2009 Aerial Survey of Steller Sea Lions in Alaska and Update on the Status of the Western Stock in Alaska

April 26, 2009

An aerial survey to assess Steller sea lion (Eumetopias jubatus) pup production in Alaska was conducted by the Alaska Fisheries Science Center (AFSC) from 24 June to 15 July 2009. A secondary objective was to survey adult and juvenile (non-pup) sea lions in southeast Alaska (part of the threatened eastern stock, or distinct population segment, DPS), and in the eastern and central Gulf of Alaska areas (part of the endangered western DPS) to further investigate seasonal movement of sea lions and ascertain its impact on determination of stock trends.