红海榄支柱根结构分析  

Analysis of Structure of Prop Roots of Rhizophora stylosa

作　　者：冯晓锋[1] 敬全民[1] 刘素青[1] 曾群英[1] 

机构地区：[1]广东海洋大学农学院,广东湛江524088

出　　处：《江西林业科技》2010年第3期16-20,46,共6页Jiangxi Forestry Science and Technology

基　　金：国家自然科学基金(30771724);广东自然科学基金(8152408801000007);广东海洋大学大学生创新项目(CXSY200914)

摘　　要：红海榄植株为小乔木,拥有非常发达的支柱根,抗风消浪能力强。通过探讨红海榄支柱根的支撑结构特征,结果表明,红海榄在红海榄纯林、红海榄+白骨壤混交林、红海榄+木榄混交林中,其支柱根都能形成受力结构合理、稳定支撑结构;当来自迎潮方向的作用力对红海榄产生足够大的影响力时,红海榄背潮方向上的支柱根的地径比迎潮方向上的大;不同群落的红海榄均形成不同的支柱根水平分布格局使其重力落在支柱根系统中。Rhizophora stylosa was an arbor with well-developed prop roots,strong power of wind-resistance and wave absorption.The characteristics of support structure of prop roots of R.stylosa were discussed in this paper.The results showed that in the pure forests of R.stylosa,mixed forests of R.stylosa and Avicennia marina,mixed forests of R.stylosa and Bruguiera gymnorhiza,its prop roots can form an optimal and stable support structure.When the sufficient influence force on R.stylosa generated by force came from,the root diameter of prop roots of R.stylosa tide at the direction back of the tide was bigger than that of the direction against the tide.Different communities of R.stylosa forming different patterns of horizontal distribution of prop roots and made its gravity pillar fell on the prop roots system.

关 键 词：红海榄 支柱根 根系结构 

分 类 号：S727.26[农业科学—林木遗传育种]