Publications

10873 to 10884 of 13722 results

1. Modelling the impact of fishery incidental mortality on three populations of wandering albatross

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2. The relationship between variations of the atmospheric electric field in the southern polar region and thunderstorm activity

   Observations of the atmospheric, near-surface vertical electric field component E-z have been carried out at the Russian-Antarctic station, Vostok, since 1998 under the framework of a cooperative Russian-Australian project. Only […]

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3. A new Snow-SVAT to simulate the accumulation and ablation of seasonal snow cover beneath a forest canopy

   A new snow-soil-vegetation-atmosphere transfer (Snow-SVAT) scheme, which simulates the accumulation and ablation of the snow cover beneath a forest canopy, is presented. The model was formulated by coupling a canopy […]

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4. Marine predators at South Georgia: an overview of recent bio-logging studies

   There is a unique diversity and density of land-based marine predators breeding at Bird Island, South Georgia, operating at a wide variety of spatial and temporal scales. These provide exceptional […]

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5. Image analysis of color aerial photography to estimate penguin population size

   Penguin populations are potentially sensitive indicators of ecological change in Antarctic and sub-Antarctic marine ecosystems. Aerial photographic surveys provide the most robust method for estimating breeding population size, particularly for […]

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6. Tissue distribution of retinoids in common dolphins Delphinus delphis

   Exposure to organochlorines induces retinoid deficiency in mammals; hence, retinoids are potential biomarkers of the impact of these pollutants. Appropriate target tissues to monitor retinoids in cetaceans have not been […]

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7. Retinoid and lipid patterns in the blubber of common dolphins (Delphinus delphis): implications for monitoring vitamin A status

   We determined retinoid concentrations in various body positions of the blubber of 25 common dolphins (Delphinus delphis) to study topographical variation in concentrations. Specimens were obtained from incidental catches and […]

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8. Tracking passive drifters in a high resolution ocean model: implications for interannual variability of larval krill transport to South Georgia

   A particle tracking scheme that uses velocity output from an interannually varying forced run of a global ocean circulation model (Parallel Ocean Climate Model; POCM_4C) allows variability in the transport […]

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9. An evaluation of two spatial interpolation techniques in global sea-surface temperature reconstructions: Last Glacial Maximum and Pliocene case studies

   Global estimates of sea-surface temperature (SST) distributions represent an important prescribed boundary condition for atmosphere-only general circulation models (AGCMs) which aim to Simulate the behaviour of the past climate system. […]

   Read more of: An evaluation of two spatial interpolation techniques in global sea-surface temperature reconstructions: Last Glacial Maximum and Pliocene case studies

10. Winter distribution and behaviour of gentoo penguins Pygoscelis papua at South Georgia

    Knowledge of the spatial and temporal dynamics of foraging penguins is important to our understanding of the Southern Ocean marine ecosystem. We use satellite tracking to provide the first data […]

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11. Penguin-mounted cameras glimpse underwater group behaviour

    Marine birds and mammals spend most of their lives in the open ocean far from human observation, which makes obtaining information about their foraging behaviour difficult. Here, we show, by […]

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12. Krill-feeding behaviour in a chinstrap penguin Pygoscelis antarctica compared with fish-eating in Magellanic penguins Spheniscus magellanicus: a pilot study

    Inferring feeding activities from undulations in diving depth profiles is widespread in studies of foraging marine predators. This idea, however, has rarely been tested because of practical difficulties in obtaining […]

    Read more of: Krill-feeding behaviour in a chinstrap penguin Pygoscelis antarctica compared with fish-eating in Magellanic penguins Spheniscus magellanicus: a pilot study