Foraging responses of Antarctic fur seals to changes in the marine environment

Marine Ecology Progress Series

Volumn 166, Issue , 1998, Pages 285-299

  McCafferty, Dominic J ^a   Boyd, Ian L ^a   Walker, Tony R ^a   Taylor, Robert I ^a  

^a BRITISH ANTARCTIC SURVEY   (United Kingdom)

Author keywords

Antarctic fur seal; Environmental variation; Foraging; Seasonality Krill

Indexed keywords

BEHAVIOURAL RESPONSE; ENVIRONMENTAL VARIATION; FORAGING BEHAVIOUR;

ANTARCTICA; BIRD ISLAND; SOUTH GEORGIA;

ANIMALIA; ARCTOCEPHALUS GAZELLA; AVES; CEPHALOPODA; DECAPODA (CRUSTACEA); EUPHAUSIACEA; GAZELLA; PHOCIDAE; PINNIPEDIA; SCATOPHAGIDAE (FISHES);

EID: 0032575025     PISSN: 01718630     EISSN: None     Source Type: Journal    
DOI: 10.3354/meps166285     Document Type: Article

References (45)

1. Arnbom TA, Lunn NJ, Boyd IL, Barton T (1992) Aging live Antarctic fur seals and southern elephant seals. Mar Mamm Sci 8:37-43
2. Arnould JPY, Boyd IL (1995a) Inter- and intra-annual variation in milk composition in Antarctic fur seals (Arctocephalus gazella). Physiol Zool 68:1164-1180
3. Arnould JPY, Boyd IL (1995b) Temporal patterns of milk production in Antarctic fur seals (Arctocephalus gazella). J Zool Lond 237:1-12
4. Arnould JPY, Boyd IL, Socha DG (1996) Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups. Can J Zool 74:254-266
5. Boyd IL (1996) Temporal scales of foraging in a marine predator. Ecology 77 426-434
6. Boyd IL, Arnould JPY, Barton T, Croxall JP (1994) Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance. J Anim Ecol 63:703-713
7. Boyd IL, Croxall JP (1992) Diving behaviour of lactating Antarctic fur seals. Can J Zool 70:919-928
8. Boyd IL, Croxall JP, Lunn NJ, Reid K (1995) Population demography of Antarctic fur seals: the costs of reproduction and implications for life histories. J Anim Ecol 64: 505-518
9. Boyd IL, Lunn NJ, Barton T (1991) Time budgets and foraging characteristics of lactating Antarctic fur seals. J Anim Ecol 60:577-592
10. Boyd IL, Lunn NJ, Rothery P, Croxall JP (1990) Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate. Can J Zool 68: 2209-2213
11. Boyd IL, McCafferty DJ, Reid K, Taylor R, Walker TR (in press) Dispersal of male and female Antarctic fur seals (Arctocephalus gazella). Can J Fish Aquat Sci 55
12. Boyd IL, McCafferty DJ, Walker TR (1997) Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased foraging costs. Behav Ecol Sociobiol 40: 135-144
13. Boyd IL, McCann TS (1989) Pre-natal investment in reproduction by female Antarctic fur seals. Behav Ecol Sociobiol 24:377-385
14. Brierley AS, Watkins JL (1996) Acoustic targets at South Georgia and the South Orkney Islands during a season of krill scarcity. Mar Ecol Prog Ser 138:51-61
15. Brierley AS, Watkins JL, Murray AWA (1997) Interannual variability in krill abundance at South Georgia. Mar Ecol Prog Ser 150:87-98
16. Brown D, Rothery P (1993) Models in biology: mathematics, statistics and computing. John Wiley & Sons, Chichester
17. Clutton-Brock TH, Guiness FE, Albon SD (1982) Red deer. Behaviour and ecology of two sexes. Edinburgh University Press, Edinburgh
18. Costa DP, Croxall JP, Duck CD (1989) Foraging energetics of Antarctic fur seals in relation to changes in prey availability. Ecology 70:596-606
19. Croxall JP, Everson I, Kooyman GL, Ricketts C, Davis RW (1985) Fur seal diving behaviour in relation to vertical distribution of krill. J Anim Ecol 54:1-8
20. Croxall JP, McCann TS, Prince PA, Rothery P (1988) Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands 1976-1987: implications for Southern Ocean monitoring studies. In: Sahrhage D (ed) Antarctic ocean and resource variability. Springer-Verlag, Berlin, p 261-285
21. Croxall JP, Pilcher MN (1984) Characteristics of krill Euphausia superba eaten by Antarctic fur seals Arctocephalus gazella at South Georgia. Br Antarct Surv Bull 63:117-125
22. David JHM, Rand RW (1986) Attendance behaviour of South African fur seals. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land and at sea. Princeton University Press, Princeton, p 126-141
23. Doidge DW, Croxall JP (1985) Diet and energy budget of the Antarctic fur seal, Arctocephalus gazella, at South Georgia. In: Siegfried WR, Condy PR, Laws RM (eds) Antarctic nutrient cycles and food webs. Springer-Verlag, Berlin, p 543-550
24. Doidge DW, Croxall JP, Ricketts C (1984) Growth rate of Antarctic fur seal Arctocephalus gazella at South Georgia. Polar Biol 9:155-160
25. Doidge DW, McCann TS, Croxall JP (1986) Attendance behaviour of Antarctic fur seals. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land and at sea. Princeton University Press, Princeton, p 102-114
26. Everson I (1983) Variations in vertical distribution and density of krill swarms in the vicinity of South Georgia. Mem Natl Inst Polar Res 27:84-92
27. Fedoulov PP, Murphy E, Shulgovsky KE (1996) Environment-krill relations in the South Georgia marine ecosystem. CCAMLR Sci 3:13-30
28. Gentry RL, Holt JR (1982) Equipment and techniques for handling northern fur seals. NOAA Tech Rep NMFS SSRF No. 758, National Marine Fisheries Service Seattle, Washington
29. Gentry RL, Holt JR (1986) Attendance behaviour of northern fur seals. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land and at sea. Princeton University Press, Princeton, p 41-60
30. Gentry RL, Kooyman GL (1986) Introduction. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land and at sea. Princeton University Press, Princeton, p 3-27
31. Gentry RL, Kooyman GL, Goebel ME (1986) Feeding and diving behaviour of northern fur seals. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land and at sea. Princeton University Press, Princeton, p 61-78
32. Godlewska M (1996) Vertical migrations of krill (Euphausia superba Dana), Pol Arch Hydrobiol 43:9-63
33. Goebel ME (1988) Duration of feeding trips and age-related reproductive success of lactating females. In: Kozloff P, Kajimura H (eds) Fur seal investigations, 1985. WA NOAA Technical Memorandum NMFS-F/NWC-146, US Department of Commerce, National Marine Fisheries Service, Northwest and Alaska Fisheries Center, Seattle, p 28-33
34. Goldsworthy SD (1995) Differential expenditure of maternal resources in Antarctic fur seals, Arctocephalus gazella, at Heard Island, southern Indian Ocean. Behav Ecol 6: 218-228
35. Illius AW, Gordon IJ (1993) Diet selection in mammalian herbivores: constraints and tactics. In: Hughes RN (ed) Diet selection. An interdisciplinary approach to foraging behaviour. Blackwell, Oxford, p 157-181
36. Lunn NJ, Arnould JPY (1997) Maternal investment in Antarctic fur seals: evidence for equality in the sexes? Behav Ecol Sociobiol 40:351-362
37. Lunn NJ, Boyd IL, Barton T, Croxall JP (1993) Factors affecting the growth rate and mass at weaning of Antarctic fur seals at Bird Island, South Georgia. J Mammal 74:908-919
38. Lunn NJ, Boyd IL, Croxall JP (1994) Reproductive performance of female Antarctic fur seals: the influence of age, breeding experience, environmental variation and individual quality. J Anim Ecol 63:827-840
39. Priddle J, Croxall JP, Everson I, Heywood RB, Murphy EJ, Prince PA, Sear CB (1988) Long-term fluctuations in mesoscale abundance of krill - a discussion of possible causes. In: Sahrhage D (ed) Antarctic ocean and resource variability. Springer-Verlag, Berlin, p 169-182
40. Reid K, Arnould JPY (1996) The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia. Polar Biol 16:105-114
41. Reynolds RW, Smith TM (1994) Improved global sea surface temperature analysis. J Clim 7:929-948
42. Trillmich F (1986) Attendance behaviour of Galapagos fur seals. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land and at sea. Princeton University Press, Princeton, p 168-185
43. Trillmich F, Ono KA, Costa DP, DeLong RL, Feldkamp SD, Francis JM, Gentry RL, Heath CB, LeBoeuf BJ, Majiluf P, York AE (1991) The effects of El Niño on pinniped populations in the Eastern Pacific. In: Trillmich F, Ono KA (eds) Pinnipeds and El Niño. Responses to environmental stress. Ecological Studies 88, Springer-Verlag, Berlin, p 247-270
44. Wainwright PC (1994) Functional morphology as a tool in ecological research. In: Wainwright PC, Reilly SM (eds) Ecological morphology. Integrative organismal biology. University Chicago Press, London, p 42-59
45. Walker BG, Boveng PL (1995) Effects of time-depth recorders on maternal foraging and attendance behaviour of Antarctic fur seals (Arctocephalus gazella). Can J Zool 73: 1538-1544