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Allocation of energy is as important as energy uptake for maintaining healthy life cycles and sustainable populations of krill. Environmental factors such as temperature and food availability play important roles in the physiological performance of krill.
Understanding basal processes across ice-sheet grounding lines is crucial in accurately modeling ice-sheet dynamics and estimating global sea-level rise. The grounding line, which demarcates the specific boundary between a grounded ice sheet and a floating ice shelf…
Global climate models and reanalysis products have revealed large, persistent downwelling shortwave radiation biases over the Southern Ocean and coastal Antarctica, likely caused by the incapability of models to accurately simulate frequent low-level mixed-phase clouds in these regions.
Over the past 37 years, satellite records show an increase in Antarctic sea ice cover that is most pronounced in the period of sea ice growth. This trend is dominated by increased sea ice coverage in the western Ross Sea, and is mitigated by a strong decrease in the Bellingshausen and Amundsen seas.
In response to a report of the incidental mortality of three juvenile humpback whales in the Antarctic … krill trawl fishery in Subareas 48.1 and 48.2 during the 2021 calendar year, SC-CAMLR reconvened … the Working Group on Incidental Mortality Associated with Fishing (WG-IMAF).
A workshop on future Australian-Japanese Antarctic cooperation was held on 12 June 2008 to exchange scientific information and to initiate a dialog to explore the way forward to further enhance and strengthen collaboration in Antarctic science between the two nations.
Chemistry–climate models are important tools for addressing interactions of composition and climate in the Earth system. In particular, they are used to assess the combined roles of greenhouse gases and ozone in Southern Hemisphere climate and weather.
For many species trophic interactions are difficult to study because of their cryptic habits and/or the unfavourable characteristics of samples for traditional diet techniques. DNA-based diet techniques are sensitive…
1. The management of non-indigenous species is not without its complications. In Bergstromet al.’s (2009) study, we demonstrated that feral cats Felis catus on sub-Antarctic Macquarie Island were exerting top-downcontrol on the feral rabbit Oryctolagus cuniculus population…
Arctic ecosystems and global climate are closely related. This paper studies the distributions and the coupling relationship between Chlorophyll a (Chl a) and aerosol optical thickness (AOD) in Greenland Sea (10 degrees W - 10 degrees E, 70 degrees N - 85 degrees N)…
1. The likelihood that seabirds will be hooked and drowned in longline fisheries increases when baited hooks sink slowly. Fishermen target different fishing depths by setting the mainline through a line shooter, which controls the tension (or slackness) in the line.
Circumpolar Deep Water (CDW) is the most extensive water mass in the Australian Circumpolar Current (ACC). Upper CDW (UCDW) is studied here over the period 1958-2005 using Simple Ocean Data Assimilation (SODA) reanalysis data.
We applied a multivariate statistical modelling technique called boosted regression trees to derive relationships between environmental conditions and the distribution of the adult stage of the cyclopoid copepod Oithona similis in the Southern Ocean.
The Phase A design study of PILOT|the Path nder for an … International Large Optical Telescope|has demonstrated that a wide- … eld 2.5 m optical/IR telescope can be constructed at Concordia for a … reasonable cost. There are no technical \show stoppers"…
Preliminary results are presented from the first validation of geophysical data products (ice concentration, snow thickness on sea ice (hs) and ice temperature (TI ) from the NASA EOS Aqua AMSRE sensor, in East Antarctica (in September–October 2003).
We investigate using relative amounts of … prey DNA recovered from pinniped faeces to obtain … diet composition data. Faeces were obtained from … captive sea lions being fed a diet containing three fish … species (50%, 36% and 14% by mass).
[1] The flow of water beneath the Antarctic Ice Sheet has … recently been shown to involve drainage from and exchange … between subglacial lakes, with flow routing over distances … of >100km. As subglacial water is known to be important to … ice-sheet dynamics…
Potential Adélie penguin breeding habitat (defined as ice-free land with area >4000 m2 and within 500 m of the ocean) in the Australian Antarctic Territory (AAT) was mapped using a GIS…
A high-resolution, offline ocean general circulation model, incorporating a realistic parameterization of … mixed layer convection, is used to diagnose pathways and time scales of Southern Hemisphere intermediate, mode, and lower thermocline water ventilation.
Neutron monitors are integral detectors of secondary cosmic rays. Since each of them … has its own detection efficiency, energy spectra cannot readily be derived from their … observations. To circumvent this problem…
Airgun ‘shots’ from seismic surveys are powerful enough to be heard across ocean basins. At … close range, though, there is extraordinarily little understanding of the potential for these intense … sounds to cause temporary or permanent hearing threshold shifts (TTS/PTS) in marine … mammals.
A barotropic tidal model has been applied to the Amery Ice Shelf cavity and Prydz … Bay region of East Antarctica. The sensitivity of the tidal solution of the model to … variation of the water column thickness of the Amery Ice Shelf cavity has been … determined.
Abstract Isotoma klovstadi Carpenter, 1902 was one of … the first Collembola described from the Antarctic continent. It was first collected in November 1899 during the … British Antarctic Expedition on the north coast of Victoria … Land in the Ross Sea region.