调假说。整体来看,植物各个构件的功能性状之间耦合协调,反映了植物适应环境的生态策略。

     

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出版历程
  • 收稿日期:  2016-03-17
  • 修回日期:  2016-03-17
  • 刊出日期:  2016-06-30

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