Diurnal and seasonal occurrence of polar patches
Analysis of the diurnal and seasonal variation of polar patches, as identified in two years of HF-radar data from Halley, Antarctica during a period near sunspot maximum, shows that there […]
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Read more of: Diurnal and seasonal occurrence of polar patches
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Experimental fracture and mechanical properties of Antarctic ice: preliminary results
Read more of: Experimental fracture and mechanical properties of Antarctic ice: preliminary resultsAn experimental study of the fracture mechanics and rheology of ice from the Ronne Ice Shelf, Antarctica, is currently being undertaken. The apparent critical stress-intensity factor (or apparent fracture toughness, […]
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Krill caught by predators and nets: differences between species and techniques
Read more of: Krill caught by predators and nets: differences between species and techniquesSamples of Antarctic krill collected from 6 seabird species and Antarctic fur seal during February 1986 at South Georgia were compared to krill from scientific nets fished in the area […]
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The fish diet of black-browed albatross Diomedea melanophris and grey-headed albatrossD. Chrysostoma at South Georgia
Read more of: The fish diet of black-browed albatross Diomedea melanophris and grey-headed albatrossD. Chrysostoma at South GeorgiaThe fish component of the diet of black browed and grey-headed albatrosses at South Georgia was investigated by intercepting 155 meals from adults arriving to feed chicks during February 1986 […]
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
Read more of: The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South GeorgiaThe diet of lactating female Antarctic fur sealsArctocephalus gazella at South Georgia was investigated during the pup-rearing period (January/March) of 1991–1994. Antarctic krillEuphausia superba was the main prey item, occurring […]
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Giant sediment drifts on the continental rise west of the Antarctic Peninsula
Read more of: Giant sediment drifts on the continental rise west of the Antarctic PeninsulaMultichannel seismic reflection profiles from the continental rise west of the Antarctic Peninsula between 63° and 69°S show the growth of eight very large mound-shaped sedimentary bodies. MCS profiles and […]
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Geometry, motion and mass balance of Dyer Plateau, Antarctica
Read more of: Geometry, motion and mass balance of Dyer Plateau, AntarcticaGeodetic surveying and ground-based radar profiling were used to determine geometry and surface motion of the ice sheet on the Dyer Plateau, Antarctica, in the vicinity of an ice-core site […]
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Monzonite suites: the innermost Cordilleran plutonism of Patagonia
Read more of: Monzonite suites: the innermost Cordilleran plutonism of PatagoniaIn Patagonia a Triassic-Early Jurassic Cordilleran interior magmatic belt preceded the widespread eruption of Middle Jurassic syn-extensional rhyolites. Two plutons (La Calandria and La Leona) represent the easternmost plutonic rocks […]
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The structure and function of the tarsus I sensillar field in mites of the genusHalarachne(Halarachnidae: Gamasida)
Read more of: The structure and function of the tarsus I sensillar field in mites of the genusHalarachne(Halarachnidae: Gamasida)The sensillar field on tarsus I of Halarachne (Halarachnidae: Gamasida), a respiratory tract endoparasite of seals (Pinnipedia) is associated with 12 hair- or peg-like receptor sensilla in the larva and […]
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Edaphic oribatid mites (Cryptostigmata: Acarina) associated with an aquatic moss on sub-Antarctic South Georgia
Read more of: Edaphic oribatid mites (Cryptostigmata: Acarina) associated with an aquatic moss on sub-Antarctic South GeorgiaThe moss Drepanocladus uncinatus (Hedw.) Warnst., from coastal freshwater habitats on the sub-Antarctic island of South Georgia harbours two species of hemi-edaphic oribatid mite namely Edwardzetes elongatus Wallwork (Ceratozetidae) and […]