Preprint Article Version 1 This version is not peer-reviewed

Bark Beetle Population Dynamics in the Anthropocene: Challenges and Solutions

Version 1 : Received: 26 October 2018 / Approved: 26 October 2018 / Online: 26 October 2018 (16:30:11 CEST)

A peer-reviewed article of this Preprint also exists.

Journal reference: Trends in Ecology and Evolution 2019
DOI: 10.1016/j.tree.2019.06.002

Abstract

Tree-killing bark beetles are the most economically important insects in conifer forests worldwide. Yet  despite >200 years of research, the drivers of population eruptions or crashes are still not fully understood, precluding reliable predictions of the effects of global change on beetle population dynamics and impacts on ecosystems and humans.  We critically analyze potential biotic and abiotic drivers of population dynamics of the European spruce bark beetle (Ips typographus) and present a novel ecological framework that integrates the multiple drivers governing this bark beetle system. We call for large-scale collaborative research efforts to improve our understanding of the population dynamics of this important pest; an approach that might serve as a blueprint for other eruptive forest insects.

Subject Areas

European spruce bark beetle, Ips, Dendroctonus, global change, symbiosis, natural enemies, population dynamics, biotic interactions, tree killing, forest pest

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