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View article: Influence of mechanical stress on biomass allocation in three species (Pachira aquatica Aubl., Sextonia rubra (Mez) van der Werff and Simarouba amara Aubl.) with contrasting posture control mechanisms
Influence of mechanical stress on biomass allocation in three species (Pachira aquatica Aubl., Sextonia rubra (Mez) van der Werff and Simarouba amara Aubl.) with contrasting posture control mechanisms Open
Key message The posture control in Pachira aquatica, Sextonia rubra and Simarouba amara is achieved through contrasted mechanisms involving tensile stress in wood only, bark only or both. This study evidenced that the restoration of vertic…
View article: Tropical tree species with high wood specific gravity have higher concentrations of wood phosphorus and are more efficient at resorbing it
Tropical tree species with high wood specific gravity have higher concentrations of wood phosphorus and are more efficient at resorbing it Open
Phosphorus (P) and potassium (K) play important roles in plant metabolism and hydraulic balance, respectively, while calcium (Ca) and magnesium (Mg) are important components of cell walls. Although significant amounts of these nutrients ar…
View article: The links between wood traits and species demography change during tree development in a lowland tropical rainforest
The links between wood traits and species demography change during tree development in a lowland tropical rainforest Open
One foundational assumption of trait-based ecology is that traits can predict species demography. However, the links between traits and demographic rates are, in general, not as strong as expected. These weak associations may be due to the…
View article: Natural durability of 8 tropical species suitable for structural roundwood: laboratory screening tests for resistance to fungi and termites
Natural durability of 8 tropical species suitable for structural roundwood: laboratory screening tests for resistance to fungi and termites Open
Knowledge of the wood properties of tropical tree species is still relatively limited, so timber extraction focuses on a few abundant, large-diameter species. Very little is known about small-diameter trees, although they could be used dir…
View article: FORESTT – Forêts et changements globaux : systèmes socio-écologiques en transition
FORESTT – Forêts et changements globaux : systèmes socio-écologiques en transition Open
Forest social ecological systems play a determinant role in adaptation to global change and mitigation processes. However, managers and decision-makers are faced with many uncertainties due to the major threats to the maintenance of the ec…
View article: Natural durability of 8 tropical species suitable for round wood building: fungal and termites laboratory screening tests
Natural durability of 8 tropical species suitable for round wood building: fungal and termites laboratory screening tests Open
International audience
View article: Revealing the potential of Guianese waste fibers from timber production and clearings for the development of local and bio-based insulation fiberboards.
Revealing the potential of Guianese waste fibers from timber production and clearings for the development of local and bio-based insulation fiberboards. Open
In French Guiana, the development of bio-circular value chains to convert residual biomass into insulation fiberboard represents a promising opportunity to build energy-efficient houses. The objectives of this work are to select and charac…
View article: Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy
Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy Open
Trees generate mechanical stresses at periphery of stem and branches to improve their strength and to control the orientation of their axes. This key factor in the biomechanical design of trees, named “maturation stress”, occurs in wood fi…
View article: Extreme Poisson's Ratios Recorded In The Secondary Phloem Of Malvaceae (online data)
Extreme Poisson's Ratios Recorded In The Secondary Phloem Of Malvaceae (online data) Open
This zip file contains two dataset (in xl format), namely the experimental results and the parametric study in relation to the published article
View article: Extreme Poisson's Ratios Recorded In The Secondary Phloem Of Malvaceae (online data)
Extreme Poisson's Ratios Recorded In The Secondary Phloem Of Malvaceae (online data) Open
This zip file contains two dataset (in xl format), namely the experimental results and the parametric study in relation to the published article
View article: Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy
Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy Open
This dataset corresponds to the Arnould et al. (2022) paper (available at https://www.biorxiv.org/content/10.1101/2021.09.23.461481v1.full) on the mechanical characterization of developing cell wall layers of tension wood fibers by Atomic …
View article: Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy
Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy Open
This dataset corresponds to the Arnould et al. (2022) paper (available at https://www.biorxiv.org/content/10.1101/2021.09.23.461481v1.full) on the mechanical characterization of developing cell wall layers of tension wood fibers by Atomic …
View article: Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy
Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy Open
This dataset corresponds to the Arnould et al. (2022) paper (available at https://www.biorxiv.org/content/10.1101/2021.09.23.461481v1.full) on the mechanical characterization of developing cell wall layers of tension wood fibers by Atomic …
View article: Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy
Mechanical characterisation of the developing cell wall layers of tension wood fibres by Atomic Force Microscopy Open
A bstract Trees generate mechanical stresses at periphery of stem and branches to improve their strength and to control the orientation of their axes. This key factor in the biomechanical design of trees, named “maturation stress”, occurs …
View article: Anatomies, vascular architectures, and mechanics underlying the leaf size-stem size spectrum in 42 Neotropical tree species
Anatomies, vascular architectures, and mechanics underlying the leaf size-stem size spectrum in 42 Neotropical tree species Open
The leaf size-stem size spectrum is one of the main dimensions of plant ecological strategies. Yet the anatomical, mechanical, and hydraulic implications of small versus large shoots are still poorly understood. We investigated 42 tropical…
View article: How does bark contribution to postural control change during tree ontogeny? A study of six Amazonian tree species
How does bark contribution to postural control change during tree ontogeny? A study of six Amazonian tree species Open
Recent works revealed that bark is able to produce mechanical stress to control the orientation of young tilted stems. Here we report how the potential performance of this function changes with stem size in six Amazonian species with contr…
View article: Contributions of bark and tension wood and role of the G-layer lignification in the gravitropic movements of 21 tropical tree species
Contributions of bark and tension wood and role of the G-layer lignification in the gravitropic movements of 21 tropical tree species Open
Key message Gravitropic movements in angiosperm woody stems are achieved through the action of bark and/or wood motor, depending on the bark and wood fibre anatomy (with trellis structure or not; with G-layers or not). Bark motor is as eff…
View article: Diversity of anatomical structure of tension wood among 242 tropical tree species
Diversity of anatomical structure of tension wood among 242 tropical tree species Open
Angiosperm trees produce tension wood to actively control their vertical position. Tension wood has often been characterised by the presence of an unlignified inner fibre wall layer called the G-layer. Using this definition, previous repor…
View article: Mechanical stress in the inner bark of 15 tropical tree species and the relationship with anatomical structure
Mechanical stress in the inner bark of 15 tropical tree species and the relationship with anatomical structure Open
Recent studies have shown that the inner bark is implicated in the postural control of inclined tree stems through the interaction between wood radial growth and tangential expansion of a trellis fiber network in bark. Assessing the taxono…
View article: Biophysical dependences among functional wood traits
Biophysical dependences among functional wood traits Open
Wood properties and especially wood density have been used as functional traits organized along major axes of species life history and strategy. Beyond statistical analyses, a better mechanistic understanding of relationships among wood tr…
View article: Mechanical contribution of secondary phloem to postural control in trees: the bark side of the force
Mechanical contribution of secondary phloem to postural control in trees: the bark side of the force Open
Summary To grow straight, plants need a motor system that controls posture by generating forces to offset gravity. This motor function in trees was long thought to be only controlled by internal forces induced in wood. Here we provide evid…
View article: Is the G-Layer a Tertiary Cell Wall?
Is the G-Layer a Tertiary Cell Wall? Open
OPINION article Front. Plant Sci., 08 May 2018Sec. Plant Physiology Volume 9 - 2018 | https://doi.org/10.3389/fpls.2018.00623
View article: Diversity in the organisation and lignification of tension wood fibre walls – A review
Diversity in the organisation and lignification of tension wood fibre walls – A review Open
Tension wood, a tissue developed by angiosperm trees to actively recover their verticality, has long been defined by the presence of an unlignified cellulosic inner layer in the cell wall of fibres, called the G-layer. Although it was know…