Microbiotic crusts are an important though often overlooked component of the biodiversity and ecology of arid and semiarid ecosystems. This study lists 51 terricolous lichens and 39 terricolous bryophytes of microbiotic crusts in British Columbia’s semiarid ponderosa pine (Pinus ponderosa) forests. The list is the first to document the terricolous lichens of these forests, and adds 14 species to previous reports of the bryophytes. This study also describes successional patterns, following grazing disturbance, of invasive nonnative vascular plants, 3 native grasses, and 3 microbiotic crust species. An understanding of successional patterns is essential for managing the biodiversity of British Columbia’s ponderosa pine forests, one of the most restricted ecosystems in the province.
Williston, Patrick. 1999. Floristics and Distribution Patterns of Lichens and Bryophytes in Microbiotic Crusts of British Columbia's Ponderosa Pine Forests (in Proc. Conference Biology & Management of Species and Habitats at Risk). Ministry of Environment, Lands and Parks. Conference Biology & ManagementProceedings. Vol. 2
Topic: Species and Ecosystems at Risk
Keywords: bryophyte, lichen, microbiotic crust, Pinus ponderosa, ponderosa pine
Other Identifier: University College of the Cariboo
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