Super cena
Antarctic fur seals - Lea Mary-Anne
In 1997, the largest El Nino Southern
Oscillation event on record began to take shape in the
Pacific Ocean. At this time, many of the complex
oceanographic interactions and teleconnections between the
World's oceans were little studied and the effects of
climate-induced changes in oceanography on marine vertebrate
predators were poorly understood. Each austral summer at the
Kerguelen Archipelago in the southern Indian Ocean, a
diversity of marine predators return from winters spent in
the Southern Ocean, to breed. This study, which formed part
of multi-disciplinary predator-prey study, examined the
inter-relationships between the foraging ecology of breeding
female Antarctic fur seals, their mesopelagic prey,
oceanographic conditions and the success of pup rearing from
year to year. The responses of female Antarctic fur seals to
changing oceanographic conditions within their foraging
range were highly variable over the three years, revealing a
complexity of foraging strategies for this species at
Kerguelen. This body of work provides a comprehensive
summary of the effects of oceanographic variability and
associated changes in prey availability on the adaptable
Antarctic fur seal.
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