• LESSEM, Irstea, St-Martin-d’Hères, France
  • Biodiversity, Biogeography, Climate change, Coexistence, Community ecology, Competition, Demography, Ecological successions, Facilitation & Mutualism, Macroecology, Population ecology, Terrestrial ecology, Theoretical ecology
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Master in Forestry PhD in Population Ecology

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Crown defoliation decreases reproduction and wood growth in a marginal European beech population.
Sylvie Oddou-Muratorio, Cathleen Petit-Cailleux, Valentin Journé, Matthieu Lingrand, Jean-André Magdalou, Christophe Hurson, Joseph Garrigue, Hendrik Davi, Elodie Magnanou.

Recommended by Georges Kunstler based on reviews by 3 anonymous reviewers
Defoliation induces a trade-off between reproduction and growth in a southern population of Beech

Individuals ability to withstand abiotic and biotic stresses is crucial to the maintenance of populations at climate edge of tree species distribution. We start to have a detailed understanding of tree growth response and to a lesser extent mortality response in these populations. In contrast, our understanding of the response of tree fecundity and recruitment remains limited because of the difficulty to monitor it at the individual tree level in the field. Tree recruitment limitation is, howeve...


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Soil variation response is mediated by growth trajectories rather than functional traits in a widespread pioneer Neotropical tree
Sébastien Levionnois, Niklas Tysklind, Eric Nicolini, Bruno Ferry, Valérie Troispoux, Gilles Le Moguedec, Hélène Morel, Clément Stahl, Sabrina Coste, Henri Caron, Patrick Heuret

Recommended by François Munoz based on reviews by Georges Kunstler and François Munoz
Growth trajectories, better than organ-level functional traits, reveal intraspecific response to environmental variation

Functional traits are “morpho-physio-phenological traits which impact fitness indirectly via their effects on growth, reproduction and survival” [1]. Most functional traits are defined at organ level, e.g. for leaves, roots and stems, and reflect key aspects of resource acquisition and resource use by organisms for their development and reproduction [2]. More rarely, some functional traits can be related to spatial development, such as vegetative height and lateral spread in plants.