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Microgeographic adaptation and the effect of pollen flow on the adaptive potential of a temperate tree species
In species with long‐distance dispersal capacities and inhabiting a large ecological niche, local selection and gene flow are expected to be major evolutionary forces affecting the genetic adaptation of natural populations. Yet,…
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Where is the optimum? Predicting the variation of selection along climatic gradients and the adaptive value of plasticity. A case study on tree phenology
Many theoretical models predict when genetic evolution and phenotypic plasticity allow adaptation to changing environmental conditions. These models generally assume stabilizing selection around some optimal phenotype. We however often ignore how optimal…
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La LPPR est tout le contraire de ce que nous voulons : un enseignement supérieur et une recherche au service de toutes et tous avec des moyens humains et matériels garantis et pérennes
Tribune publiée dans Médiapart le 25 Juin 2020 Cendrine Berger (Secrétaire de la CGT FERC Sup) Josiane Tack (Secrétaire du SNTRS-CGT), Hendrik Davi (Secrétaire de la CGT INRAE) La violence de la…
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Face à la crise écologique, la recherche doit être publique et indépendante !
Entretien que j’ai donné dans le cadre d’université ouverte Au-delà de la pandémie actuelle, nos organisations sociales sont face à un défi gigantesque : limiter la destruction écologique liée aux activités humaines…
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Impact du changement global sur les forêts méditerranéennes
http://dialectical-ecologist.fr/wp-content/uploads/2019/11/impact-CC_vs2019_V2.pdf Conférence donnée à Manosque
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Sensitivity analysis of tree phenology models reveals increasing sensitivity of their predictions to winter chilling temperature and photoperiod with warming climate
The phenology of plants is a major driver of agro-ecosystem processes and biosphere feedbacks to the climate system. Phenology models are classically used in ecology and agronomy to project future phenological changes.…
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Impact of local soil and subsoil conditions on inter-individual variations in tree responses to drought: insights from Electrical Resistivity Tomography
Inter-individual variability of tree drought responses within a stand has received little attention. Here we explore whether the spatial variations in soil/subsoil properties assessed through Electrical Resistivity Tomography (ERT) could explain variations…
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The role of deep vadose zone water in tree transpiration during droughtperiods in karst settings – Insights from isotopic tracing and leaf waterpotential
Karst environments are unusual because their dry, stony and shallow soils seem to be unfavorable to veg-etation, and yet they are often covered with forests. How can trees survive in these environments?…
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A Marseille un espoir sans précédent ?
Ironie de l’histoire. Marseille la populaire, malaimée de la République. Marseille qui a été mise sous tutelle de l’État en 1938 après un incendie meurtrier, menace une nouvelle fois brandie l’an dernier…
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Maio capo verde
Maio au Cap vert en Avril 2019…
