Foraging behavior and prey of sea otters in a soft- and mixed-sediment benthos in Alaska

Mammalian Biology

Volumn 77, Issue 4, 2012, Pages 271-280

  Wolt, Ryan C ^a   Gelwick, Frances P ^a   Weltz, Frederick ^b   Davis, Randall W ^a  

^a TEXAS A AND M UNIVERSITY   (United States)

^b Alice Cove Research   (United States)

Author keywords

Enhydra lutris; Foraging behavior; Prey; Sea otter; Soft and mixed sediments

Indexed keywords

BATHYMETRY; BENTHOS; DIVING BEHAVIOR; FORAGING BEHAVIOR; INVERTEBRATE; MUSTELID; POPULATION DENSITY; PREY PREFERENCE; WATER DEPTH;

ALASKA; PRINCE WILLIAM SOUND; SIMPSON BAY; UNITED STATES;

BIVALVIA; CARNIVORA; CHLAMYS RUBIDA; DECAPODA (CRUSTACEA); ENHYDRA; ENHYDRA LUTRIS; ENHYDRA LUTRIS KENYONI; INVERTEBRATA; LAMINARIALES; LUTRINAE; MYTILUS EDULIS;

EID: 84861571179     PISSN: 16165047     EISSN: 16181476     Source Type: Journal    
DOI: 10.1016/j.mambio.2012.03.002     Document Type: Article

References (42)

1. Bodkin J.L., Ballachey B.E., Dean T.A., Fukuyama A.K., Jewett S.C., McDonald L., Monson D.H., O'Clair C.E., VanBlaricom G.R. Sea otter population status and the process of recovery from the 1989 'Exxon Valdez' oil spill. Marine Ecology-Progress Series 2002, 241:237-253.
2. Bodkin J.L., Esslinger G.G., Monson D.H. Foraging depths of sea otters and implications to coastal marine communities. Marine Mammal Science 2004, 20:305-321.
3. Calkins D.G. Feeding-behavior and major prey species of sea otter (Enhydra lutris), in Montague Strait, Prince William Sound, Alaska. Fishery Bulletin 1978, 76:125-131.
4. Costa D.P. Energy, nitrogen and electrolyte flux and sea-water drinking in the sea otter (Enhydra lutris). Physiological Zoology 1982, 55:35-44.
5. Davis R.W., Williams T.M., Thomas J.A., Kastelein R.A., Cornell L.H. The effects of oil contamination and cleaning on sea otters (Enhydra lutris). 2. Metabolism, thermoregulation, and behavior. Canadian Journal of Zoology - Revue Canadienne De Zoologie 1988, 66:2782-2790.
6. Doroff A.M., Estes J.A., Tinker M.T., Burn D.M., Evans T.J. Sea otter population declines in the Aleutian archipelago. Journal of Mammalogy 2003, 84:55-64.
7. Doroff A.M., Bodkin J.L. Sea otter foraging behavior and hydrocarbon levels in prey. Marine Mammals and the Exxon Valdez 1994, 193-208. Academic Press, San Diego, CA, USA. T. Louglin (Ed.).
8. Ensminger A.H., Ensminger M.E., Konlande J.E., Robson J.R.K. Food & Nutrition Encyclopedia 1994, CRC, Press, Inc., Boca Raton, FL.
9. Estes J.A. Population estimates and feeding behavior of sea otters. The Environment of Amchitka Island, Alaska 1977, 511-526. National Technical Information Service, Springfield, VA. M.L. Merritt, R.G. Fuller (Eds.).
10. Estes J.A., Jameson R.J., M J.A. Food selection and some foraging tactics of sea otters. Worldwide Furbearer Conference 1980.
11. Estes J.A. Growth and equilibrium in sea otter populations. Journal of Animal Ecology 1990, 59:385-401.
12. Estes J.A., Duggins D.O. Sea otters and kelp forests in Alaska - generality and variation in a community ecological paradigm. Ecological Monographs 1995, 65:75-100.
13. Estes J.A., Bodkin J.L. Otters. Encyclopedia of Marine Mammals 2002, 842-858. Academic Press, San Diego, CA, USA. W.F. Perrin, B. Wursig, J.G.M. Thewissen (Eds.).
14. Estes J.A., Riedman M.L., Staedler M.M., Tinker M.T., Lyon B.E. Individual variation in prey selection by sea otters: patterns, causes and implications. Journal of Animal Ecology 2003, 72:144-155.
15. Finerty S.E., Hillman G.R., Davis R.W. Computer matching of sea otter (Enhydra lutris) nose scars: a new method for tracking individual otters. Aquatic Mammals 2007, 33:349-358.
16. Finerty S.E., Wolt R.C., Davis R.W. Summer activity pattern and field metabolic rate of adult male sea otters (Enhydra lutris) in a soft sediment habitat in Alaska. Journal of Experimental Marine Biology and Ecology 2009, 377:36-42.
17. Finerty S.E., Pearson H.C., Davis R.W. Interannual assessment of territory quality for male sea otters (Enhydra lutris) in Simpson Bay, Prince William Sound, Alaska. Canadian Journal of Zoology - Revue Canadienne De Zoologie 2010, 88:289-298.
18. Garshelis, D.L., 1983. Ecology of sea otters in Prince William Sound, Alaska. Ph.D. Thesis. University of Minnesota, Duluth, MN, USA.
19. Garshelis D.L., Garshelis J.A., Kimker A.T. Sea otter time budgets and prey relationships in Alaska. Journal of Wildlife Management 1986, 50:637-647.
20. Gilkinson A.K., Pearson H.C., Weltz F., Davis R.W. Photo-identification of sea otters using nose scars. Journal of Wildlife Management 2007, 71:2045-2051.
21. Gilkinson A.K., Finerty S.E., Weltz F., Dellapenna T.M., Davis R.W. Habitat associations of sea otters (Enhydra lutris) in a soft- and mixed-sediment benthos in Alaska. Journal of Mammalogy 2011, 92:1278-1286.
22. Kenyon K.W. The Sea Otter in the Eastern Pacific Ocean 1975, Dover Publications, New York.
23. Kenyon K.W. Sea Otter, Enhydra lutris 1981, London, Academic Press Inc.
24. Kvitek R.G., Oliver J.S. Influence of sea otters on soft-bottom prey communities in Southeast Alaska. Marine Ecology Progress Series 1992, 82:103-113.
25. Kvitek R.G., Oliver J.S., Degange A.R., Anderson B.S. Changes in Alaskan soft-bottom prey communities along a gradient in sea otter predation. Ecology 1992, 73:413-428.
26. Kvitek R.G., Bowlby C.E., Staedler M. Diet and foraging behavior of sea otters in Southeast Alaska. Marine Mammal Science 1993, 9:168-181.
27. Laidre K.L., Jameson R.J. Foraging patterns and prey selection in an increasing and expanding sea otter population. Journal of Mammalogy 2006, 87:799-807.
28. Lee O.A., Galwick F., Davis R.W. Summer foraging tactics in sea otters (Enhydra lutris): maintaining foraging efficiencies in a stable population in Alaska. Aquatic Mammals 2010, 36:351-364.
29. LepŠ J., Šmilauer P. Multivariate Analysis of Ecological Data Using CANOCO 2003, Cambridge University Press, Cambridge, UK.
30. Miller D.J. The sea otter Enhydra lutris: it's life history, taxonomic status and some ecological relationships. Marine Resources Leaflet No. 7 1974, California Department of Fish and Game.
31. Nickerson R.B. A study of the littleneck clam (Protothaca staminea conrad) and the butter clam (Saxidomus giganteus Deshayes) in a habitat permiting coexistence. Proceedings of the National Shellfisheries Association 67 1977.
32. Noll C.J., Dellapenna T.M., Gilkenson A., Davis R.W. A high-resolution geophysical investigation of sediment distribution controlled by catchment size and tides in a multi-basin turbid outwash fjord: Simpson Bay, Prince William Sound, Alaska. Geo-Marine Letters 2008, 1-16.
33. O'Clair R.M., O'Clair C.E. Southeast Alaska's Rocky Shores Animals 1989, Auke Bay, Plant Press.
34. Osterrieder S.K., Davis R.W. Summer foraging behaviour of female sea otters (Enhydra lutris) with pups in Simpson Bay, Alaska. Aquatic Mammals 2009, 35(9):481-489.
35. Osterrieder S.K., Davis R.W. Sea otter female and pup activity budgets, Prince William Sound, Alaska. Journal of the Marine Biological Association of the United Kingdom 2011, 91:882-892.
36. Pearson H.C., Davis R.W. Behavior of territorial male sea otters (Enhydra lutris) in Prince William Sound, Alaska. Aquatic Mammals 2005, 31(2):226-233.
37. Pyke G.H. Optimal foraging theory - a critical-review. Annual Review of Ecology and Systematics 1984, 15:523-575.
38. Rotterman L.M., Simon-Jackson T. Sea Otter. Selected Marine Mammals of Alaska: Species Accounts with Research and Management Recommendations 1988, 237-271. Marine Mammal Commission, Washington, DC. J.W. Lentfer (Ed.).
39. Tinker M.T., Costa D.P., Estes J.A., Wieringa N. Individual dietary specialization and dive behaviour in the California sea otter: using archival time-depth data to detect alternative foraging strategies. Deep-Sea Research Part Ii-Topical Studies in Oceanography 2007, 54:330-342.
40. Tinker M.T., Bentall G., Estes J.A. Food limitation leads to behavioral diversification and dietary specialization in sea otters. Proceedings of the National Academy of Sciences of the United States of America 2008, 105:560-565.
41. VanBlaricom G.R. Effects of foraging by sea otters on mussel-dominated intertidal communities. The Community Ecology of Sea Otters 1988, 48-91. Springer-Verlag, Berlin. G.R. VanBlaricom, J.A. Estes (Eds.).
42. Williams T.M., Kastelein R.A., Davis R.W., Thomas J.A. The effects of oil contamination and cleaning in sea otters (Enhydra lutris). Thermoregulatory implications based on pelt studies. Canadian Journal of Zoology 1988, 66:2776-2781.