The ecology of pre-dispersal insect herbivory on tree reproductive structures in natural forest ecosystems

Autor: Violette Doublet, Jean-Noël Candau, Thomas Boivin
Přispěvatelé: Ecologie des Forêts Méditerranéennes [Avignon] (URFM 629), Institut National de la Recherche Agronomique (INRA), European Project: 266546, Ecologie des Forêts Méditerranéennes (URFM), EU ERA-NET BiodivERsA Project SPONFOREST BiodivERsA3-2015-58
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Insect Science
Insect Science, Wiley, 2017, en cours de soumission
Insect Science, Wiley, 2017, en cours de soumission (2), ⟨10.1111/1744-7917.12549⟩
Insect Science, 2019, 26 (2), pp.182-198. ⟨10.1111/1744-7917.12549⟩
ISSN: 1672-9609
1744-7917
DOI: 10.1111/1744-7917.12549⟩
Popis: Plant-insect interactions are key model systems to assess how some species affect the distribution, the abundance, and the evolution of others. Tree reproductive structures represent a critical resource for many insect species, which can be likely drivers of demography, spatial distribution, and trait diversification of plants. In this review, we present the ecological implications of pre-dispersal herbivory on tree reproductive structures by insects (PIHR) in forest ecosystems. Both insect’s and tree’s perspectives are addressed with an emphasis on how spatio-temporal variation and unpredictability in seed availability can shape such particular plant-animal interactions. Reproductive structure insects show strong trophic specialization and guild diversification. Insects evolved host selection and spatio-temporal dispersal strategies in response to variable and unpredictable abundance of reproductive structures in both space and time. If PIHR patterns have been well documented in numerous systems, evidences of the subsequent demographic and evolutionary impacts on tree populations are still constrained by time-scale challenges of experimenting on such long-lived organisms, and modelling approaches of tree dynamics rarely consider PIHR when including biotic interactions in their processes. We suggest that spatially explicit and mechanistic approaches of the interactions between individual tree fecundity and insect dynamics will clarify predictions of the demogenetic implications of PIHR in tree populations. In a global change context, further experimental and theoretical contributions to the likelihood of life-cycle disruptions between plants and their specialized herbivores, and to how these changes may generate novel dynamic patterns in each partner of the interaction are increasingly critical.
Databáze: OpenAIRE
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