Evaluation of the main hypotheses proposed for the causes of decline and failure to recover of the western Steller sea lion population depends on understanding how food web linkages affect sea lions.

PINNIPED PREDATION OF chinook has been a topic of heated anecdotal discussion and debate for decades. With chinook stocks diminished and recreational fisheries constrained by low runs, a recently ...

There are three extant families of pinnipeds—the otariids (sea lions and fur seals), phocids (true seals), and odobenids (walruses). Steller sea lions are members of the Otariidae family. The otariids ...