Identification of habitats of special importance to resident killer whales (Orcinus orca) off the west coast of Canada . : Fs70-6/2017-011E-PDF

"In 2001, the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) listed Southern Resident Killer Whales (SRKWs) as Endangered and Northern Resident Killer Whales (NRKWs) as Threatened due to their small population sizes, low reproductive rates, recent unexplained declines in numbers, and the existence of a variety of anthropogenic threats (COSEWIC 2001). These listings became law under Schedule 1 of the Canadian Species at Risk Act (SARA) in 2003. The status of the SRKW and NRKW populations in Canada was reaffirmed by COSEWIC in 2008. A Recovery Strategy for Resident Killer Whales was published in 2011, with a goal to “ensure the long-term viability of Resident Killer Whale populations by achieving and maintaining demographic conditions that preserve their reproductive potential, genetic variation, and cultural continuity”. The Recovery Strategy included partial identification of critical habitat and a schedule of studies to identify further areas that would be considered essential for the recovery of both SRKWs and NRKWs. The DFO Species at Risk Program has requested that DFO Science undertake an assessment of important habitats for SRKWs and NRKWs. Advice based on this assessment will be considered (by the relevant recovery teams and Species at Risk Program at DFO) in the identification of additional critical habitat for the action plans for these populations"--Context, p. [1].

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