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Ugamak Island is about 5.2 miles (8.4 km) long, and located 36 miles (58 km) east of Akutan, Alaska. The island is the easternmost of the Krenitzin Island group, in the Fox Islands of the Eastern Aleutians. The Aleut name was transcribed by Father Veniaminov in 1840 as "Ostrov Ugamak" which, according to R.H. Geoghegan, may mean "ceremony island".
The Steller sea lion population in the western Gulf of Alaska declined by 75% between 1976 and 1990. The reasons for the decline are being studied by the National Marine Fisheries Service at sites such as Ugamak Island where there is a seasonal observation station.
Many factors could have contributed to the decline of the western Steller sea lions including incidental mortality in fisheries, illegal and legal shooting, predation and diseases. There may also have been indirect effects such as climate change which would alter food abundance and distribution, or species composition leading to nutritional stress. Read more here and here. Click here to download the CoastView app and explore Ugamak Island.