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Unité Mixte de Recherche Inra-Univ. Bordeaux 1 "Biodiversité Gènes et Communautés" - Biogeco

Unité mixte de recherche (Inra, Univ. Bordeaux 1)Biodiversité, gènes et communautés (Biogeco) INRA_rvb150Bordeaux1

INRA Bordeaux-Aquitaine

Site de Recherches Forêt-Bois

69 route d'Arcachon

33612 CESTAS Cedex - FRANCE

Castagneyrol Bastien (Post doctoral researcher)

+33 5 57 12 27 37,
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Communities Ecology

Bastien Castagneyrol (PhD)

School of biological sciences
Ecology Evolution and behaviour
Royal Holloway University of London
Egham, Surrey, TW20 0EX


INRA - UMR Biogeco
Ecologie des communautés
69 route d'Arcachon
33 612 Cestas Cedex France

e-mail :


My research focuses on the effect of tree diversities on insect herbivory in forest ecosystems. When I write "diversities", I mean tree diversity ranging from genetic diversity within populations to tree species diversity in landscape context.
My work rests on the general hypothesis that tree diversity provides resistance to insect herbivores. I use meta-analytical and field experiment approaches to test this hypothesis and explore the possible mechanisms involved in the diversity-resistance relationship.
My research shows that herbivory response to tree diversity depends on three main factors: (1) The relative abundance of tree species, (2) The composition of tree species assemblages, via tree apparency and resource availability to herbivores and (3) The feeding specialization of herbivores (generalist vs specialists).How these factors interact and determine the effect of tree diversities (i.e. genetic, specific, functional phylogenetic diversities…) on host choice and consumption by insects is likely to keep me busy me for a while.