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State of Environment Reporting
Has
the Range of the Columbian Sharp-Tailed Grouse
Changed?
Population
Status of Columbia Sharp-Tailed Grouse


SOURCE:
BC Ministry of Water, Land and Air Protection 2001. The delineations
represent ecosections, as described in Ecoregions of British Columbia,
D. Demarchi, 1993.
Has
the range of Columbian Sharp-tailed Grouse
changed?
- Columbian
Sharp-tailed Grouse retained their provincial
status as a species of Special Concern
in 2002. These birds have disappeared
over much of their range in northwestern
North America, and this pattern is continuing
in southern British Columbia. The grasslands
and clearcuts/sedge meadows of south-central
British Columbia appear to be the last
remaining habitats occupied by this very
sensitive species.
- The distribution
of this subspecies in British Columbia has contracted markedly
over the past 100 years, and as much as 70% of the population
may have been lost.
- Based
on an evaluation of provincial ecosections,
Columbian Sharp-tailed Grouse are stable
in 59%, declining in 19% and extirpated
in 22% of their historical range in British
Columbia.
- Urban
and agricultural development, and forest
encroachment from fire suppression are
major threats to Columbian Sharp-tailed
Grouse and their habitat.
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