Developmental stability and skull lesions in the harbour seal (Phoca vitulina) in the 19th and 20th Centuries

Annales Zoologici Fennici

Volumn 34, Issue 3, 1997, Pages 151-166

  Schandorff, Søren ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

DEVELOPMENTAL STABILITY; EPIZOOTIC; EPIZOOTICS; FLUCTUATING ASYMMETRY; HARBOUR SEAL; LESION; MAMMALS; MORTALITY; SEALS; SKULL;

NORTH SEA, KATTEGAT;

PHOCA VITULINA;

EID: 0030758471     PISSN: 0003455X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (47)

1. Alados, C. L., Escós, J. & Emlen, J. 1996: Fluctuating asymmetry and fractal dimension of the saggital suture as inbreeding depression indicators in Dama and Dorcas gazelle. - Can. J. Zool. 73: 1967-1974.
2. Allen, J. A. 1902: The hair seals (Family Phocidae) of the North Pacific Ocean and Bering Sea. - Bull. Am. Mus. Nat. Hist. 16: 459-499.
3. Baker, J. R. & Ross, H. M. 1992: The role of bacteria in phocine distemper. - Sci. Total Environ. 115: 9-14.
4. Bergman, A. & Olsson, M. 1986: Pathology of Baltic grey seal and ringed seal females with special references to adrenocortical hyperplasia: is environmental pollution the cause of a widely distributed disease syndrome? -Finnish Game Res. 44: 47-62.
5. Bergman, A., Olsson, M. & Reiland, S. 1986: High frequency of a skeletal deformation in Baltic grey seal skulls. - ICES, C: M 1986/N: 15: 1-7.
6. Bergman, A., Olsson, M. & Reiland, S. 1992: Skullbone lesions in the Baltic grey seal (Halichoerus grypus). -Ambio 21: 517-519.
7. Bøgebjerg, E., Tougaard, S., Madsen, J. & Nørgaard, N. 1991: Status of the harbour seal Phoca vitulina populations in the Danish waters 1976-1989, and short-term effects of the epidemic in 1988. - Dan. Rev. of Game Biol. 14: 2-16.
8. Carter, S. D., Hughes, D. E., Taylor, V. J. & Bell, S. C. 1992: Immune responses in common and grey seals during the seal epizootic. - Sci. Total Environ. 115: 83-91.
9. Clausen, B. 1977: Diseases and toxochemicals in the common seal in Denmark. Proc. Symp. Cons. Baltic Seals April 26-28. - Finnish Game Res. 37: 38-39.
10. Dietz, R., Heide-Jørgensen, M. P. & Härkönen, T. 1989: Mass death of habor seals (Phoca vitulina) in Europe. - Ambio 18: 258-264.
11. Doutt, J. K. 1942: A review of the genus Phoca. - Ann. Carnegie Mus. 29: 61-125.
12. Eggen, S. & Natvig, B. 1994: Concurrence of torus mandibularis and torus palatinus. - Scand. J. Dent. Res. 102: 60-63.
13. Emlen, J. M., Freeman, D. C. & Graham, J. H. 1993: Growth dynamics and the origin of fluctuating asymmetry. -Genetica 89: 77-96.
14. Escós, J. M., Alados, C. L. & Emlen, J. M. 1995: Fractal structures and fractal functions as disease indicators. - Oikos 74: 1-5.
15. Fowler, J. & Cohen L. 1990: Practical statistics for field biology. - Open University Press, Philadelphia.
16. Hall, A. J., Law, R. J., Wells, D. E., Harwood, J., Ross, H. M., Kennedy, S., Allchi, C. R., Campbell, L. A. & Pomeroy, P. P. 1992: Organochlorine levels in common seals (Phoca vitulina) which were victims and survivors of the 1988 phovina distemper epizootic. - Sci. Total Environ. 115: 145-162.
17. Haraguchi, K., Athanasiadou, M., Bergman, Å., Hovander, L. & Jensen, S. 1992: PCB and PCB methyl sulfones in selected groups of seals from Swedish waters. - Ambio 21: 546-549.
18. Härkönen, T. & Heide-Jørgensen, M. P. 1990: Comparative life histories of East Atlantic and other harbour seal populations. - Ophelia, 32: 211-235.
19. Hartwig, W.C. 1991: Fractal analysis of the sagittal suture morphology. - J. Morphol. 210: 289-298.
20. Have, P., Nielsen, J. & Bøtner, A. 1991: The seal death in Danish waters. 2. Virological studies. - Acta vet. Scand. 32: 211-219.
21. Heide-Jørgensen, M. P., Härkönen, T., Dietz, R. & Thompson, P. M. 1992: Retrospective of the 1988 European seal epizootic. Diseases Aquat. Organisms 13: 37-62.
22. Helle, E., Olsson, M. & Jensen, S. 1977: PCB levels correlated with pathological changes in seal uteri. - Ambio 5: 261-263.
23. Holden, A. V. 1978: Pollutants and seals - a review. -Mammal Rev. 8: 53-66.
24. Honda, E., Domon, M., Sasaki, T., Obayashi, N. & Ida, M. 1992: Fractal dimensions of ductal patterns in the parotid glands of normal subjects and patiens with Sjögren syndrome. - Invest. Radiol. 27: 790-795.
25. Jones, J. S. 1987: An asymmetrical view of fitness. - Nature 325: 299.
26. Klausen, B. 1991: Microbiological and immunological aspects of experimental periodontal disease in rats. -Disputats. KBH tandlægehøjskole.
27. Long, C. A. 1985: Intricate sutures as fractal curves. - J. Morphol. 185: 285-295.
28. Merilä, J. & Björklund, M. 1995: Fluctuating asymmetry and measurement error. - Syst. Biol. 44: 97-101.
29. Møller, A. P. 1996: Developmental instability and parasitism: A review. - Oikos. 77: 189-196.
30. Møller, A. P. & Swaddle, J. P. 1997: Developmental stability and evolutionary biology. - Oxford University Press, Oxford. (In press.)
31. Mortensen, P., Bergman, A., Bignert, A., Hansen, H. J., Härkönen, T. & Olsson, M. 1992: Prevalence of skull lesions in habor seals (Phoca vitulina) in Swedish and Danish museum collections during the period 1835-1988. - Ambio 21: 520-524.
32. Olsson, M. & Reutergårdh, L. 1986: DDT and PCB pollution trends in the Swedish aquatic environment. -Ambio 15: 103-109.
33. Olsson, M., Karlsson, B. & Ahnland, E. 1992: Seals and seal protection: A presentation of a Swedish research project. - Ambio 21: 494-496.
34. Osterhaus, A. D. M. E. & Vedder, E. J. 1988: Identification of virus causing recent seal deaths. - Nature 335: 20.
35. Palmer, A. R. & Strobeck, C. 1986: Fluctuating asymmetry: Measurement, analysis, patterns. - Ann. Rev. Ecol. Syst. 17: 391-121.
36. Palmer, A. R. 1994: Fluctuating asymmetry analyses: A primer. - In: Markow, J. (ed.), Developmental instability: Its origin and evolutionary implications: 335-364. Kluwer, Dordrecht.
37. Reijnders, P. J. H. 1980: Organochlorine and heavy metal residues in harbour seals from the Wadden Sea and their possible effects on reproduction. - Neth. J. Sea Res. 14: 30-65
38. Rice, W. R. 1989: Analysing tables of statistical tests. -Evolution 43: 223-225.
39. Sokal, R. R. & Rohlf, F. J. 1981: Biometry. - W. H. Freeman, San Francisco.
40. Søndergård, N., Joensen, A. H. & Bøgebjerg, E. 1976: Sælernes forekomst og sæljagten i Danmark. - Danske Vildtundersøgelser 26. 80 pp.
41. Sumarsono, S. H., Wilson, T. J., Tymms, M. J., Venter, D. J., Corrick, C. M., Kola, R., Lahoud, M. H., Papas, T. S., Seth, A. & Kola, I. 1996: Down's syndrome-like skeletal abnormalities in Ets2 transgenic mice. - Nature 379: 534-537.
42. Swart, R. L. Ross, P. S., Vedder, L. J., Timmerman, H. H., Heisterkamp, S., Loveren, H. V., Vos, J. G. Reijnders, P. J. H. & Osterhaus, A. D. M. E. 1994: Impairment of immune function in harbor Seals (Phoca vitulina) feeding on fish from polluted waters. - Ambio 23: 155-159.
43. Touyz, L. Z. G. & Tau, S. 1991a: A classification of palatal osseous alveolar marginal exostoses - POAMES J. Dent. Ass. South Africa 46: 419-421.
44. Touyz, L. Z. G. & Tau, S. 1991b: Frequency and distribution of palatal osseous alveolar marginal exostoses -POAMES. J. Dent. Ass. South Africa 46: 471-473.
45. Valentine, D. W. & Soulé, M. 1973: Effetcs of p,p′-DDT on developmental stability of pectoral fin rays in the grunion. Leuresthes tenuis. - Fish. Bull. 71: 921-926.
46. Zakharov, V. M, Olsson, M. & Yablokov, A.V. 1986: Does environmental pollution affect the development of the Baltic grey seal (Halichoerus grypus). Influence of human activities on the Baltic ecosystem. - Soviet-Swedish Symposium, April 1986: 96-108.
47. Zakharov, V. M. & Yablokov A. V. 1990: Skull asymmetry in the Baltic grey seal: Effects of environmental pollution. - Ambio 19: 266-269.