JACTEL, Herve; KORICHEVA, Julia; CASTAGNEYROL, Bastien

doi:10.1016/j.cois.2019.07.010

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JACTEL, Herve
Biodiversité, Gènes & Communautés [BioGeCo]

KORICHEVA, Julia
Royal Holloway [University of London] [RHUL]

CASTAGNEYROL, Bastien
Biodiversité, Gènes & Communautés [BioGeCo]

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Ce document a été publié dans

Current Opinion in Insect Science. 2019, vol. 35, p. 103-108

Elsevier

Résumé en anglais

Climate change is a multi-faceted phenomenon, including elevated CO2, warmer temperatures, more severe droughts and more frequent storms. All these components can affect forest pests directly, or indirectly through interactions with host trees and natural enemies. Most of the responses of forest insect herbivores to climate change are expected to be positive, with shorter generation time, higher fecundity and survival, leading to increased range expansion and outbreaks. Forest insect pest can also benefit from synergistic effects of several climate change pressures, such as hotter droughts or warmer storms. However, lesser known negative effects are also likely, such as lethal effects of heat waves or thermal shocks, less palatable host tissues or more abundant parasitoids and predators. The complex interplay between abiotic stressors, host trees, insect herbivores and their natural enemies makes it very difficult to predict overall consequences of climate change on forest health. This calls for the development of process-based models to simulate pest population dynamics under climate change scenarios.< Réduire

DOI

http://dx.doi.org/10.1016/j.cois.2019.07.010

Project ANR

Diversité et Productivité des forêTs impactées par le Changement Climatique

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Importé de hal

Unités de recherche

BioGeCo (Biodiversité Gènes & Communautés) - UMR 1202