Over the last two decades, domoic acid poisoning has been responsible for the strandings and deaths of thousands of pinnipeds along US shores--elephant seals, harbor seals, Guadalupe and northern fur seals
As of Friday, the Marine Mammal Center near Sausalito had taken in 85 northern fur seals
, which live out in the Pacific Ocean's waters and islands and would only rarely be found on shore, the Santa Rosa Press Democrat reported Saturday.
animals Sex Facility location * M, F, Pacific coast, Species, age group, n=780J n = 643 n = 1,198 and residential ([double ([section]) ([paragraph]) status dagger]) Animal (species) California sea 365 301 662 lion (Zalophus californianus) Stellar sea lion 15 19 25 (Eumetopias jubatus) Northern fur seal
26 15 38 (Callorhinus ursinus) Northern elephant 101 72 173 seal (Mirounga angustirostris) Ribbon seal 1 0 1 (Histriophoca fasciata) Hooded seal 3 1 0 (Cystophora cristata) Gray seal 45 18 0 (Halichoerus grypus) Harp seal (Phoca 17 18 0 groenlandica) Harbor seal 198 191 290 (P.
During the 1890s, an international controversy was developing over methods of harvesting northern fur seals
The diet of transient killer whales in spring was primarily gray whales (Eschrichtius robustus), and in summer primarily northern fur seals
These later surveys focused on the restoration of northern fur seal
and sea otter stocks and management of cetacean and phocid harvests.
More than a million northern fur seals
set up breeding grounds each summer on its shores.
These results demonstrate that the inclusion of multiple sampling methods allows for a more accurate assessment of northern fur seal
prey occurrence and prey age and size.
It includes, among others, modeling of multispecies groundfish interactions in the eastern Bering Sea, sperm whale and longline fisheries interactions in the Gulf of Alaska; and seasonal foraging strategies and consequences for Northern fur seals
at colonies with opposite population trends.
In this book he describes a 19-year study of the northern fur seal
, a heavily managed species, that was aimed at addressing very specific behavioral questions about a nearly 40-year decline in fur seal pup production.
At the time of purchase, the United States inherited a very rich and developed northern fur seal
, Callorhinus ursinus, industry-a resource that had provided the chief source of revenue to the Russian-American Company in Alaska, but the annual yield of which was already showing signs of serious depletion due to excessive kill.