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Saproxylic insect assemblages in Canadian forests: diversity, ecology and conservation Open Access


Author or creator
Langor, D. W.
Hammond, H.E.J.
Spence, J.R.
Jacobs, J. M.
Cobb, T.P.
Additional contributors
Dead wood
Growth boreal forests
Species richness
Beetles coleoptera
Decaying wood
Coarse woody debris
Community composition
Spruce forests
Southeastern Ontario
Type of item
Conference/workshop Presentation
Saproxylic insect assemblages inhabiting dead wood in Canadian forests are highly diverse and variable but quite poorly understood. Adequate assessment of these assemblages poses significant challenges with respect to sampling, taxonomy, and analysis. Their assessment is nonetheless critical to attaining the broad goals of sustainable forest management because Such species are disproportionately threatened elsewhere by the reductions in dead wood generally associated with commercial exploitation of northern forests. The composition of the saproxylic fauna is influenced by many factors, including tree species, degree of decay, stand age, and cause of tree death. Wildfire and forest harvesting have differential impacts on saproxylic insect assemblages and on their recovery in postdisturbance stands. Exploration of saproxylic insect responses to variable retention harvesting and experimental burns is contributing to the development of prescriptions for conserving saproxylic insects in boreal forests. Understanding of processes that determine diversity patterns and responses of saproxylic insects Would benefit front increased attention to natural history. Such work Should aim to provide a habitat-classification system for dead wood to better identify habitats (and associated species) at risk its a result of forest management. This tool Could also be used to improve strategies to better maintain saproxylic organisms and their central nutrient-cycling functions in managed forests.
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© 2008 Cambridge University Press. This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited.
Citation for previous publication
Langor, DW; Hammond, HEJ; Spence, JR; Jacobs, JM; Cobb, TP. (2008). Saproxylic insect assemblages in Canadian forests: diversity, ecology and conservation. The Canadian Entomologist. 140(4), 453-474. DOI:

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