Diet diversity of Steller sea lions (Eumetopias jubatus) and their population decline in Alaska: a potential relationship

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Authors: Merrick, Richard L, Chumbley, M Kathryn, Byrd, G Vernon
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1997
• Subjects: Atka; Gulf of Alaska; Pacific; Theragra chalcogramma; Alaska; Aleutian Islands
• Online Access: http://dx.doi.org/10.1139/f97-037; http://www.nrcresearchpress.com/doi/pdf/10.1139/f97-037

We examined the diet of Steller sea lions (Eumetopias jubatus) during June-August 1990-1993 from six areas in the Aleutian Islands and Gulf of Alaska and related these diets to sea lion population changes that occurred during the period. Seven general prey categories were identified, but either wall...