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Counts of Alaska Steller Sea Lion Pups Conducted on Rookeries in Alaska From 1961–2015

September 13, 2018

This database contains counts of Steller sea lion pups on rookeries in Alaska made between June 22, 1961 and July 18, 2015. Pup counts are conducted in late June to July. Pups are counted from the ground (by walking along the rookery), from cliff-side overlooks, and from aerial images (oblique and vertical orientation). Pup counts conducted in late June to mid-July are considered to represent a complete census of pups produced at each site during the year.

Data may be searched and downloaded using online services provided by NCEI using the online resource URLs in this record. Contact NCEI Information Services for custom orders. When requesting data from NCEI, the desired data set may be referred to by the unique package identification number listed in this metadata record.

Last updated by Alaska Fisheries Science Center on 11/30/2020

Steller Sea Lion Steller Sea Lion Research