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Dispersal and colonization of fragments of arboreal lichens (Alectoria spp., Bryoria spp., and Usnea spp.) in selected second-growth stands on Vancouver Island, BC, were studied. Numbers of lichens on twigs in plots adjacent to mature timber with high lichen abundance declined from high values at 100-150 m from the stand edge and levelled off at 300-400 m. Plots adjacent to mature timber with medium or low lichen levels were low in numbers of lichen fragments regardless of distance to the mature timber. Of the genera studied, Byoria appeared to be the most effective disperser. Usnea was rare in second growth and can be discounted in planning for forage production.
Stevenson, Susan K.. 1988. Dispersal and Colonization of Arboreal Forage Lichens in Young Forests. Ministry of Environment. Wildlife Bulletin. B59
Keywords: Vancouver Island, lichen, Alectoria, Bryoria, Usnea, forage
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Other Identifier: Ministry of Forests
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