The size and status of the population of southern sea lions Otaria flavescens in the Falkland Islands

Biological Conservation

Volumn 121, Issue 3, 2005, Pages 357-367

  Thompson, David ^a   Strange, Ian ^b   Riddy, Michael ^c   Duck, Callan D ^a  

^a UNIVERSITY OF ST ANDREWS   (United Kingdom)

^b New Island Conservation Trust   (Falkland Islands (Malvinas))

^c DT2 7AA   (United Kingdom)

Author keywords

Census; Decline; Exploitation; Falkland Islands; Otaria flavescens; Population; Sea lion

Indexed keywords

CENSUS; MARINE MAMMAL; POPULATION DECLINE; POPULATION SIZE; SURVEY;

ATLANTIC ISLANDS; ATLANTIC OCEAN; FALKLAND ISLANDS (MALVINAS);

OTARIA FLAVESCENS; OTARIIDAE; PANTHERA LEO;

EID: 4344584979     PISSN: 00063207     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.biocon.2004.05.008     Document Type: Article

References (32)

1. Campagna C. The breeding cycle of the southern sea lion, (Otaria byronia). Marine Mammal Science. 1:1985;210-218
2. Campagna C. Southern sea lions (letter to editor). Marine Mammal Science. 1:1985;340
3. Campagna C., Bisioli C., Quintana F., Perez F., Vila A. Group breeding in sea lions: pups survive better in colonies. Animal Behaviour. 43:1992;541-548
4. Campagna C., Leboeuf B.J. Reproductive-behavior of southern sea lions. Behaviour. 104:1988;233-261
5. Campagna C., Leboeuf B.J., Cappozzo H.L. Group raids - a mating strategy of male southern sea lions. Behaviour. 105:1988;224-249
6. Campagna C., Leboeuf B.J., Cappozzo H.L. Pup abduction and infanticide in southern sea lions. Behaviour. 107:1988;44-60
7. Clausen A.P., Putz K. Recent trends in diet composition and productivity of gentoo, magellanic and rockhopper penguins in the Falkland Islands. Aquatic Conservation - Marine and Freshwater Ecosystems. 12:2002;51-61
8. Crespo E.A., Pedraza S.N. Estado actual y tendencia de la poblacion de lobos marinos de un pelo (Otaria flavescens) en el litoral norpatagonico (Spanish). Ecologia Austral. 1:1991;87-95
9. Croxall, J.P., Evans, P.G.H., Schreiber, R.W. (Eds.), 1984. Status and conservation of the world's seabirds. International Council for Bird Preservation Technical Publication No. 2. 778 pp
10. Hamilton J.E. The southern sea lion (Otaria byronia) (de Blainville). Discovery Reports. 8:1934;269-318
11. Hamilton J.E. A second report on the southern sea lion (Otaria byronia) (de Blainville). Discovery Reports. 19:1939;121-164
12. Harwood J. The effect of management policies on the stability and resilience of British grey seal populations. Journal of Applied Ecology. 15:1978;413-421
13. Harwood J., Prime J.H. Some factors affecting the size of British grey seal populations. Journal of Applied Ecology. 15:1978;401-411
14. Hoelzel A.R. Killer whale predation on marine mammals at Punta Norte, Argentina: food sharing, provisioning and foraging strategy. Behavioral Ecology and Sociobiology. 29:1991;197-204
15. Leslie P.H. On the use of matrices in certain population mathematics. Biometrika. 33:1945;183-212
16. Louglin T.R., York A.E. An accounting of the sources of Steller sea lion (Eumetopias jubatus) mortality. Marine Fisheries Review. 62:2000;40-45
17. National Marine Fisheries Service, 1995. Status review of the United States Steller sea lion (Eumetopias jubatus) population. US Department of Commerce, NOAA, National Marine Mammal Laboratory, AFSC, 7600 Sand Point Way NE, Seattle, WA 98115, p. 61
18. Pitcher K.W., Calkins D.G. Reproductive-biology of Steller sea lions in the Gulf of Alaska. Journal of Mammalogy. 62:1981;599-605
19. Pitcher K.W., Calkins D.G., Pendleton G.W. Reproductive performance of female Steller sea lions: an energetics-based reproductive strategy? Canadian Journal of Zoology - Revue Canadienne De Zoologie. 76:1998;2075-2083
20. Putz K., Ingham R.J., Smith J.G. Satellite tracking of the winter migration of Magellanic Penguins (Spheniscus magellanicus) breeding in the Falkland Islands. Ibis. 142:2000;614-622
21. Putz K., Ingham R.J., Smith J.G. Foraging movements of magellanic penguins (Spheniscus magellanicus) during the breeding season in the Falkland Islands. Aquatic Conservation - Marine and Freshwater Ecosystems. 12:2002;75-87
22. Putz K., Ingham R.J., Smith J.G., Croxall J.P. Population trends, breeding success and diet composition of gentoo (Pygoscelis papua), magellanic (Spheniscus magellanicus) and rockhopper (Eudyptes chrysocome) penguins in the Falkland Islands. Polar Biology. 24:2001;793-807
23. Putz K., Ingham R.J., Smith J.G., Luthi B.H. Winter dispersal of rockhopper penguins (Eudyptes chrysocome) from the Falkland Islands and its implications for conservation. Marine Ecology - Progress Series. 240:2002;273-284
24. Reijnders, P., Brasseur, S., van der Toorn, J., van der Wolf, P., Boyd, I., Harwood, J., Lavigne, D., Lowry, L., 1993. Seals, fur seals, sea lions and walrus
25. Reyes L.M., Crespo E.A., Szapkievich V. Distribution and population size of the southern sea lion (Otaria flavescens) in central and southern Chubut, Patagonia, Argentina. Marine Mammal Science. 15:1999;478-493
26. Sease, J.L., Taylor, W.P., Loughlin, T.R., Pitcher, K.W., 2001. Aerial and land-based surveys of Steller sea lion (Eumetopias jubatus) from the western stock in Alaska, June and July 1999 and 2000. NOAA Technical Memorandum, NMFS-AFSC-122, pp. 60
27. Strange I. Sea lion survey in the Falklands. Oryx. 15:1979;175-184
28. Thompson D., Duck C.D., McConnell B.J., Garrett J. Foraging behaviour and diet of lactating female southern sea lions (Otaria flavescens) in the Falkland Islands. Journal of Zoology. 246:1998;135-146
29. Vaz Ferreira R. Behaviour of the southern sea lion(Otaria flavescenns) Shaw, in the Uruguayan Islands. Rapport et ProcŠs - Verbaux des R,unions du Conseil Permanent International pour l'Exploration de la Mer ICES. 169:1975;219-227
30. Vaz Ferreira R. Factors affecting numbers of sea lions and fur seals on the Uruguayan Islands. Rapport et ProcŠs - Verbaux des R, unions du Conseil Permanent International pour l'Exploration de la Mer ICES. 169:1975;257-262
31. Vaz-Ferreira, R., 1981. South American sea lion, (Otaria flavescens) (Shaw, 1800). In: Ridgway, S.H., Harrison, R.J. (Eds.), Handbook of Marine Mammals. The Walrus, Sea Lions, Fur Seals and Sea Otter. vol. 1, Academic Press, San Diego, CA, pp. 39-65
32. York A.E. The population-dynamics of northern sea lions, 1975-1985. Marine Mammal Science. 1994;10:38-51