A two year (2002-2004) wildlife overpass study was conducted on BC Hydro's 2.5 km Salmon River Diversion canal, located 30 km northwest of Campbell River, Vancouver Island. The project investigated potential canal footprint impacts on movement and dispersal patterns of terrestrial wildlife, ranging from amphibians to ungulates. A newly constructed wildlife overpass, and an existing (>40 years) BC Hydro maintenance bridge (350 m downstream), were monitored for evidence of wildlife travel. The objectives of this study were to:
identify species which may potentially benefit from an overpass; summarize overpass design criteria from existing information sources; locate, design and construct a temporary wildlife overpass; assess wildlife utilization by monitoring for 2 years post-construction.
Materia, Joe, R.P.Bio, Forrest, Charlene, M.Sc.. 2004. Salmon River Diversion Wildlife Overpass Pilot Project Final Report. Ministry of Environment
Topic: Guidelines and Best Management Practices
Keywords: wildlife overpass, Campbell River, BC Hydro, overpass design, black-tailed deer, elk, cougar, marten, squirrel, bear, wolf, eastern cottontail, raccoon
Scientific Name: Ursus americanus, Cervus canadensis, Odocoileus hemionus, Puma concolor, Peromyscus maniculatus, Tamiasciurus hudsonicus, Canis lupus, Martes americana
English Name: Grey Wolf, Red Squirrel, Black Bear, Cougar, Marten, Elk, Deer Mouse, Mule Deer
Other Identifier: BCRP Project No. Ol.W.08
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