The killer whale consumes the Steller sea lion
and receives energy.
The western distinct population segment (WDPS) of the Steller sea lion
(Eumetopias jubatus) (west of 144[degrees]W) has declined to approximately 20% of the levels encountered before 1975 (National Research Council, 2003), and declines were at or above 5% per year in some areas.
In 2010, for example, we observed wolves in western Glacier Bay scavenging a humpback whale carcass over several months, as well as members of a wolf pack scavenging the remains of a male Steller sea lion
on Lester Island.
It wasn't until the parasite started killing other species, including endangered Hawaiian monk seals and a Steller sea lion
, that Grigg and other parasitologists were called in.
16' W) during a Steller Sea Lion
(Eumetopias jubatus) survey.
The Council did not designate a closure around the walrus haulout at Cape Newenham, but this site is also used as a haulout by Steller sea lions
, Eumetopias jubatus, and is encircled by a 37 km (20 nmi) radius Steller sea lion
closure that prohibits directed fishing for walleye pollock, Theragra chalcogramma, or Pacific cod, Gadus macrocephalus, using trawl, hook-and-line, and pot gear (Fig.
Steller sea lion
(Eumetopias jubatus), northern fur seal (Callorhinus ursinus), and most recently, harbor seal (Phoca vitulina) populations have all decreased (4-6).
National Marine Fisheries Services interpreted the agency regulation of an endangered species, the Steller sea lion
On July 13, 1999, January 25, 2000, and July 19, 2000, the Federal District Court of Western Washington held that the National Marine Fisheries Service ("NMFS") failed to comply with its obligations under the Endangered Species Act ("ESA") and the National Environmental Policy Act ("NEPA") concerning two Alaskan groundfish fisheries ("Alaskan Fisheries") and their interactions with the Steller sea lion
One day in October the staff are sitting at their indigo iMacs, busily putting the finishing touches on a newspaper ad aimed at readers in Alaska, to counter criticism of environmentalists following a successful lawsuit that restricts fishing in Steller sea lion
habitat (see "Sea of Uncertainty," page 48).
The debate has come to focus on the endangered Steller sea lion
as an indicator species.