Science & Data

Aerial surveys of the beluga population in Cook Inlet, Alaska, each June, July, or both from 1993 to 2012, after which biennial surveys began in 2014

This file contains counts from the Alaska Fisheries Science Center's database of non-pup (adult and juvenile) Steller sea lions in Alaska.

The northern fur seal (Callorhinus ursinus) population in the Pribilof Islands Archipelago (on St. Paul and St. George Islands, Figs. 1-3) makes up approximately 50% of the world population. Smaller breeding colonies are located on the Kuril and Commander Islands in Russia, Bogoslof Island (Fig. 4) in the southeastern Bering Sea, and San Miguel Island (Fig. 5) and the Farallon Islands off California. The rookeries at the Farallon, San Miguel and Bogoslof Islands were probably colonized in 1996 (Pyle et al. 2001), the late 1950s (DeLong 1982) and 1980 (Lloyd et al. 1981), respectively.

Aerial and ship-based surveys to count Steller sea lion (Eumetopias jubatus) adults, juveniles, and pups on land in Alaska were conducted by the National Marine Mammal Laboratory (MML) in June to July 2014.

This database contains information on individual sea lions that were marked or handled from 1985-2018

This report describes field activities and data analyses for the Aerial Surveys of Arctic Marine Mammals (ASAMM) project conducted during summer and fall (1 July – 28 October) 2013. Surveys were based in Barrow and Deadhorse, Alaska, and targeted the northeastern Chukchi and western Beaufort seas, between 68°N and 72N, 140°W and 169°W.

The Marine Mammal Laboratory (MML) conducted aerial and ship-based surveys to count Steller sea lion (Eumetopias jubatus) adults, juveniles, and pups on land in Alaska in June to July 2013.

The northern fur seal (Callorhinus ursinus) population in the Pribilof Islands Archipelago (on St. Paul and St. George Islands, Figs. 1-3) makes up approximately 50% of the world population. Smaller breeding colonies are located on the Kuril and Commander Islands in Russia, Bogoslof Island (Figs. 1 and 4) in the southeastern Bering Sea, and San Miguel Island (Fig. 5) off California. The rookeries at San Miguel and Bogoslof Islands probably originated in the late 1950s (DeLong 1982) and 1980 (Lloyd et al. 1981), respectively.

Steller sea lion survey data and memos completed in the Aleutian Islands of Alaska.

Northern fur seal pup production numbers estimated for Bogoslof Island during August 2011.