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Related Experiment Video

Updated: May 7, 2026

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area
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Published on: October 25, 2024

Wind and gravity mechanical effects on leaf inclination angles.

Loïc Tadrist1, Marc Saudreau2, Emmanuel de Langre3

  • 1École Polytechnique, Laboratoire d'hydrodynamique, 91128 Palaiseau, France; INRA, Physique et Physiologie intégratives de l'arbre fruitier et forestier, 63100 Clermont-Ferrand, France.

Journal of Theoretical Biology
|October 1, 2013
PubMed
Summary
This summary is machine-generated.

Leaf inclination angle distribution is crucial for tree photosynthesis and water interception. Mechanical leaf deformations significantly influence this distribution, impacting light interception.

Keywords:
BiomechanicsFlexibilityInclination angleLeavesWind

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Relating Stomatal Conductance to Leaf Functional Traits
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Measurement of Leaf Hydraulic Conductance and Stomatal Conductance and Their Responses to Irradiance and Dehydration Using the Evaporative Flux Method (EFM)
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Relating Stomatal Conductance to Leaf Functional Traits
11:09

Relating Stomatal Conductance to Leaf Functional Traits

Published on: October 12, 2015

Area of Science:

  • Plant biophysics
  • Ecological modeling

Background:

  • Leaf inclination angle distribution is vital for canopy function, affecting photosynthesis and water interception.
  • Mechanical forces like wind and gravity can alter leaf orientation.

Purpose of the Study:

  • To investigate the impact of mechanical leaf deformations on leaf inclination angle distribution.
  • To quantify the influence of tree geometry and leaf mechanics on this distribution.

Main Methods:

  • Utilized statistical mechanics models for idealized trees.
  • Experimentally quantified individual leaf deformation under gravity and wind.
  • Developed new dimensionless parameters to model leaf deformation.

Main Results:

  • Tree geometry has a minor effect on leaf inclination angle distribution.
  • Mechanical parameters significantly influence leaf inclination angle distributions.
  • Leaf deformation models, combined with tree geometry, accurately predict distribution.

Conclusions:

  • Mechanical leaf deformations are a key factor in determining leaf inclination angle distributions.
  • Understanding these distributions is essential for modeling light interception in trees.