As the mountain pine beetle (MPB) infestation expands, changes to British Columbia's lodgepole pine forests will affect hillslope hydrology and streamflow in many watersheds. Stream channels, water quality, aquatic habitat, public infrastructure, and private property may also be affected. Recent literature reviews have described the hydrologic effects of logging and wildfire and then interpreted the relevance of this information to MPB-related stand mortality (e.g., Stednick and Troendle 2004; Hélie et al. 2005; Uunila et al. 2006; Redding and Pike 2007). This article summarizes the key hydrologic changes expected and highlights the initial results of new research under way throughout the B.C. Interior to quantify changes in standscale hydrologic processes and the potential watershed-scale effects of MPB-related stand mortality and salvage logging. General forest planning recommendations and other sources of information are also provided.
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Updated June 04, 2008