Science & Data

Join Alaska Fisheries Science Center staff as they survey and photograph Steller sea lions in Alaska aboard a NOAA Twin Otter aircraft.

Join Alaska Fisheries Science Center staff as they survey and photograph Steller sea lions in Alaska aboard a NOAA Twin Otter aircraft.

Join Alaska Fisheries Science Center staff as they survey and photograph Steller sea lions in Alaska aboard a NOAA Twin Otter aircraft.

Join Alaska Fisheries Science Center staff as they survey and photograph Steller sea lions in Alaska aboard a NOAA Twin Otter aircraft.

Join Alaska Fisheries Science Center staff as they survey and photograph Steller sea lions in Alaska aboard a NOAA Twin Otter aircraft.

This Arctic survey of marine mammals in the Beaufort and Chukchi seas has been conducted every year off the northern and western coasts of Alaska since 1979. A long-term dataset like this is extraordinary because it is both unusual and important. Exact survey dates and boundaries have varied over time, but the study goals, general survey area, and survey methods have stayed remarkably similar. ASAMM is co-managed and conducted by the NOAA Fisheries Alaska Fisheries Science Center, and funded and co-managed by the Bureau of Ocean Energy Management.

This Arctic survey of marine mammals in the Beaufort and Chukchi seas has been conducted every year off the northern and western coasts of Alaska since 1979. A long-term dataset like this is extraordinary because it is both unusual and important. Exact survey dates and boundaries have varied over time, but the study goals, general survey area, and survey methods have stayed remarkably similar. ASAMM is co-managed and conducted by the NOAA Fisheries Alaska Fisheries Science Center, and funded and co-managed by the Bureau of Ocean Energy Management.

This research survey focuses on Steller sea lions every summer when mothers come on shore to rear newborn pups. Researchers take this opportunity to count how many are onshore and thus giving us an idea of just how many Steller sea lions there are in the Alaskan Aleutian Island chain.

This research survey focuses on Steller sea lions every summer when mothers come on shore to rear newborn pups. Researchers take this opportunity to count how many are onshore and thus giving us an idea of just how many Steller sea lions there are in the Alaskan Aleutian Island chain.

Survey to attempt to discover why Steller sea lion numbers have been declining.