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An experiment was conducted on an autoline longline vessel to derive a sink rate, and line weighting regime, that would minimise the capture of albatrosses based on knowledge of line sink rates and albatross diving abilities. Sink rates of lines deployed into propeller turbulence…
The diving behaviour of Adelie penguins Pygoscelis adeliae was studied with time-depth recorders at Dumont DUrville, Antarctica, during the breeding seasons in 1995/1996 and 1996/1997. We studied penguins foraging at all breeding stages, in various sea-ice conditions.
We present a comprehensive protistan data set for the southern Indian sector of the Southern Ocean, sampled during the Austral summer (January-March) of 1996. Cells from discrete water bottle samples were examined to gain both qualitative and quantitative information on the composition…
The foraging behaviour of Adélie penguins Pygoscelis adeliae was studied simultaneously at Shirley Island (SI, 110° E) and at Petrel Island (PI, 140° E) in approximate conjunction with the ship-based krill survey conducted on board the RSV Aurora Australis.
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This paper describes the diet and foraging behaviour of Adélie penguins (Pygoscelis adeliae) at Béchervaise Island during 1998-99, a season of low breeding success. Fifty six percent of nests with eggs failed during the three weeks following first hatch. A breeding success of 0.
The seasonal variation in the foraging behaviour of king penguins Aptenodytes patagonicus was studied at Heard Island (53°05S, 73°30E) during 1992/93. On seven occasions throughout the breeding cycle…
Polar organisms have adapted their seasonal cycles to the dynamic interface between ice and water. This interface ranges from the micrometre-sized brine channels within sea ice to the planetary-scale advance and retreat of sea ice.