IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Alternative TitleEffect of canopy structure on plant diversity of evergreen broadleaved forest in Qingcheng Mountain
曾晓阳1; 高永恒1
Corresponding Author高永恒
Source Publication甘肃农业大学学报


Other Abstract

【Objective】Analyzing the relationships between the canopy structure and vegetation diversity of the evergreen broadleaved forest in Qingcheng Mountain.【Method】The quadrat method and canopy analyzer were used to investigate vegetation diversity and canopy structure for the evergreen broadleaved forest,respectively.【Result】Plant species rich in Qingcheng Mountain.Simpson diversity index and the evenness in both tree and shrub layers were higher than them in herb layer.The richness in tree layer was higher than in shrub layer,but no differences were observed on diversity index and evenness between these two layers.Simpson diversity index had a negative correlation with Photo synthetic Photon Flux Density (PPFD)above the canopy in tree,shrub and herb layers,but had a positive correlation with PPFD below canopy in shrub and herb layers.The evenness was positive correlation with gap fraction and openness,but negative correlation with canopy closure in herb layer.【Conclusion】Light environment caused by the difference of canopy structure has larger effect on herb layer than that on tree and shrub layers.The under story light intensity is the major factor controlling vegetation growth and succession in evergreen broadleaved forest in Qingcheng Mountain.

Keyword青城山 常绿阔叶林 植物群落 冠层结构 半球影像
Subject AreaS718.54
Indexed ByCSCD ; 北大中文核心
Funding Organization四川省青年科学基金项目(2010JQ0026) ; 四川建筑职业技术学院院级科研项目(201114)
Citation statistics
Cited Times:11[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
曾晓阳,高永恒. 青城山常绿阔叶林冠层结构对植被生物多样性的影响[J]. 甘肃农业大学学报,2017,52(2):65-70.
APA 曾晓阳,&高永恒.(2017).青城山常绿阔叶林冠层结构对植被生物多样性的影响.甘肃农业大学学报,52(2),65-70.
MLA 曾晓阳,et al."青城山常绿阔叶林冠层结构对植被生物多样性的影响".甘肃农业大学学报 52.2(2017):65-70.
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