Foraging patterns and prey selection in an increasing and expanding sea otter population

Journal of Mammalogy

Volumn 87, Issue 4, 2006, Pages 799-807

  Laidre, Kristin L ^a   Jameson, Ronald J ^b  

^a GREENLAND INSTITUTE OF NATURAL RESOURCES   (Greenland)

^b U S GEOLOGICAL SURVEY   (United States)

Author keywords

Fisheries conflicts; Foraging patterns; Kelp canopy; Sea otter; Washington

Indexed keywords

CANOPY; FORAGING EFFICIENCY; HABITAT AVAILABILITY; MARINE MAMMAL; POPULATION SIZE; PREY CAPTURE; PREY SELECTION; PREY SIZE; SEAWEED;

NORTH AMERICA; UNITED STATES; WASHINGTON [UNITED STATES];

BIVALVIA; CARNIVORA; ENHYDRA; ENHYDRA LUTRIS; ENHYDRA LUTRIS KENYONI; MACROCYSTIS; MACROCYSTIS INTEGRIFOLIA; MACROCYSTIS PYRIFERA; NEREOCYSTIS; STRONGYLOCENTROTUS; STRONGYLOCENTROTUS FRANCISCANUS;

EID: 33748464518     PISSN: 00222372     EISSN: None     Source Type: Journal    
DOI: 10.1644/05-MAMM-A-244R2.1     Document Type: Article

References (29)

1. AKAIKE, H. 1973. Information theory as an extension of the maximum likelihood principle. Pp. 267-281 in Second International Symposium on Information Theory (B. N. Petrov and F. Csaki, eds.). Akademiai Kiado, Budapest, Hungary.
2. ANIMAL CARE AND USE COMMITTEE. 1998. Guidelines for the capture, handling, and care of mammals as approved by the American Society of Mammalogists. Journal of Mammalogy 79:1416-1431.
3. BODKIN, J. L., G. G. ESSLINGER, AND D. H. MONSON. 2004. Foraging depths of sea otters and implications to coastal marine communities. Marine Mammal Science 20:305-321.
4. COSTA, D. P. 1978. The ecological energetics, water, and electrolyte balance of the California sea otter (Enhydra lutris). Ph.D. dissertation, University of California, Santa Cruz, Santa Cruz.
5. DUGGINS, D. O., C. A. SIMENSTAD, AND J. A. ESTES. 1989. Magnification of secondary production by kelp detritus in coastal marine ecosystems. Science 245:170-173.
6. ESTES, J. A. 1990. Growth and equilibrium in sea otter populations. Journal of Animal Ecology 59:385-402.
7. ESTES, J. A., AND D. O. DUGGINS. 1995. Sea otters and kelp forests in Alaska: generality and variation in a community ecosystem paradigm. Ecological Monographs 65:75-100.
8. ESTES, J. A., R. J. JAMESON, AND A. M. JOHNSON. 1981. Food selection and some foraging tactics of sea otters. Pp. 606-641 in Worldwide Furbearer Conference Proceedings VIII (J. A. Chapman and D. Pursley, eds.). Frostburg, Maryland. University of Maryland Press, Baltimore
9. ESTES, J. A., AND J. F. PALMISANO. 1974. Sea otters: their role in structuring nearshore ecosystems. Science 185:1058-1060.
10. ESTES, J. A., M. L. REIDMAN, M. M. STAEDLER, M. T. TINKER, AND B. E. LYON. 2003. Individual variation in prey selection by sea otters: patterns, causes and implications. Journal of Animal Ecology 72:144-155.
11. ESTES, J. A., AND G. R. VANBLARICOM. 1985. Sea otters and shellfisheries. Pp. 187-236 in Marine mammals and fisheries (J. Beddington, R. Beverton, and D. Lavigne, eds.). George, Allen, and Unwin, London, United Kingdom.
12. FANSHAWE, S., G. R. VANBLARICOM, AND A. A. SHELLY. 2003. Restored top carnivores as detriments to the performance of marine protected areas intended for fishery sustainability: a cast study with red abalones and sea otters. Conservation Biology 17:273-283.
13. GARSHELIS, D. L., J. A. GARSHELIS, AND A. T. KIMKER. 1986. Sea otter time budgets and prey relationships in Alaska. Journal of Wildlife Management 50:637-647.
14. GERBER, L. R., K. E. BUENAU, AND G. R. VANBLARICOM. 2004. Density dependence and risk of extinction in a small population of sea otters. Biodiversity and Conservation 13:2741-2757.
15. JAMESON, R. J., K. W. KENYON, S. J. JEFFRIES, AND G. R. VANBLARICOM. 1986. Status of a translocated sea otter population and its habitat in Washington. Murrelet 67:84-87.
16. JAMESON, R. J., K. W. KENYON, A. M. JOHNSON, AND H. W. WIGHT. 1982. History and status of translocated sea otter populations in North America. Wildlife Society Bulletin 10:100-107.
17. KNAPP, A. K., ET AL. 2004. Generality in ecology: testing North American grassland rules in South African savannas. Frontiers in Ecology and the Environment 2:483-491.
18. KVITEK, R. G., P. J. IAMPIETRO, AND C. E. BOWLBY. 1998. Sea otters and benthic prey communities: a direct test of the sea otter as a keystone predator in Washington State. Marine Mammal Science 14:895-902.
19. KVITEK, R. G., AND J. S. OLIVER. 1988. Sea otter foraging habits and effects on prey populations and communities in soft-bottom habitats. Pp. 22-45 in The community ecology of sea otters (G. R. VanBlaricom and J. A. Estes, eds.). Springer-Verlag, Berlin, Germany.
20. KVITEK, R. G., D. SHULL, D. CANESTRO, C. E. BOWLBY, AND B. L. TROUTMAN. 1989. Sea otters and benthic prey communities in Washington state. Marine Mammal Science 5:266-280.
21. LAIDRE, K. L., R. J. JAMESON, S. J. JEFFRIES, R. C. HOBBS, C. E. BOWLBY, AND G. R. VANBLARICOM. 2002. Developing carrying capacity estimates for sea otters (Enhydra lutris kenyoni) in Washington State. Wildlife Society Bulletin 30:1172-1181.
22. LANCE, M. M., S. RICHARDSON, AND H. ALLEN. 2004. Washington State recovery plan for the sea otter. 05-MAMM-A-244R. Washington Department of Fish and Wildlife, Olympia, Washington.
23. LAWTON, J. H. 1999. Are there general laws in ecology? Oikos 84:177-192.
24. LOUGHLIN, T. R. 1979. Radio telemetric determination of the 24-hour feeding activities of sea otters, Enhydra lutris. Pp. 717-724 in Handbook on biotelemetry and radio tracking (C. J. Amalaner, Jr., and D. W. Macdonald, eds.). Permagon Press, Oxford, United Kingdom.
25. OSTFELD, R. S. 1982. Foraging strategies and prey switching in the California sea otter. Oecologia 53:170-178.
26. RALLS, K., B. B. HATFIELD, AND D. B. SINIFF. 1995. Foraging patterns of California sea otters as indicated by telemetry. Canadian Journal of Zoology 73:523-531.
27. RIEDMAN, M. L., AND J. A. ESTES. 1990. The sea otter (Enhydra lutris): behavior, ecology, and natural history. United States Department of the Interior, Fish and Wildlife Service, Biological Report 90:1-126.
28. TINKER, M. T. 2004. Sources of variation in the foraging behavior and demography of the southern sea otter Enhydra lutris. Ph.D. dissertation, University of California, Santa Cruz.
29. WILD, P. W., AND J. A. AMES. 1974. A report on the sea otter, Enhydra lutrin L., in California. California Fish Game Marine Research Technical Report 20. 94 pp.