Mechanosensing of stem bending and its interspecific variability in five neotropical rainforest species | Zendy

Catherine Coutand | Zendy; Malia Chevolot | Zendy; André Lacointe | Zendy; Nicholas Rowe | Zendy; I. Scotti | Zendy

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Mechanosensing of stem bending and its interspecific variability in five neotropical rainforest species

Author(s) -

Catherine Coutand,

Malia Chevolot,

André Lacointe,

Nicholas Rowe,

I. Scotti

Publication year - 2009

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcp286

Subject(s) - rainforest , biology , interspecific competition , canopy , ecology , tropical rainforest , botany

In rain forests, sapling survival is highly dependent on the regulation of trunk slenderness (height/diameter ratio): shade-intolerant species have to grow in height as fast as possible to reach the canopy but also have to withstand mechanical loadings (wind and their own weight) to avoid buckling. Recent studies suggest that mechanosensing is essential to control tree dimensions and stability-related morphogenesis. Differences in species slenderness have been observed among rainforest trees; the present study thus investigates whether species with different slenderness and growth habits exhibit differences in mechanosensitivity.

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