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Cohortes

Nom du dispositif
Cohortes
Localisation
Forêt Domaniale de Bercé. Parcelles 227, 157, 255, 226
Forêt Domaniale de Réno Valdieu. Parcelles 39, 38, 59, 44-45
Forêt Domaniale de Tronçais. Parcelles 152, 62, 150, 234
Type de dispositif
Suivi in situ des mécanismes et des changements évolutifs dans quatre cohortes d’âge différent (340, 170, 60 et 12 ans, peuplements respectivement nés en 1680, 1850, 1960 and 2008)
Mono ou multi-site
Dispositif répliqué en 3 forêts (Tronçais, Bercé, Réno Valdieu). Trente arbres par cohorte sont reproduits ex situ par greffage en forêt Domaniale de Loches (parcelle 190)
Insertion dans un réseau
Non
Site Web
Treepeace
Description
 
Chaque cohorte est échantillonnée par 50 arbres géo référencés pour l’observation phénotypique in situ et a fait l’objet d’un séquençage en pool (génome entier, mappé sur le génome de référence). Des descendances issues de pollinisation libre ont été récoltées (sur 30 arbres parmi les 50 dans les trois cohortes les plus âgées) et transplantées en forêt Domaniale de Loches (Parcelle 190)
Lien sur un fichier descriptif
 
Date(s) d'installation
2014
Surface
Bercé
Réno Valdieu
Troncais
Parc 227
20 ha
Parc 39
10 ha
Parc 152
35 ha
Parc 157
28 ha
Parc 38
10 ha
Parc 62
19 ha
Parc 255
28 ha
Parc 59
12 ha
Parc 150
16 ha
Parc 226
21 ha
Parc 44-45
13 ha
Parc 234
28 ha
Type de substrat
-
Espèces structurantes
Chêne sessile, Hêtre
Variables testées/observées
Mécanismes évolutifs (reproduction, croisements assortatifs, dynamiques démographiques, sélection naturelle et anthropique..) et changements évolutifs (fréquences alléliques, caractères phénotypiques..)
instrumentation-équipement particulier
Nature des données / type de mesures
Moléculaires, phénotypiques, écologiques
Disponibilité des données
Données moléculaires (poolseq): 
https://data.inrae.fr/dataset.xhtml?persistentId=doi:10.15454/JLA1A0
Gestionnaire des données
François Ehrenmann
Contact scientifique
Antoine Kremer / Benjamin Dencausse
Partenaires (installation/gestion/suivi)
ONF (Bercé, RénoValdieu , Tronçais, RDI)
Publications
Articles scientifiques
Saleh D, Chen J, Leplé JC, Leroy T, Truffaut L, Dencausse B, Lalanne C, Labadie K, Lesur I, Bert D, Lagane F, Morneau F, Aury JM, Plomion C., Lascoux M, Kremer A 2021 Genome-wide evolutionary response of European oaks during the Anthropocene. Evolution Letters (In press)
Littérature grise (rapports, techniques, Rapports de stage)
Moura Alice 2017. Suivi de l’adaptation du chêne sessile face au changement climatique. Rapport de DUT Génie Biologique option Génie de l’Environnement. IUT de Tours. 34p