Beetle community response to residual forest patch size in managed boreal forest landscapes: Feeding habits matter

Published Date
Forest Ecology and Management, 2016
¹Ministère de la Forêt, de la Faune et des Parcs du Québec, Direction de la Recherche Forestière, 2700 rue Einstein, Québec (QC), G1P 3W8, Canada
²Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, 1055 du PEPS, PO Box 10380, Québec (QC), G1V 4C7, Canada

Author
Mathieu Bouchard,   Christian Hébert

Abstract

Forest fragmentation by management activities has been implicated in the decline of forest biodiversity. Even though boreal ecosystems are generally deemed quite resilient to disturbance effects, high contemporary levels of disturbance might push forest-interior species toward decline or extinction. In this study, we examined beetle communities in forest patches of different sizes, including clearcuts, residual postharvest patches from 0.03 to 50ha in size, and large mature forest tracts (>1000ha). Overall, community structure follows a gradient between clearcuts and large mature forest tracts, even if patch size effects were more difficult to detect among patches > 2.5 ha. Beetles were most abundant in clearcuts, and species richness was highest in...

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