Prey selection of subadult male northern fur seals (Callorhinus ursinus) and evidence of dietary niche overlap with adult females during the breeding season

Marine Mammal Science

Volumn 28, Issue 1, 2012, Pages 1-15

  Call, Katherine A ^a   Ream, Rolf R ^a  

^a ALASKA FISHERIES SCIENCE CENTER   (United States)

Author keywords

Bering Sea; Callorhinus ursinus; Foraging behavior; Niche overlap; Northern fur seal; Pinnipeds

Indexed keywords

ADAPTATION; ADULT; BREEDING SEASON; CEPHALOPOD; DIETARY SHIFT; FEMALE; FISH; GEOGRAPHICAL REGION; INTRASPECIFIC COMPETITION; MALE; NICHE OVERLAP; PINNIPED; POPULATION DECLINE; POPULATION STRUCTURE; PREY SELECTION; SEXUAL DIMORPHISM;

ALASKA; BERING SEA; PACIFIC OCEAN; PRIBILOF ISLANDS; SAINT PAUL ISLAND [PRIBILOF ISLANDS]; UNITED STATES;

CALLORHINUS; CALLORHINUS URSINUS; CEPHALOPODA; CLUPEA PALLASI; ONCORHYNCHUS; PINNIPEDIA; POLLACHIUS; THERAGRA CHALCOGRAMMA;

EID: 84855192480     PISSN: 08240469     EISSN: 17487692     Source Type: Journal    
DOI: 10.1111/j.1748-7692.2011.00463.x     Document Type: Article

References (69)

1. Antonelis, G. A., E. H. Sinclair, R. R. Ream and B. W. Robson. 1997. Inter-island variation in the diet of female northern fur seals, (Callorhinus ursinus) in the Bering Sea. Journal of Zoology (London) 242:435-451.
2. Bailey, K. M. 1989. Interaction between the vertical distribution of juvenile walleye pollock Theragra chalcogramma in the eastern Bering Sea, and cannibalism. Marine Ecology Progress Series 53:205-213.
3. Baker, J. D., G. A. Antonelis and A. E. York. 1995. Natal site fidelity in northern fur seals, Callorhinus ursinus. Animal Behavior 50:237-247.
4. Beck, C. A., S. J. Iverson, W. D. Bowen and W. Blanchard. 2007. Sex differences in grey seal diet reflect seasonal variation in foraging behaviour and reproductive expenditure: Evidence from quantitative fatty acid signature analysis. Journal of Animal Ecology 76:490-502.
5. Beck, C. A., W. D. Bowen and S. J. Iverson. 2003. Sex differences in seasonal patterns of energy storage and expenditure in a phocid seal. Journal of Animal Ecology 72:280-291.
6. Bigg, M. A., and I. Fawcett. 1985. Two biases in diet determination of northern fur seals (Callorhinus ursinus). Pages 284-291 in J. R. Beddington, R. J. H. Beverton, and D. M. Lavigne, eds. Marine mammals and fisheries. George Allen and Unwin, London, U.K.
7. Bolnick, D. I., R. Svanbäck, J. A. Fordyce, L. H. Yang, J. M. Davis, C. D. Hulsey and M. L. Forrister. 2003. The ecology of individuals: Incidence and implications of individual specialization. American Naturalist 161:1-29.
8. Bowen, W. D. 2000. Reconstruction of pinniped diets: Accounting for complete digestion of otoliths and cephalopod beaks. Canadian Journal of Fishery Aquatic Sciences 57:898-905.
9. Breed, G. A., W. D. Bowen, J. I. McMillan and M. L. Leonard. 2006. Sexual segregation of seasonal foraging habitats in a non-migratory marine mammal. Proceedings of the Royal Society B: Biological Sciences 273:2319-2326.
10. Call, K. A., R. R. Ream, D. Johnson, J. T. Sterling and R. G. Towell. 2008. Foraging route tactics and site fidelity of adult female northern fur seal (Callorhinus ursinus) around the Pribilof Islands. Deep-Sea Research II 55:1883-1896.
11. Charnov, E. L., G. H. Orians and K. Hyatt. 1976. Ecological implications of resource depression. American Naturalist 110:247-259.
12. Clarke, J., B. Manly, K. Kerry, E. Franchi, S. Corsolini and S. Focardi. 1998. Sex differences in Adelie penguin foraging strategies. Polar Biology 20:248-258.
13. Costa, D. P., and R. L. Gentry. 1986. Free-ranging energetic of pinnipeds: Implications for life history patterns. Pages 79-101 in R. L. Gentry and G. L. Kooyman, eds. Fur seals: Maternal strategies on land and at sea. Princeton University Press, Princeton, NJ.
14. Dellinger, T., and F. Trillmich. 1999. Fish prey of sympatric Galapagos fur seals and sea lions: Seasonal variation and niche separation. Canadian Journal of Zoology 77:1204-1216.
15. Elmhagen, B., M. Tannerfeldt and A. Angerbjorn. 2002. Food-niche overlap between arctic and red foxes. Canadian Journal of Zoology 80:1274-1285.
16. Field, I. C., C. J. A. Bradshaw, J. Van Den Hoff, H. R. Burton and M. A. Hindell. 2007. Age-related shifts in the diet composition of southern elephant seals expand overall foraging niche. Marine Biology 150:1441-1452.
17. Field, I. C., C. J. A. Bradshaw, H. R. Burton, M. D. Sumner and M. A. Hindell. 2005. Resource partitioning through oceanic segregation of foraging juvenile southern elephant seals. Oecologia 142:127-135.
18. Gales, R., D. Pemberton, C. C. Lu and M. R. Clarke. 1993. Cephalopod diet of the Australian fur seal: Variation due to location, season and sample type. Australian Journal of Marine and Freshwater Research 44:657-671.
19. Gentry, R. L. 1979. Land-sea movements of juvenile males. Marine Mammal Division, Fur Seal Investigations, 1978. U.S. Department of Commerce, NMFS, NWAFC Processed Report. 84 pp.
20. Gentry, R. L. 1998. Behavior and ecology of the northern fur seal. Princeton University Press, Princeton, NJ.
21. Goebel, M. E., J. L. Bengtson, R. L. DeLong, R. L. Gentry and T. R. Loughlin. 1991. Diving patterns and foraging locations of female northern fur seals. Fishery Bulletin 89:171-179.
22. Grant, P. R. 1986. The ecology and evolution of Darwin's finches. Princeton University Press, Princeton, NJ.
23. Gudmundson, C. J., T. K. Zeppelin and R. R. Ream. 2006. Application of two methods for determining diet in northern fur seals (Callorhinus ursinus). Fishery Bulletin 104:445-455.
24. Harvey, J. T. 1989. Assessment of errors associated with harbor seal (Phoca vitulina) fecal sampling. Journal of Zoology (London) 219:101-111.
25. Iverson, S. J., K. J. Frost and S. L. C. Lang. 2002. Fat content and fatty acid composition of forage fish and invertebrates in Prince William Sound, Alaska: Factors contributing to among and within species variability. Marine Ecology Progress Series 241:161-181.
26. Johnson, A. M. 1968. Annual mortality of territorial male fur seals and its management significance. Journal of Wildlife Management 32:94-99.
27. Kajimura, H. 1984. Opportunistic feeding of the northern fur seal, Callorhinus ursinus, in the North Pacific Ocean and eastern Bering Sea. U.S. Department of Commerce, NOAA Technical Report, NMFS SSRF-779. 49 pp.
28. Kiyota, M., C. Kawai and N. Baba. 1999. Estimation of the diet of male northern fur seals (Callorhinus ursinus) based on analysis of fecal and regurgitated materials. Bulletin of National Research Institute of Far Seas Fisheries 36:1-7.
29. Kooyman, G. L., M. A. Castellini and R. W. Davis. 1981. Physiology of diving in marine mammals. Annual Review of Physiology 43:343-356.
30. Kruuk, H., B. Kanchanasaka, S. O'Sullivan and S. Wanghangsa. 1994. Niche separation in 3 sympatric otters Lutra perspicillata, L. lutra and Aonyx cinerea in Hai Kha Khaeng, Thailand. Biology Conservation 69:115-120.
31. Kurle, C. M., and G. A. J. Worthy. 2001. Stable isotope assessment of temporal and geographic differences in feeding ecology of northern fur seals (Callorhinus ursinus) and their prey. Oecologia 126:254-265.
32. Lander, R. H. 1981. A life table and biomass estimate for Alaskan fur seals. Fisheries Research (Amsterdam) 1:55-70.
33. Levin, R. 1968. Evolution in changing environments. Monographs in population biology. Princeton University Press, Princeton, NJ.
34. Loveridge, A. J., and D. W. Macdonald. 2003. Niche separation in sympatric jackals (Canis mesomelas and Canis adustus). Journal of Zoology 259:143-153.
35. Mori, Y. 2002. Optimal diving behavior for foraging in relation to body size. Journal of Evolutionary Biology 15:269-276.
36. Ono, K. A., and D. J. Boness. 1996. Sexual dimorphism in sea lion pups: Differential maternal investment, or sex-specific differences in energy allocation? Behavioral Ecology and Sociobiology 38:31-41.
37. Orians, G. H., and N. E. Pearson. 1979. On the theory of central place foraging. Pages 155-177 in D. J. Horn, G. R. Stairs, and R. D. Mitchell, eds. Analysis of ecological systems. Ohio State University Press, Columbus, OH.
38. Page, B., J. McKenzie and S. D. Goldsworthy. 2005. Dietary resource partitioning among sympatric New Zealand and Australian fur seals. Marine Ecology Progress Series 293:283-302.
39. Page, B., J. McKenzie, M. D. Sumner, M. Coyne and S. D. Goldsworthy. 2006. Spatial separation of foraging habitats among New Zealand fur seals. Marine Ecology Progress Series 323:263-279.
40. Perez, M. A., and M. A. Bigg. 1986. Diet of northern fur seals, Callorhinus ursinus, off western North America. Fishery Bulletin 84:957-971.
41. Pianka, E. R. 1975. Niche relations of desert lizards. Pages 292-319 in M. L. Cody and J. M. Diamond, eds. Ecology and evolution of communities. Harvard University Press, Cambridge, MA.
42. Pierce, G. J., and P. R. Boyle. 1991. A review of methods for diet analysis in piscivorous marine mammals. Oceanography Marine Biology Annual Review 29:409-486.
43. Polis, G. A. 1984. Age structure component of niche width and intraspecific resource partitioning: Can age groups function as ecological species? American Naturalist 123:541-564.
44. Radloff, F. G. T., and J. T. Du Toit. 2004. Large predators and their prey in southern African savanna: A predator's size determines prey size. Journal of Animal Ecology 73:410-423.
45. Robson, B. W., M. E. Goebel, J. D. Baker et al. 2004. Separation of foraging habitat among breeding sites of a colonial marine predation, the northern fur seal (Callorhinus ursinus). Canadian Journal of Zoology 82:20-29.
46. Schabestberger, R., R. Brodeur, L. Ciannelli, J. M. Napp and G. L. Swartzman. 2000. Diel vertical migration and interaction of zooplankton and juvenile walleye pollock (Theragra chalcogramma) at a frontal region near the Pribilof Islands, Bering Sea. ICES Journal of Marine Science 57:1283-1295.
47. Scheffer, V. B., and F. Wilke. 1953. Relative growth in the northern fur seal. Growth 17:129-145.
48. Schoener, T. W. 1968. The Anolis lizards of Bimini: Resource partitioning a complex fauna. Ecology 65:1820-1827.
49. Schoener, T. W. 1970. Nonsynchrous spatial overlap of lizards in patchy habitats. Ecology 51:408-418.
50. Shine, R., R. N. Reed, S. Shetty and H. G. Cogger. 2002. Relationship between sexual dimorphism and niche partitioning within a clade of sea snakes (Laticaudinae). Oecologia 133:45-53.
51. Sinclair, E. H., T. R. Loughlin and W. G. Pearcy. 1994. Prey selection by northern fur seals (Callorhinus ursinus) in the Bering Sea. Fishery Bulletin 92:144-156.
52. Sinclair, E. H., G. A. Antonelis, B. W. Robson, R. R. Ream and T. R. Loughlin. 1996. Northern fur seal, Callorhinus ursinus, predation on juvenile walleye pollock, Theragra chalcogramma. Pages 167-178 in R. D. Brodeur, P. A. Livingston, T. R. Loughlin, and A. B. Hollowed, eds. Ecology of walleye pollock, Theragra chalcogramma. U.S. Department of Commerce, NOAA Technical Report NMFS-126.
53. Sol, D., and L. Lefebvre. 2000. Behavioral flexibility predicts invasion success in birds introduced to New Zealand. Oikos 90:599-605.
54. Springer, A. M., J. A. Estes, G. B. van Vliet, T. M. Williams, D. F. Doak, E. M. Danner, K. A. Forney and B. Pfister. 2003. Sequential megafaunal collapse in the North Pacific Ocean: An ongoing legacy of industrial whaling? Proceedings of the National Academy of Sciences 100:12223-12228.
55. Sterling, J. T., and R. R. Ream. 2004. At-sea behavior of juvenile male northern fur seals. Canadian Journal of Zoology 82:1621-1637.
56. Tollit, D. J., S. G. Heaslip, T. K. Zeppelin, R. Joy, K. A. Call and A. E. Trites. 2004. A method to improve size estimates of walleye Pollock (Theragra chalcogramma) and Atka mackerel (Pleuorgrammus monpterygius) consumed by pinnipeds: Digestion correction factors applied to bones and otoliths recovered from scats. Fishery Bulletin 102:498-508.
57. Tollit, D. J., M. J. Steward, P. M. Thompson, G. J. Pierce, M. B. Santos and S. Hughes. 1997. Species and size differences in the digestion of otoliths and beaks: Implications for estimates of pinniped diet composition. Canadian Journal of Fisheries Aquatic Sciences 54:105-119.
58. Towell, R. G., R. R. Ream and A. E. York. 2006. Decline in northern fur seal (Callorhinus ursinus) pup production on the Pribilof Islands. Marine Mammal Science 22:486-491.
59. Trites, A. W. 1992. Northern fur seals: Why have they declined? Aquatic Mammals 18:3-18.
60. Wallace, R. K. 1981. An assessment of diet-overlap indexes. American Fishery Society 110:72-76.
61. Wathne, J. A., T. Haug and C. Lydersen. 2000. Prey preference and niche overlap of ringed seals Phoca hispida and harp seals P. groenlandica in the Barents Sea. Marine Ecology Progress Series 194:233-239.
62. Whitehead, H., C. D. MacLeod and P. Rodhouse. 2003. Differences in niche breadth among some teuthivorous mesopelagic marine mammals. Marine Mammal Science 19:400-405.
63. Wikelski, H., C. D. MacLeod and P. Rodhouse. 2003. Niche expansion, body size and survival in Galapagos marine iguanas. Oecologia 124:107-115.
64. Wilke, F., and K. W. Kenyon. 1957. The food of the fur seal in the Bering Sea. Journal of Wildlife Management 21:237-238.
65. Winship, A. J., A. W. Trites and D. A. S. Rosen. 2002. A bioenergetic model for estimating the food requirements of Steller sea lions Eumetopias jubatus in Alaska, USA. Marine Ecology Progress Series 229:291-312.
66. Woodward, G., and A. G. Hildrew. 2002. Body-size determinants of niche overlap and intraguild predation within a complex food web. Ecology 71:1063-1074.
67. York, A. E. 1995. The relationship of several environmental indices to the survival of juvenile male northern fur seals (Callorhinus ursinus) from the Pribilof Islands. Pages 317-327 in R. J. Beamish, ed. Climate change and northern fish populations. Canadian Special Publication of Fisheries and Aquatic Sciences 121.
68. Zeppelin, T. K., and R. R. Ream. 2006. Foraging habitats based on the diet of female northern fur seals (Callorhinus ursinus). Canadian Journal of Zoology 270:565-576.
69. Zeppelin, T. K., D. J. Tollit, K. A. Call, T. J. Orchard and C. J. Gudmundson. 2004. Sizes of walleye pollock (Theragra chalcogramma) and Atka mackerel (Pleurogrammus monpterygius) consumed by the western stock of Steller sea lions (Eumetopias jubatus) in Alaska from 1998-2000. Fishery Bulletin 102:509-521.