Trends in abundance of Alaska harbor seals, 1983-2001

Marine Mammal Science

Volumn 19, Issue 2, 2003, Pages 344-362

  Small, Robert J ^a   Pendleton, Grey W ^a   Pitcher, Kenneth W ^a  

^a ALASKA DEPARTMENT OF FISH AND GAME   (United States)

Author keywords

Aerial surveys; Alaska; Covariates; Harbor seal; Overdispersed multinomial models; Phoca vitulina richardsii; Population; Stock; Trend in abundance

Indexed keywords

ABUNDANCE; AERIAL SURVEY; COVARIANCE ANALYSIS; DISPERSAL; PINNIPED; POPULATION DYNAMICS; TREND ANALYSIS;

ALASKA; UNITED STATES;

MAMMALIA; PHOCA VITULINA; PHOCIDAE; PINNIPEDIA;

EID: 0037377155     PISSN: 08240469     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1748-7692.2003.tb01113.x     Document Type: Article

References (36)

1. ALVERSON, D. L. 1992. A review of commercial fisheries and the Steller sea lion (Eumetopias jubatus): The conflict arena. Reviews in Aquatic Sciences 6:203-256.
2. ANDERSON, P. J., AND J. F. PIATT. 1999. Community reorganization in the Gulf of Alaska following ocean climate regime shift. Marine Ecology Progress Series 189:117-123.
3. ANGLISS, R. P., D. P. DEMASTER AND A. L. LOPEZ. 2001. Alaska marine mammal stock assessments, 2001. U.S. Department of Commerce, NOAA Technical Memorandum NMFS-AFSC-124. 203 pp.
4. BURNHAM, K. P., AND D. R. ANDERSON. 1998. Model selection and inference: An information theoretic approach. Springer-Verlag, Berlin.
5. BURNHAM, K. P., G. C. WHITE AND D. R. ANDERSON. 1995. Model selection strategy in the analysis of capture-recapture data. Biometrics 51:888-898.
6. CALAMBOKIDIS, J., B. L. TAYLOR, S. D. CARTER, G. H. STEIGER, P. K. DAWSON AND L. D. ANTRIM. 1987. Distribution and haul-out behavior of harbor seals in Glacier Bay, Alaska. Canadian Journal of Zoology 65:1391-1396.
7. DANIEL, R., L. A. JEMISON, G. W. PENDLETON AND S. M. CROWLEY. 2003. Molting phenology of harbor seals on Tugidak Island, Alaska. Marine Mammal Science 19:128-140.
8. EBERHARDT, L. L., R. A. GARROTT AND B. L. BECKER, 1999. Using trend indices for endangered species. Marine Mammal Science 15:766-785.
9. FADELY, B. S. 1997. Investigations of harbor seal (Phoca vitulina) health status and body condition in the Gulf of Alaska. Ph.D. dissertation, University of Alaska Fairbanks, Fairbanks, AK. 183 pp.
10. FORNEY, K. A. 2000. Environmental models of cetacean abundance: reducing uncertainty in population trends. Conservation Biology 14:1271-1286.
11. FROST, K. J., L. F. LOWRY AND J. M. VER HOEF 1999. Monitoring the trend of harbor seals in Prince William Sound, Alaska, after the Exxon Valdez oil spill. Marine Mammal Science 15:494-506.
12. GARROTT, R. A., B. B. ACKERMAN, J. R. CARY, D. M. HEISEY, J. R. REYNOLDS III AND J. R. WILCOX. 1994. Trends in counts of Florida manatees at winter aggregation sites. Journal of Wildlife Management 58:642-654.
13. GERRODETTE, T., AND D. P. DEMASTER. 1990. Quantitative determination of optimum sustainable population level. Marine Mammal Science 6:1-16.
14. HÄRKÖNEN, T., AND K. C. HÅRDING. 2001. Spatial structure of harbour seal populations and the implications thereof. Canadian Journal of Zoology 79:2115-2127.
15. HÄRKÖNEN, T., K. C. HÅRDING AND S. GUNNAR LUNNERYD. 1999. Age- and sex-specific behaviour in harbour seals Phoca vitulina leads to biased estimates of vital population parameters. Journal of Applied Ecology 36:825-841.
16. HURVICH, C. M., AND C. TSAI. 1989. Regression and time series model selection in small samples. Biometrika 76:297-307.
17. JEMISON, L. A., AND B. P. KELLY. 2001. Pupping phenology and demography of harbor seals (Phoca vitulina richardsi) on Tugidak Island, Alaska. Marine Mammal Science 17:585-600.
18. JOHNSON, D. H. 1999. The insignificance of statistical significance testing. Journal of Wildlife Management 63:763-772.
19. LINK, W. A., AND J. R. SAUER. 1997. Estimation of population trajectories from count data. Biometrics 53:488-497.
20. LOWRY, L. F., AND K. J. FROST. 1985. Biological interactions between marine mammals and commercial fisheries in the Bering Sea. Pages 41-61 in J. R. Beddington, R. J. H. Beverton and D. M. Lavigne, eds. Marine mammals and fisheries. George Allen & Unwin, London.
21. LOWRY, L. F., K. J. FROST, J. M. VER HOEF AND R. A. DELONG. 2001. Movements of satellite-tagged subadult and adult harbor seals in Prince William Sound, Alaska. Marine Mammal Science 17:835-861.
22. NRC. 1996. The Bering Sea ecosystem. National Research Council, Washington, DC.
23. OLESIUK, P. F. 1999. An assessment of the status of harbour seals (Phoca vitulina) in British Columbia. Canadian Stock Assessment Secretariat Research Document 99/33.
24. PIATT, J. F., AND P. ANDERSON. 1996. Response of common murres to the Exxon Valdez oil spill and long-term changes in the Gulf of Alaska. American Fisheries Society Symposium 18:720-737.
25. PITCHER, K. W. 1990. Major decline in number of harbor seals, Phoca vitulina richardsi, on Tugidak Island, Gulf of Alaska. Marine Mammal Science 6:121-134.
26. PITCHER, K. W., AND D. G. CALKINS. 1979. Biology of the harbor seal (Phoca vitulina richardsi) in the Gulf of Alaska. U.S. Department of Commerce, NOAA, OCSEAP Final Report 19(1983):231-310.
27. STIRLING, I., N. J. LUNN AND J. IACOZZA. 1999. Long-term trends in the population ecology of polar bears in western Hudson Bay in relation to climatic change. Arctic 52:294-306.
28. SURYAN, R. N., AND J. T. HARVEY. 1998. Tracking harbor seals (Phoca vitulina richardsi) to determine dive behavior, foraging activity, and haul-out site use. Marine Mammal Science 14:361-372.
29. THOMPSON, P. M. 1993. Harbour seal movement patterns. Symposium Zoological Society of London 66:225-239.
30. THOMPSON, P. M., AND J. HARWOOD. 1990. Methods for estimating the population size of common seals, Phoca vitulina. Journal of Applied Ecology 27:924-938.
31. THOMPSON, P. M., AND P. ROTHERY. 1987. Age and sex differences in the timing of the moult in the common seal, Phoca vitulina. Journal of Zoology, London 212:597-603.
32. THOMPSON, P. M., S. VAN PARIS AND K. M. KOVACS. 2001. Local declines in the abundance of harbour seals: implications for the designation and monitoring of protected areas. Journal of Applied Ecology 38:117-125.
33. TYNAN, C. T., AND D. P. DEMASTER. 1997. Observations and predictions of arctic climatic change: Potential effects of marine mammals. Arctic 50:308-322.
34. VER HOEF, J. M., AND K. FROST. In press. A Bayesian hierarchical model for monitoring harbor seal changes in Prince William Sound, Alaska. Environmental and Ecological Statistics.
35. WESTLAKE, R. L., AND G. M. O'CORRY-CROWE. 2002. Marco-geographic structure and patterns of genetics diversity in Pacific harbor seals (Phoca vitulina) from Alaska to Japan as revealed by mitochondrial DNA. Journal of Mammalogy 83:1111-1126.
36. WITHROW, D. E., AND T. R. LOUGHLIN. 1996. Abundance and distribution of harbor seals (Phoca vitulina richardsi) along the north side of the Alaska Peninsula and Bristol Bay during 1995. Annual report to the MMPA Assessment Program, Office of Protected Resources, NMFS, NOAA, 1335 East-West Highway, Silver Spring, MD 20910.