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Arboreal lichens (Bryoria and Alectoria spp.) are a critical food source for mountain caribou throughout their range (MCTAC 2002). The success of any modelling to characterize the current suitability, or future distribution and abundance of habitat for mountain caribou, must predict the distribution and abundance of arboreal lichens. However, predictive models of lichen abundance are rare (Dettki and Esseen 2003, Berryman and McCune 2006). This report presents a draft arboreal lichen abundance model and sampling plan for TFL 23. The sampling plan will direct data collection related to arboreal lichen abundance in stands with different structural characteristics. The results are intended to: ? better quantify overall lichen abundance and distribution in relation to ecosystem units and forest stand types found on TFL 23; ? identify and roughly map discontinuities in lichen abundance and distribution; ? improve the lichen submodel for the mountain caribou capability-suitability habitat models; ? better predict the effects of selective harvest and alternative silviculture practices on lichen productivity and abundance in managed forest stands; and, ? design future desired forest conditions that maximize arboreal lichens in managed stands. We recommend that Pope & Talbot seek partnership funding to expand this project to the range of mountain caribou in the Central Selkirk mountains. Potential partners could include BC Timber Sales, Meadow Creek Cedar and Spring Creek Forest Products. Other potential partners could include the Species at Risk Coordination Office and Ministry of Environment.
prepared by Steven F. Wilson and Dennis Hamilton.
Wilson, Steven F., Hamilton, Dennis. 2007. Arboreal lichen abundance model and sampling plan for TFL 23. Forest Investment Account (FIA) - Forest Science Program. Forest Investment Account Report. FIA2007MR178
Topic: FLNRORD Research Program
Keywords: Forest, Investment, Account, (FIA), Lichens, British, Columbia
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