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Ice streams regulate most ice mass loss in Antarctica. Determining ice stream response to warmer conditions during the Pliocene could provide insights into their future behaviour, but this is hindered by a poor representation of subglacial topography in ice-sheet models.
For Emperor penguins (Aptenodytes forsteri), huddling is the key to survival during the Antarctic winter. Penguins in a … huddle are packed so tightly that individual movements become impossible, reminiscent of a jamming transition in … compacted colloids. It is crucial, however…
Euphausiids are vital components of many oceanic foodwebs. Due to their large size, they are key prey … species for many vertebrates, and several species are subject to commercial fisheries. The best studied … euphausiid species is Antarctic krill (Euphausia superba)…
The impact of ambient ultraviolet (UV)-B radiation on the endemic bryophyte, Grimmia … antarctici, was studied over 14 months in East Antarctica. Over recent decades, Antarctic … plants have been exposed to the largest relative increase in UV-B exposure as a result of … ozone depletion.
Over recent decades, Antarctic plants have been exposed to the … largest relative increase in UV-B exposure as a result of ozone … depletion. Open-sided plexiglass screens were used to reduce UV … levels by 77% over turves of the endemic Antarctic bryophyte, Grimmia antarctici…
Monitoring CO2 isotopes at Cape Grim commenced in 1976 (Goodman, 1980), using CO2 extracted from the air and returned to Aspendale for mass spectrometer analysis. The objective was to distinguish between terrestrial (including biosphere exchanges, deforestation and fossil fuel emissions)…
Macquarie Island is an exposure above sea-level of part of the crest of the Macquarie Ridge. The ridge marks the Australia-Pacific plate boundary south of New Zealand…
Islands in the Southern Ocean are susceptible to several land-based threats, including invasion by human-introduced biota, disturbance of wildlife or sites, and various forms of pollution.