5689 to 5700 of 13980 results
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Read more of: Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies
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Food and feeding ecology of Wilson’s storm petrel Oceanites oceanicusat South Georgia
Read more of: Food and feeding ecology of Wilson’s storm petrel Oceanites oceanicusat South GeorgiaAt South Georgia, the diet of Wilson’s storm petrel was studied using the regurgitates of adults arriving to feed chicks. Feeding frequency and meal size were estimated by weighing chicks […]
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Diving patterns in relation to diet of Gentoo and Macaroni penguins at South Georgia
Read more of: Diving patterns in relation to diet of Gentoo and Macaroni penguins at South GeorgiaThe depthsa ttainedo n 1,444d ivesb y 14 GentooP enguins(P ygosceliPs apua) and 6,352d ivesb y eightM acaroniP enguins(E udyptesc hrysolophusw)e re recordedt,o gether with the timing and durationo f […]
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Intraspecific allometry of neonatal size in the Antarctic fur sea (Arctocephalus galapagoensis)
Read more of: Intraspecific allometry of neonatal size in the Antarctic fur sea (Arctocephalus galapagoensis)Intraspecific allometry of pup mass as a function of maternal mass was analysed in Antarctic fur seals (Arctocephalus gazella), a highly dimorphic species. The allometric exponent was 0.6, much lower […]
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Use of cloacal sexing techniques in mark-recapture estimates of breeding population size in Wilson’s stormpetrel Oceanites oceanicus at South Georgia
Read more of: Use of cloacal sexing techniques in mark-recapture estimates of breeding population size in Wilson’s stormpetrel Oceanites oceanicus at South GeorgiaMany stormpetrel species breed in habitats where their populations cannot be estimated by direct counts of burrows or birds; mark-recapture experiments have been confounded by the presence of many wandering […]
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Laboratory and field estimates of the rate of faecal pellet production by Antarctic krill, Euphausia superba
Read more of: Laboratory and field estimates of the rate of faecal pellet production by Antarctic krill, Euphausia superbaThe time course of faecal pellet production (egestion) was monitored in January 1985 for a population of Antarctic krill, Euphausia superba Dana, maintained in flowing seawater aquaria at Palmer Station, […]
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Seasonality in the antarctic marine environment
Read more of: Seasonality in the antarctic marine environment1. The Southern Ocean is characterized by the combination of a low but stable temperature with a markedly seasonal pattern of primary production. It therefore offers an environment where the […]
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The Siple VLF transmitter as a multi-frequency probe of the Earth-ionosphere waveguide
Read more of: The Siple VLF transmitter as a multi-frequency probe of the Earth-ionosphere waveguide1983 receptions of subionospheric signals radiated from Siple, Antarctica (L = 4.3) to neighboring stations Palmer (L = 2.3), Halley (L = 4.3), and South Pole (Λ = 74°), each […]
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Cold tolerance of microarthropods
Read more of: Cold tolerance of microarthropods1. Microarthropods (Acari and Collembola) are dominant components of the terrestrial fauna in the Antarctic. Their cold tolerance, which forms the mainspring of their adaptational strategy, is reviewed against a […]
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Lithostratigraphy of Upper Jurassic-Lower Cretaceous strata of eastern Alexander Island, Antarctica
Read more of: Lithostratigraphy of Upper Jurassic-Lower Cretaceous strata of eastern Alexander Island, AntarcticaAs a result of recent field work, the 4000m thick Kimmeridgian-Albian Fossil Bluff Formation of eastern Alexander Island is elevated to Group status (Fossil Bluff Group). Four formations are recognised […]