Research Document - 2010/029
Information in support of a Recovery Potential Assessment of Channel Darter (Percina copelandi) in Ontario
By L.D. Bouvier and N.E. Mandrak
Abstract
In April 1993, the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) designated the Channel Darter (Percina copelandi) as Threatened. In May 2002, the status was re-examined and confirmed by COSEWIC and the reason given for this designation was that the species exists in low numbers where found, and its habitat is negatively impacted by siltation and fluctuations in water levels. Channel Darter was subsequently listed on Schedule 1 of the Species at Risk Act (SARA) when the Act was proclaimed in June 2003. The Recovery Potential Assessment (RPA) provides information and scientific advice needed to fulfill various requirements of SARA including permitting activities that would otherwise violate SARA prohibitions and the development of recovery strategies. This Research Document describes the current state of knowledge of the biology, ecology, distribution, population trends, habitat requirements, and threats of Channel Darter. Mitigation measures and alternative activities related to the identified threats, that can be used to protect the species, are also presented. The information contained in the RPA and this document may be used to inform the development of recovery documents and for assessing SARA Section 73 permits.
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