Anthropogenic causes of the western Steller sea lion Eumetopias jubatus population decline and their threat to recovery

Mammal Review

Volumn 38, Issue 1, 2008, Pages 1-18

  Atkinson, Shannon ^a,b   Demaster, Douglas P ^c   Calkins, Donald G ^b  

^a UNIVERSITY OF ALASKA FAIRBANKS   (United States)

^b ALASKA SEALIFE CENTER   (United States)

^c ALASKA FISHERIES SCIENCE CENTER   (United States)

Author keywords

Alaska; Competition; Contaminants; Decline; Endangered species; Fisheries by catch; Nutritional stress; Recovery

Indexed keywords

ANTHROPOGENIC EFFECT; BYCATCH; ENDANGERED SPECIES; HUNTING; MORTALITY; PINNIPED; POPULATION DECLINE;

ALASKA; NORTH AMERICA; UNITED STATES;

EUMETOPIAS JUBATUS;

EID: 41149160162     PISSN: 03051838     EISSN: 13652907     Source Type: Journal    
DOI: 10.1111/j.1365-2907.2008.00128.x     Document Type: Review

References (74)

1. Alverson, D.L. (1992) A review of commercial fisheries and the Steller sea lion (Eumetopias jubatus): The conflict arena. Reviews in Aquatic Sciences, 6, 203-256.
2. Angliss, R.P. & Outlaw, R.B. (2006) Alaska marine mammal stock assessment report. NOAA Technical Memorandum NMFS-AFSC-161.
3. Angliss, R.P., DeMaster, D.P. & Lopez, A.L. (2001) Alaska marine mammal stock assessments, 2001. NOAA Technical Memorandums NMFS-AFSC-124.
4. Atkinson, S., Calkins, D., Burkanov, V., Castellini, M., Hennen, D. & Inglis, S. (2008) Impact of changing diet regimes on Steller sea lion body condition. Marine Mammal Science (in press).
5. Baker, A.R., Loughlin, T.R., Burkanov, V., Matson, C.W., Trujillo, J.K., Calkins, D.G., Wickliffe, J.K. & Bickham, J.W. (2005) Variation of mitochondrial control region sequences of Steller sea lion: The three stock hypothesis. Journal of Mammalogy, 86, 1075-1084.
6. Bando, M. (2002) Comparing the nutritional quality of Steller sea lion (Eumetopias jubatus) diets. MS Thesis. University of Alaska Fairbanks, Fairbanks, AK, USA.
7. Barron, M.G., Heintz, R. & Krahn, M.M. (2003) Contaminant exposure and effects in pinnipeds: Implications for Steller sea lion declines in Alaska. The Science of the Total Environment, 311, 111-133.
8. Bickham, J.W., Patton, J.C. & Loughlin, T.L. (1996) High variability for control-region sequences in a marine mammal: Implications for conservation and biogeography of Steller sea lions (Eumetopias jubatus). Journal of Mammalogy, 77, 95-108.
9. Braham, H.W., Everitt, R.D. & Rugh, D.J. (1980) Northern sea lion decline in the eastern Aleutian Islands. Journal of Wildlife Management, 44, 25-33.
10. Calkins, D. & Goodwin, E. (1988) Investigation of the Declining Sea Lion Population in the Gulf of Alaska. Alaska Department of Fish and Game, Anchorage, AK, USA.
11. Calkins, D.G. & Pitcher, K.W. (1982) Population assessment, ecology and trophic relationships of Steller sea lions in the Gulf of Alaska. Final Report Outer Continental Shelf Environmental Assessment Program, 129pp.
12. Castellini, M.A., Davis, R.W., Loughlin, T.R. & Williams, T.M. (1993) Blood chemistries and body condition of Steller sea lion pups at Marmot Island Alaska. Marine Mammal Science, 9, 202-208.
13. Craig, M.P. & Ragen, T.J. (1999) Body size, survival, and decline of juvenile Hawaiian monk seals, (Monachus schauinslandi). Marine Mammal Science, 15, 462-477.
14. DeLong, R.L., Gilmartin, W.G. & Simpson, J.G. (1973) Premature births in California sea lions: Associated with high organochloride pollutant residue levels. Science, 181, 1168-1170.
15. DeMaster, D.P., Angliss, R., Cochrane, J., Mace, P., Merrick, R., Miller, M., Rumsey, S., Taylor, B., Thompson, G. & Waples, R. (2004) Recommendations to NOAA fisheries: ESA listing criteria by the Quantitative Working Group, 10 June 2004. U.S. Dep. Commerce, NOAA Technical Memorandum NMFS-F/SPO-67.
16. DeMaster, D.P., Trites, A.W., Clapham, P., Mizroch, S., Wade, P., Small, R.J. & Hoef, J.V. (2006) The sequential megafaunal collapse hypothesis: Testing with existing data. Progress in Oceanography, 68, 329-342.
17. Dillingham, P.W., Skalski, J.R. & Ryding, K.E. (2006) Fine-scale geographic interactions between Steller sea lion (Eumetopias jubatus) trends and local fisheries. Canadian Journal of Fisheries and Aquatic Sciences, 63, 107-119.
18. Fritz, L.W. & Ferrero, R.C. (2002) Steller sea lion research coordination: A brief history and summary of recent progress. U.S. Dep Comm, NOAA Technical Memorandum NMFS-AFSC-129.
19. Fritz, L.W. & Hinckley, S. (2005) A critical review of the regime shift - 'junk food' - nutritional stress hypothesis for the decline of the western stock of Steller sea lion. Marine Mammal Science, 21, 476-518.
20. Gilmartin, W.G., DeLong, R.L., Smith, A.W., Sweeney, J.C., DeLappe, B.W., Risenbrough, R.W., Griner, L.A., Dailey, M.D. & Peakall, D.B. (1976) Premature parturition in the California sea lion. Journal of Wildlife Diseases, 12, 104-115.
21. Helle, E., Osson, M. & Jensen, S. (1976) PCB levels correlated with pathological changes in seal uteri. Ambio, 5, 261-263.
22. Hennen, D. (2006) Associations between the Alaska Steller sea lion decline and commercial fisheries. Ecological Applications, 16, 704-717.
23. Holmes, E.E. & York, A.E. (2003) Using age structure to detect impacts on threatened populations: A case study with Steller sea lions. Conservation Biology, 17, 174-1806.
24. Holmes, E.E., Fritz, L.W., York, A.E. & Sweeney, K. (2007) Fecundity declines in Steller sea lion birth rate in the Gulf of Alaska suggests new conservation and research priorities. Ecological Applications (in press).
25. Hoshino, H., Fujita, S., Goto, Y., Isono, T., Ishinazaka, T., Burkanov, V.N. & Sakurai, Y. (2006) Organochlorines in Steller sea lions (Eumetopias jubatus) from the western North Pacific. In Sea Lions of the World. Alaska Sea Grant College Program (Ed. by A.W. Trites, S.K. Atkinson, D.P. DeMaster, L.W. Fritz, T.S. Gelatt, L.D. Rea & K.M. Wynne), pp. 1-11. Alaska Sea Grant College Program, Fairbanks, Alaska, USA.
26. Hutchinson, J.D. & Simmonds, M.P. (1994) Organochlorine contamination in pinnipeds. Reviews of Environmental Contamination and Toxicology, 136, 123-167.
27. Kannan, K., Blankenship, A.L., Jones, P.D. & Giesy, J.P. (2000) Toxicity reference values for the toxic effects of polychlorinated biphenyls to aquatic mammals. Human and Ecological Risk Assessment, 6, 181-121.
28. Laughlin, W.S. (1980) Aleuts: Survivors of the Bering Land Bridge. Holt, Rinehart and Winston, New York, USA.
29. Lee, J.S., Tanabe, S., Umino, H., Tatsukawa, R., Loughlin, T.R. & Calkins, D.G. (1996) Persistent organochlorines in Steller sea lion (Eumetopias jubatus) from the bulk of Alaska and the Bering Sea, 1976-81. Marine Pollution Bulletin, 32, 535-544.
30. Loughlin, T.R. & Merrick, R.L. (1988) Comparison of commercial harvest of walleye pollock and northern sea lion abundance in the Bering Sea and Gulf of Alaska. In Proceedings of the International Symposium on Biology and Management of Walleye Pollock. Anchorage Alaska (Ed. by B. Melteff), pp. 679-700. Alaska Sea Grant College Program, University of Alaska, Fairbanks, Alaska, USA.
31. Loughlin, T.R. & Nelson, R., Jr (1986) Incidental mortality of northern sea lions in Shelikof Strait, Alaska. Marine Mammal Science, 2, 14-33.
32. Loughlin, T.R. & York, A.E. (2000) An accounting of sources of Steller sea lion, (Eumetopias jubatus), mortality. Marine Fisheries Review, 62, 40-45.
33. Loughlin, T.R., Rugh, D.J. & Fiscus, C.H. (1984) Northern sea lion distribution and abundance: 1956-80. Journal of Wildlife Management, 48, 729-740.
34. Mathisen, O.A. (1959) Studies on Steller sea lions (Eumetopias jubatus) in Alaska. Transactions of the North American Wildlife Conference, 24, 346-356.
35. Matkin, C.O. & Fay, F.H. (1980) Marine mammal-fishery interactions on the Copper River and in Prince William Sound, Alaska, 1978. Final Report for contract MMC-78/07 to U.S. Marine Mammal Commission.
36. Merrick, R.L., Loughlin, T.R. & Calkins, D.G. (1987) Decline in abundance of the northern sea lion, Eumetopias jubatus, in Alaska, 1956-86. Fishery Bulletin, 85, 351-365.
37. Merrick, R.L., Chumbley, M.K. & Byrd, G.V. (1997) Diet diversity of Steller sea lions (Eumetopias jubatus) and their population decline in Alaska: A potential relationship. Canadian Journal of Fisheries and Aquatic Sciences, 54, 1342-1348.
38. Myers, M.J., Ylitalo, G.M., Krahn, M.M., Boyd, D., Calkins, D., Burkanov, V. & Atkinson, S. (2008) Organochlorine contaminants in endangered Steller sea lion pups (Eumetopias jubatus) from western Alaska and the Russian far east. Science of the Total Environment (in press).
39. National Research Council (NRC) (2003) Decline of the Steller Sea Lion in Alaskan Waters: Untangling Food Webs and Fishing Nets. National Academy of Sciences Press, Washington, DC, USA.
40. NMFS (1992) Recovery Plan for the Steller Sea Lion (Eumetopias jubatus). NMFS. National Marine Fisheries Service, Silver Spring, MD, USA.
41. NMFS (2000) Endangered Species Act, Section 7 Consultation Biological Opinion and Incidental Take Statement on the Authorization of the Bering Sea/Aleutian Islands and Gulf of Alaska Groundfish Fishery Management Plans. NMFS Alaska Region, Protected Resources Division, Juneau, AK, USA.
42. NMFS (2006a) Draft Revised FMP Biological Opinion Endangered Species Act Section 7 Consultation Biological Opinion and Incidental Take Statement on the Authorization of the Bering Sea/Aleutian Islands and Gulf of Alaska Groundfish Fishery Management Plans. NMFS Alaska Region, Protected Resources Division, Juneau, AK, USA.
43. NMFS (2006b) Draft Recovery Plan for the Steller Sea Lion (Eumetopias jubatus). National Marine Fisheries Service, Silver Spring, MD.
44. NMFS (2006c) Draft Steller Sea Lion/National Fisheries Service Environmental Impact Statement. National Marine Fisheries Service, Silver Spring, MD, USA.
45. NMFS (2007) Draft Revised Steller sea lion Recovery Plan. National Marine Fisheries Service, Silver Spring, MD, USA.
46. Perez, M.A. & Loughlin, T.R. (1991) Incidental catch of marine mammals by foreign-directed and joint-venture trawl vessels in the U.S. EEZ of the North Pacific, 1973-88. NOAA Technical Report 104.
47. Pitcher, K.W., Olesiuk, P.F., Brown, R.F., Lowry, M.S., Jeffries, S.J., Sease, J.L., Perryman, W.L., Stinchcomb, C.E. & Lowry, L.F. (2007) Status and trends in abundance and distribution of the eastern population of Steller sea lion (Eumetopias jubatus). Marine Mammal Science (in press).
48. Plaganyi, E.E. & Butterworth, D.S. (2002) Competition with fisheries. In Encyclopedia of Marine Mammals (Ed. by W.F. Perrin, B. Wursig & J.G.M. Thewissen), p. 268. Acedemic Press, San Diego, CA, USA. ISBN 0-12-551340-2
49. Ponce, R.A., Egeland, G.M., Middaugh, J.P. & Becker, P.R. (1997) Twenty years of trace metal analyses of marine mammals: Evaluation and summation of data from Alaska and other arctic regions. State of Alaska Epidemiology Bulletin, Department of Health Social services 1 (3): P. 15.
50. Rea, L.D., Castellini, M.A., Fadely, B.S. & Loughlin, T.R. (1998) Health status of young Alaska Steller sea lion pups (Eumetopias jubatus) as indicated by blood chemistry and hematology. Comparative Biochemistry and Physiology Part A, 120, 617-623.
51. Rea, L.D., Rosen, D.A.S. & Trites, A.W. (2000) Metabolic response to fasting in 6-week old Steller sea lion pups, Eumetopias jubatus. Canadian Journal of Zoology, 78, 590-894.
52. Reijnders, P.J.H. (1986) Reproductive failure in common seals from feeding on fish from polluted coastal waters. Nature, 324, 456-457.
53. Rosen, D.A.S. & Trites, A.W. (2000) Pollock and the decline of Steller sea lions: Testing the junk food hypothesis. Canadian Journal of Zoology, 78, 1243-1258.
54. Ross, P.S., DeSwart, R.L., Reijnders, P.J.H., vanLovern, H., Vos, J.G. & Osterhaus, A.D.M.E. (1995) Contaminant-related suppression of delayed-type hypersensitivity and antibody responses in harbor seals fed herring from the Baltic Sea. Environmental Health Perspectives, 103, 162-167.
55. Sinclair, E.H. & Zepplin, T.K. (2002) Seasonal and spatial differences in diet in the western stock of Steller sea lions (Eumetopias jubatus). Journal of Mammalogy, 83, 973-990.
56. Soto, K.H., Trites, A.W. & Arias-Schreiber, M. (2006) Changes in diet and maternal attendance of South American sea lions indicate changes in the marine environment and the abundance of prey. Marine Ecology Progress Series, 312, 277-290.
57. Thomas, G.L. & Thorne, R.E. (2001) Night-time predation by Steller sea lions. Nature, 411, 1013.
58. Thorsteinson, F.V. & Lensink, C.J. (1962) Biological observations of Steller sea lions taken in an experimental harvest. Journal of Wildlife Management, 26, 353-363.
59. Trillmich, F. & Limberger, D. (1985) Drastic effects of El Nino on Galapagos pinnipeds. Oecologia, 67, 19-22.
60. Trites, A.W. & Donnelly, C.P. (2003) The decline of Steller sea lions in Alaska: A review of the nutritional stress hypothesis. Mammal Review, 33, 3-28.
61. Trites, A.W. & Larkin, P.A. (1992) The Status of the Steller Sea Lion Populations and the Development of Fisheries in the Gulf of Alaska and the Aleutian Islands. Report to the Pacific States Marine Fisheries Commission, Univ. Brit. Col., Fish. Cent. Rep., 133p. Univ Brit Col, Vancouver, BC.
62. Trites, A.W., Calkins, D.G. & Winship, A.J. (2007a) Diets of Steller sea lions (Eumetopias jubatus) in Southeast Alaska from 1993 to 1999. Fishery Bulletin, 105, 234-248.
63. Trites, A.W., Miller, A.J., Maschner, H.D.G., Alexander, M.A., Bograd, S.J., Calder, J.A., Capotondi, A., Coyle, K.O., Lorenzo, E.D., Finney, B.P., Gregr, E.J., Grosch, C.E., Hare, S.R., Hunt, G.L., Jahncke, J., Kachel, N.B., Kim, H.J., Ladd, C., Mantua, N.J., Marzban, C., Maslowski, W., Mendelssohn, R., Neilson, D.J., Okkonen, S.R., Overland, J.E., Reedy-Maschner, K.L., Royer, T.C., Schwing, F.B., Wang, J.X.L. & Winship, A.J. (2007b) Bottom-up forcing and the decline of Steller sea lions (Eumetopias jubatus) in Alaska: Assessing the ocean climate hypothesis. Fisheries Oceanography, 16, 46-67.
64. Trumble, S.J., Barboza, P.S. & Castellini, M.A. (2003) Digestive constraints on an aquatic carnivore: Effects of feeding frequency and prey composition on harbor seals. Journal of Comparative Physiology B, 173, 501-509.
65. Wade, P.R. (1998) Calculating limits to the allowable human-caused mortality of cetaceans and pinnipeds. Marine Mammal Science, 14 (1), 1-37.
66. Waite, J.N. & Burkanov, V.N. (2006) Steller sea lion feeding habits in the Russian far east, 2000-03. In Sea Lions of the World (Ed. by A.W. Trites, S.K. Atkinson, D.P. DeMaster, L.W. Fritz, T.S. Gelatt, L.D. Rea & K.M. Wynne), pp. 223-234. Alaska Sea Grant College Program, University of Alaska, Fairbanks, AK, USA.
67. Wang, D., Atkinson, S., Hoover-Miller, A., Shelver, W.L. & Li, Q.X. (2008) Application of GC/ECD-ion trap MS for the simultaneous analysis of polybrominated diphenyl ethers in biological and environmental samples. Environmental Science and Technology, in press.
68. Willcox, M.K., Woodward, L.A., Ylitalo, G.M., Buzitis, J., Atkinson, S. & Li, Q.X. (2004) Survey for organochlorines in the free-ranging Hawaiian monk seal (Monachus schauinslandi) at French Frigate Shoals, North Pacific Ocean. The Science of the Total Environment, 322, 81-93.
69. Winship, A.J. & Trites, A.W. (2003) Prey consumption of Steller sea lions (Eumetopias jubatus) off Alaska: How much prey do they require? Fishery Bulletin, 101, 147-167.
70. de Wit, C., Fisk, A., Hobbs, K., Muir, D., Barielsen, G., Kallenborn, R., Krahn, M.M., Norstrom, R. & Skaare, J. (2004) AMAP Assessment 2002: Persistent Organic Pollutants in the Arctic. Arctic Monitoring and Assessment Program, Oslo, Norway.
71. Wolf, N., Melbourne, J. & Mangel, M. (2006) Top Predators in Marine Ecosystems: Their Role in Monitoring and Management (Conservation Biology 12) 2006 (Ed. by I.L. Boyd, S. Wanless & C.J. Camphuysen), pp. 275-293. Cambridge University, Cambridge.
72. Wolfe, R.J., Fall, J.A. & Stanek, R.T. (2005) The Subsistence Harvest of Harbor Seals and Sea Lions by Alaska Natives in 2004. Alaska Department of Fish and Game, Juneau, AK. Subsistence Div. Tech. Paper No. 303.
73. Wynne, K. (1990) Marine Mammal Interactions with the Salmon Drift Gill Net Fishery on the Copper River Delta, Alaska, 1988 and 1989. Sea Grant Tech. Rep. No. 90-5. Univ. Alaska, Fairbanks, AK, USA.
74. Yesner, D.R. (1998) Effects of prehistoric human expooitation on Aleutian sea mammal populations. Arctic Anthropology, 25, 28-43.