Burek KA, Gulland FMD, Sheffield G, Keyes E, Spraker TR, Smith AW, Skilling DE, Evermann J, Stott JL, Trites AW (2003) Disease agents in Steller sea lions in Alaska: A review and analysis of serology data from 1975-2000. Fisheries Centre Research Reports Volume 11 Number 4. 26 pages.

Gerber JA, Roletto J, Morgan LE, Smith DM, Gage LJ (1993) Findings in pinnipeds stranded along the central and northern California coast, 1984-1990. Journal of Wildlife Diseases 29:423-433.

Goldstein T, Johnson SP, Phillips AV, Hanni KD, Fauquier DA, Gulland FMD (1999) Human-related injuries observed in live stranded pinnipeds along the central California coast 1986-1998. Aquatic Mammals 25:43-51.

Hood WR, Ono KA (1997) Variation in maternal attendance patterns and pup behavior in a declining population of Steller sea lions (Eumetopias jubatus). Canadian Journal of Zoology 75:1241-1246.

Lander ME, Gulland FMD (2003) Rehabilitation and post-release monitoring of Steller sea lion pups raised in captivity. Wildlife Society Bulletin 31:1047-1053.

Marine Mammal Commission (2003) Annual Report to Congress 2002. Marine Mammal Commission, Bethesda, Maryland. http://www.mmc.gov/reports/annual/pdf/2002annualreport.pdf

National Marine Fisheries Service (2000b) Biological Opinion on Authorization to take Listed Marine Mammals Incidental to Commercial Fishing Operations under Section 101(a)(5)(E) of the Marine Mammal Protection Act for the California/Oregon Drift Gillnet Fishery. Section 7 Consultation, Marine Mammal Division.

Westlake RL, Perryman WL, Ono KA (1997) Comparison of vertical aerial photographic and ground censuses of Steller sea lions at Año Nuevo Island, July 1990-1993. Marine Mammal Science 13:207-218.

Monterey Bay National Marine Sanctuary, SIMoN, Long-term Monitoring Projects:

NOAA, National Marine Fisheries Service, Alaska Regional Office, Steller Sea Lion Management and Research. http://stellersealions.noaa.gov/

NOAA, National Marine Mammal Laboratory, Education Web Site. http://nmml.afsc.noaa.gov/education/default.htm

NOAA, National Marine Mammal Laboratory, Steller Sea Lion (Eumetopias jubatus) pages. http://nmml.afsc.noaa.gov/species/species_steller.htm

NOAA, National Marine Mammal Laboratory, Steller Sea Lion Research. http://nmml.afsc.noaa.gov/AlaskaEcosystems/sslhome/stellerhome.html

Point Reyes National Seashore, Current Research in Bay Area National Parks, Pinniped Monitoring. http://www.nps.gov/pore/science_current_resmgt.htm#pinniped

The Marine Mammal Center, Education, Marine Mammal Information, Steller or Northern sea lion. http://www.marinemammalcenter.org/learning/education/pinnipeds/stellarsea.asp

The Marine Mammal Center, Research, Tracking Studies, Satellite Tracking of Steller Sea Lion Artemis. http://www.tmmc.org/what_we_do/release/studies/artemis.asp

Figure 2. The location of rookeries and at-sea sightings of Steller sea lions (Eumetopias jubatus) in the Monterey Bay, Gulf of the Farallones, and Cordell Bank Marine Sanctuaries. At sea sightings are based on data from seven survey programs conducted in 1980-2001.⁶
Download full-size figures (200 KB PDF).

Figure 3. Counts of adult and juvenile Steller sea lions at rookery and haul-out trend sites throughout the range of the eastern U. S. stock, 1982-2002.¹²
Download full-size figures (200 KB PDF).

Figure 4. Abundance of pup and non-pup Steller sea lions at Año Nuevo Island, 1990-2004, based on counts in July. Both pup and non-pup population sizes declined over the survey period.¹⁵
Download full-size figures (200 KB PDF).

NOAA, National Marine Mammal Laboratory, Steller Sea Lion Photo Gallery. http://nmml.afsc.noaa.gov/AlaskaEcosystems/sslhome/SSLGallery/Gallery.html