Variability in the diving activity of Antarctic fur seals, Arctocephalus gazella, at Iles Kerguelen

By Mary‐Anne Lea, Mark A. Hindell, C. Guinet, S. Goldsworthy. Polar Biology, 2002

84 citations recorded by the source corpus.

Abstract. Intra-population variation in diving behaviour of lactating Antarctic fur seals (Arctocephalus gazella) was studied at the Kerguelen Archipelago (49°07'S, 70°45'E) during the austral summers of 1998–2000. Dive data were successfully recorded for 112 seals equipped with time-depth recorders during 117 foraging trips. All seals displayed bouts of diving activity and the nocturnal foraging behaviour typical of otariids preying on pelagic fish and squid. Mean dive depth (53 m) was considerably deeper than recorded for this species at other sites. Four diving behaviour groups were identified: (1) deep divers (n=60); (2) shallow-active divers (n=45); (3) shallow divers (n=9); (4) daytime divers (n=3). The distribution of trips assigned to the various behavioural dive groups varied significantly between years. Antarctic fur seals at Kerguelen exhibit flexible diving strategies both within and between populations in response to changes in environmental conditions and prey availability. Electronic supplementary material to this paper can be obtained by using the Springer Link server located at http://dx.doi.org/10.1007/s00300-001-0339-6.

Subfields: Atmospheric Science, Ecology, Oceanography

View Paper: https://www.semanticscholar.org/paper/c6a266690cf6fdbd88b1c245be252570166222c1

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Atmospheric Science

1. Daniel P. Costa
2. C. Guinet
3. Mark A. Hindell
4. C. Bost
5. J. Charrassin
6. J. Estes

In Ecology

1. Daniel P. Costa
2. C. Guinet
3. Mark A. Hindell
4. F. Bailleul
5. C. Bost
6. J. Charrassin
7. M. Tinker
8. Yves Handrich

In Oceanography

1. C. Guinet
2. J. Estes
3. Mark A. Hindell

Citations in the corpus

• Individual dietary specialization and dive behaviour in the California sea otter: Using archival time–depth data to detect alternative foraging strategies (2007, background): “Such dietary data can be acquired using a variety of techniques including stomach flushing (Radl and Culik, 1999; Tremblay and Cherel, 2003), colon flushing (Staniland et al., 2004), or fatty-acid analysis (Lea et al., 2002a; Iverson et al., 2004).”
• Identifying foraging events in deep diving southern elephant seals, Mirounga leonina, using acceleration data loggers (2013, result): “This is consistent with numerous studies that use dive bouts to infer instances of a forager exploiting discrete prey patches (e.g. Boyd, 1996; Harcourt et al., 2002; Lea et al., 2002; Mori et al., 2002, 2005).”