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Open Access Publications from the University of California

Comprehensive Monitoring of Wildlife Mortality on British Columbia Highways Using the WARS System (1978 to 2005)

  • Author(s): Sielecki, Leonard E.
  • et al.

The British Columbia Ministry of Transportation (BCMoT) has been operating its Wildlife Accident Reporting System (WARS) for almost three decades. Detailed information on motor vehicle-related wildlife mortality is systematically collected on a daily basis on major highways throughout British Columbia. Since its inception, WARS has become an increasingly valuable tool for highway planning and operational purposes. With WARS, BCMoT is able to support the British Columbia Government’s commitment to environmental stewardship by: • quantifying the magnitude of motor vehicle-related wildlife mortality; • identifying mortality-prone locations and mortality trends; • modeling species-specific risk profiles for highway corridors; • developing wildlife mortality mitigation initiatives; • focusing mitigation efforts to mortality-prone locations; • monitoring the effectiveness of mitigation initiatives; and • establishing corporate and operational policies and strategies for accident issues and mitigation initiatives. BCMoT highway planners and wildlife biologists use WARS to protect wildlife, by identifying population clusters and migration routes prone to highway-related mortality, and designing exclusion fencing and crossing structures to meet the needs of the species impacted. WARS provides a rare opportunity to examine the impact of an extensive highway network transecting wildlife habitat distributed over a large geographic area with diverse climatic and physiographic characteristics. The WARS database contains information on the major ungulates and carnivores found in British Columbia that cannot be extracted from any other data sources.

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