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DWB Forestry Services Ltd. was retained by Canadian Forest Products Ltd ? Vanderhoof Division to implement and assess proposed management strategies for riparian indicator species, and species indicators. Six sites were established in four different retention levels (harvested, partial, 10-meter reserve, and unharvested) along small wetlands within the Vanderhoof Defined Forest Area. We found that of the proposed indicator species (mink, longtailed weasel, beaver, moose, and eastern kingbird and guilds), moose and long-tailed weasel were the most abundant and suitable species for analysis. At the sample sites, habitat was poorly suited for mink and beaver due to a lack large of streams or waterbodies, resulting in no detections of these species. Among the 4 retention levels, no statistically significant difference was found for any of the proposed indicator species. Overall bird detection was greatest in partial retention areas, and overall mammal detection was greatest in 10-meter reserves. Ribes and Salix abundance was found to be the most suitable species indicator measurement, and was strongly positively correlated to overall bird, and combined overall bird and mammal abundance. The only species indicators that showed significant differences between retention type were mean basal area, woody debris volume, and forest edge length. The power of data analysis was limited by the study?s small sample size, and lack of detection of certain species.
We recommend altering several aspects of the study, increasing the sample size, and repeating the study for a second season to increase the power of analysis and reduce sampling bias.
DWB Forestry Services Ltd., Hooft, Jason; Blackburn, Greg; Hoekstra, Kevin. 2008. Riparian Sensitive Species Monitoring and Management Strategies in the Vanderhoof Forest District. Forest Investment Account (FIA) - Forest Science Program. Forest Investment Account Report. FIA2008MR383
Topic: FLNRORD Research Program
Keywords: Forest, Investment, Account, (FIA), British, Columbia
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