Seasonal variation in body condition of adult Barents Sea harp seals (Phoca groenlandica)

Journal of Northwest Atlantic Fishery Science

Volumn 22, Issue , 1997, Pages 17-25

  Nilssen, K T ^a,b,c   Haug, T ^a,b,c   Grotnes, P E ^a,b,c   Potelov, V ^a,b,c  

^a NORWEGIAN INSTITUTE OF FISHERIES AND AQUACULTURE RESEARCH   (Norway)

^b UNIVERSITY OF TROMSØ   (Norway)

^c Polar Research Institute of Marine Fisheries and Oceanography (PINRO)   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

BLUBBER; BODY CONDITION; HARP SEAL; SEASONAL VARIATION;

BARENTS SEA;

ANIMALIA; PHOCA GROENLANDICA; PHOCIDAE; PINNIPEDIA;

EID: 0031389838     PISSN: 02506408     EISSN: 18131859     Source Type: Journal    
DOI: 10.2960/J.v22.a1     Document Type: Article

References (39)

1. ANON. 1967. American Society of Mammalogists. 1967. Standard measurements of seals J. Mammal. 48: 459-462.
2. MS 1992. Report of the Joint ICES/NAFO Working Group on Harp and Hooded Seals, Copenhagen, 14-18 October 1991. ICES C.M. Doc., No. Assessment: 5, 31 p.
3. MS 1994. Report of the Joint ICES/NAFO Working Group on Harp and Hooded Seals, Copenhagen, 15-21 September 1993. ICES C. M. Doc., No. Assessment: 5, 35 p.
4. BECK, G. G., T. G. SMITH, and M.O. HAMMILL. 1993. Evaluation of body condition in the Northwest Atlantic harp seal (Phoca groenlandica). Can. J. Fish. Aquat. Sci., 50: 1372-1381.
5. BENJAMINSEN, T. 1979. Pup production and sustainable yield of White Sea harp seals. Fiskeridir. Skr. Havunders, 16: 551-559.
6. BOGSTAD, B., K. H. HAUGE, and Ø. ULLTANG. MS 1995. Results of simulation studies using a multispecies model for the Barents Sea (MULTSPEC). Int. Whal. Comm., SC/47/NA1, 33 p.
7. CHABOT, D., G. B. STENSON, and N.B. CADIGAN. MS 1995. Short- and long-term fluctuations in the size and condition of harp seal (Phoca groenlandica) in the Northwest Atlantic. NAFO SCR Doc., No. 42, Serial No. N2551, 27 p.
8. FEDAK, M. A., and S. S. ANDERSEN. 1987. Estimating the energy requirements of seals from weight changes. In: Marine mammal energetics, A.C. Huntley, D.P. Costa, G. A. J. Worthy and M. A. Castellini (eds), Society for Marine Mammalogy, Lawrence, KS. p. 206-226.
9. HAUG, T., A. B. KRØYER, K. T. NILSSEN, K. I. UGLAND, and P. E. ASPHOLM. 1991. Harp seal (Phoca groenlandica) invasions in Norwegian coastal waters: age composition and feeding habits. ICES J. Mar. Sci., 48: 363-371.
10. HAUG, T., K. T. NILSSEN, N. ØIEN, and V. POTELOV. 1994. Seasonal distribution of harp seals (Phoca groenlandica) in the Barents Sea. Polar Res., 13(2): 163-172.
11. KJELLQWIST, S. A., T. HAUG, and T. ØRITSLAND. 1995. Trends in age composition, growth and reproductive parameters of Barents Sea harp seals Phoca groenlandica. ICES J. Mar. Sci., 52: 197-208.
12. KOVACS, K. M., D. M. LAVIGNE, and S. INNES. 1991. Mass transfer efficiency between harp seal (Phoca groenlandica) mothers and their pups during lactation. J. Zool., Lond., 223: 213-221.
13. LAGER, A. R., E. S. NORDØY, and A. S. BLIX. 1994. Seasonal changes in food intake of harp seals (Phoca groenlandica) at 69°N. Mar. Mamm. Sci., 10(3): 332-341.
14. Le CREN, E. D. 1951. The length-weight relationship and seasonal cycle in gonad weight and condition in the perch (Perca fluviatilis). J. Anim. Ecol., 20: 201-219.
15. LOCKYER, C. 1986. Body fat condition in northeast Atlantic fin whales, Balaenoptera physalus, and its relationship with reproduction and food resource. Can. J. Fish. Aquat. Sci., 43: 142-147.
16. LYDERSEN, C., L. A. ANGANTYR, Ø. WIIG, and T. ØRITSLAND. 1991. Feeding habits of northeast Atlantic harp seals Phoca groenlandica along the summer ice edge of the Barents Sea. Can. J. Fish. Aquat. Sci., 48: 2180-2183.
17. NILSSEN, K. T. 1995. Seasonal distribution, condition and feeding habits of Barents Sea harp seals (Phoca groenlandica). A. Blix, L. Walløe, and Ø. Ulltang, (eds.). In: Whales, seals, fish and man. Elsevier Science B.V., p. 241-254.
18. NILSSEN, K. T., P. GROTNES, and T. HAUG. 1992. The effect of invading harp seals (Phoca groenlandica) on local coastal fish stocks in North Norway. Fish. Res., 13: 25-37.
19. NILSSEN, K. T., I. AHLQUIST, J-E. ELIASSEN, T. HAUG, and L. LINDBLOM. MS 1994. Studies of food availability and diets of harp seals (Phoca groenlandica) in the southeastern Barents Sea in February 1993. ICES C. M. Doc., N:12, 24 p.
20. NILSSEN, K. T., T. HAUG, V. POTELOV, V. A. STASENKOV, and Y. K. TIMOSHENKO. 1995a. Food habits of harp seals (Phoca groenlandica) during lactation and moult in March-May in the southern Barents Sea and White Sea. ICES. J. Mar. Sci., 52: 33-41.
21. NILSSEN, K. T., T. HAUG, V. POTELOV, and Y. K. TIMOSHENKO 1995b. Feeding habits of harp seals (Phoca groenlandica) during early summer and autumn in the northern Barents Sea. Polar Biol., 15: 485-493.
22. ØRITSLAND, T. 1990. Seals in the northeast Atlantic and interactions with fisheries. Comm. Arc. Int. Commnt., 2: 10-13.
23. PITCHER, K. W. 1986. Variation in blubber thickness of harbour seals in southern Alaska. J. Wildl. Manage., 50: 463-466.
24. POND, C. M. 1978. Morphological aspects and ecological and mechanical consequences of fat deposition in wild vertebrates. Annu. Rev. Ecol. Syst., 9: 519-570.
25. READ, A. J. 1990. Estimation of body condition in harbour porpoises, Phocaena phocaena. Can. J. Zool., 68: 1962-1966.
26. RENOUF, D., R. GALES, and E. NOSEWORTHY. 1993. Seasonal variation in energy intake and condition of harp seals: Is there a harp seal morph? Problems for bioenergetic modelling. J. Zool., Lond., 230: 513-528.
27. RYG, M., C. LYDERSEN, N. H. MARKUSSEN, T. G. SMITH, and N. A. ØRITSLAND. 1990. Estimating the blubber content of phocid seals. Can. J. Fish. Aquat. Sci., 47: 1223-1227.
28. RYG, M., T. G. SMITH, and N.A. ØRITSLAND. 1988. Thermal significance of the topographical distribution of blubber in ringed seals (Phoca hispida). Can. J. Fish. Aquat. Sci., 45: 985-992.
29. SCHOLANDER, P. F., V. WALTERS, R. HOCK, and L. IRVING. 1950. Body insulation of some arctic and tropical mammals and birds. Bull. Mar. Biol. Lab. Woods Hole, 99:225-236.
30. SERGEANT, D. E. 1973. Feeding, growth and productivity of northwest Atlantic harp seals (Pagophilus groenlandicus). J. Fish. Res. Board. Can., 30: 17-29.
31. SERGEANT, D. E. 1991. Harp seals, man and ice. Can. Spec. Publ. Fish. Aquat. Sci., 114, 153 p.
32. SIVERTSEN, E. 1941. On the biology of the harp seal Phoca groenlandica Erxl. Investigations carried out in the White Sea 1925-1937. Hvalrådets Skr.: 1-166.
33. SMIRNOV, N. 1924. On the eastern harp seals Phoca (pagophoca) groenlandica var. oceanica Lepechin. Tromsø Mus. Årsh., 47(2): 1-11.
34. STEWART, R. E. A., and D. M. Lavigne. 1984. Energy transfer and female condition in nursing harp seals Phoca groenlandica. Holarct. Ecol., 7: 182-194.
35. WIIG, Ø. 1988. Grønlandssel og selinvasjon. Hva vet vi - hva tror vi. Naturen, 1988(2): 35-41.
36. WORTHY, G. A. J. 1987. Metabolism and growth of young harp and grey seals. Can. J. Zool., 65:1377-1382.
37. WORTHY, G. A. J., and D. M. LAVIGNE. 1983a. Energetics of fasting and subsequent growth in weaned harp seal pups, Phoca groenlandica. Can. J. Zool., 61: 447-456.
38. WORTHY, G. A. J., and D. M. LAVIGNE. 1983b. Changes in energy stores during postnatal development of harp seals, Phoca groenlandica. J. Mammal., 64: 89-96.
39. WORTHY, G. A. J., and D. M. LAVIGNE. 1987. Mass loss, metabolic rate, energy utilization by harp and grey seal pups during the postweaning fast. Physiol. Zool., 60: 352-364.