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首页> 外文期刊>Tropical Ecology >Patterns of tree-liana interactions: distribution and host preference of lianas in a tropical dry evergreen forest in India
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Patterns of tree-liana interactions: distribution and host preference of lianas in a tropical dry evergreen forest in India

机译：Tree-Liana相互作用的模式：Lianas在印度热带干燥常绿森林中的分布和宿主偏好

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摘要

Lianas are structurally dependent life-form that rely mostly on trees to access the forest canopy. The complex interactions between lianas and trees are often effected by host species' traits. Lianas are evolved with various climbing mechanisms that aid them attach and infest the host trees. Liana infestation on trees now seems to be common in many tropical forests, where they are abundant. The present study was aimed to investigate the patterns of liana-tree interactions in tropical dry evergreen forest of Point Calimere Wildlife Sanctuary (PCWS), southeast India. This study also analyzes the impact of various tree functional traits on liana colonization success in the PCWS. All trees = 10 cm girth at breast height (gbh) was measured along with lianas (= 1 cm diameter at 1.3 m from the rooting point) they hosted. Overall, 57.9% of trees in the study sites carried at least one liana. The infested trees hosted an average of 1.53 +/- 0.49 (range; 0-8) lianas per tree. At PCWS, the trees with medium girth-class, moderate wood specific density, rough bark and those with pronounced summer leaflessness are more prone to be infested by lianas. The preference of lianas under different climbing mechanisms in selecting host trees remained similar, although their proportion differed slightly in the present study. Liana infestation on host trees can be highly dynamic under the current scenario of increasing liana abundance and biomass in tropical forests world over for which, we recommend the need for documenting the patterns of tree-liana interactions, by employing a standard protocol to facilitate global comparisons.
机译：藤星是结构上依赖的生命形式，主要依赖于树木来进入森林冠层。莲花和树木之间的复杂相互作用通常由宿主物种的特征进行。 Lianas通过各种攀爬机制演变，有助于他们附加和侵染宿主树木。莲花在树上的侵袭现在在许多热带森林中似乎很常见，在那里他们很丰富。目前的研究旨在调查印度东南部的热带干燥常绿森林的莲花树相互作用的模式。本研究还分析了各种树功能性状对PCW中Liana殖民化成功的影响。所有树木＆ = 10厘米的乳房高度（GBH）围绕它们托管的Lianas（＆ = 1cm直径1.3米）。总体而言，研究网站的57.9％的树木携带至少一个莲花。侵染的树木平均占1.53 +/- 0.49（范围; 0-8）莲花。在PCWS，带有中长类的树木，中等木质特定密度，粗糙的树皮和具有明显夏叶的人更容易被莲花侵染。莲花在选择宿主树中的不同攀爬机制下的偏好保持相似，尽管它们的比例在本研究中略有不同。在热带森林世界中，莲花树上的宿川侵染在热带森林世界中的日益增加的情况下，我们建议通过采用标准议定书来记录树莲花互动的模式，以促进全球比较，以便记录树 - 莲花相互作用的模式。

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