Mawson Coast


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Mawson Coast

 

the name of the central and western parts of the coast of Mac-Robertson Land in eastern Antarctica. The coast is the edge of a continental ice cap whose surface rises steeply toward the interior, reaching 1, 000–1, 500 m at a distance of 50 km from the coast. There are numerous outcrops of bedrock. The coast was discovered by the British, Australian, and New Zealand Antarctic Research Expedition in 1930 and was named in honor of D. Mawson. The coast has been studied chiefly by Australian scientists; the Australian Mawson scientific station was established on the coast in 1954.

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The latest conflict between protesters and Japanese whaling vessels occurred January 15 when a grenade-tipped harpoon was targeted near Greenpeace activists off Mawson Coast, part of the Australian Antarctic Territory, about 2,000 nautical miles southwest of Perth.
To see where penguins go to fatten up, Wienecke's group fastened satellite trackers and dive recorders onto birds at two colonies along the Mawson Coast.
The study was undertaken between May and August 1993 at the Auster (67 [degrees] 23' S, 64 [degrees] 04' E) and Taylor Glacier (67 [degrees] 28' S, 60 [degrees] 54' E) colonies, which lie 150 km apart on the Mawson Coast of Antarctica.
6 g, the mean body mass of krill (excluding gravid females) caught during trawling on the Mawson Coast in January 1993 (G.
Satellite images of the Mawson Coast in June revealed that the continental shelf waters 80-240 km east of Auster were virtually free of thick sea ice (Fig.
The two satellite-tracked Auster females frequented waters in the region of the outer continental shelf and shelf slope [approximately equals] 90-110 km from the Mawson coast (near 67 [degrees] S; Fig.
When leaving the colony after egg-laying, the females headed in a N-NE direction toward the largest area of open water near the colony, a recurring polynya (a regular feature of the Mawson Coast sea ice) that extended south from the slope polynya and was situated over the outer continental shelf (Fig.
Moreover, Adelie Penguins (Pygoscelis adeliae), one-sixth the mass of emperors, often travel [is greater than] 100 km from their colony during foraging trips of [is less than] 3 wk duration from colonies on the Mawson coast (Kerry et al.
We wish to thank the Mawson 1993 winterers for assistance in the field, the Australian Antarctic Division's science support staff for construction of field equipment, Kate Piggot and Inzimam Ul-Haq for assistance in sorting the stomach content samples, Dick Williams for identification of fish species, Norbet Klages for the squid identification lesson, Keith Newgrain for energy determinations of the food, Steve Pendelbury for access to files of satellite images of the Mawson Coast, John Cox for assistance with preparing the maps, and Melissa Giese, Colin Southwell, Kim Sullivan, and two anonymous referees for their constructive comments on the manuscript.
The foraging ecology of Emperor Penguins (Aptenodytes forsteri) at two Mawson Coast colonies, Antarctica.