UBC Undergraduate Research

A review of the effects of climate and weather on mountain pine beetle population dynamics and impacts of climate change on range expansion in Canada Zhang, Zhaochang

Abstract

The recent past and future range expansion of mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae: Scolytinae), are reviewed on the basis of the review of the direct and indirect effects of climate and weather on beetle population dynamics. The recent warming has resulted in decreased cold-induced mortality, increased adaptive seasonality, and reduced host-tree defense, and has increased climatically benign habitats for the beetle. There has been a significant range expansion of mountain pine beetle in western Canada in the recent decades, posing a risk of future infestation in the adjacent boreal jack pine (Pinus banksiana Lamb.) forests.

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Attribution-NonCommercial-NoDerivs 2.5 Canada

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