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Polar Regions are environmental ‘sinks’ for man-made, Persistent Organic Pollutants (POPs). The unique … biogeochemical processes governing POP behaviour in the Polar landscape are not understood yet underpin … our ability to predict their impact in Polar ecosystems.
The Southern Ocean is undergoing significant environmental change and is also being subjected to increasing anthropogenic demands in terms of fishing for krill and various fish species.
Despite being a ubiquitous and abundant component of the Southern Ocean ecosystem, pack-ice seals (crabeater, Ross and leopard seals) are notoriously difficult to census as they are sparsely distributed over large regions of remote pack-ice.
A new tool for rapidly assessing the risk of toxicity in metal contaminated environments will be developed and evaluated for use in polar ecosystems, with a goal of providing a surrogate tool for biological testing.
The fishery for Antarctic krill is managed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) which takes an ecosystem approach.
Australia, France and the European Union are leading a proposal for an East Antarctic Representative System of Marine Protected Areas (MPAs). Existing knowledge indicates that the East Antarctic margin consists of a diversity of benthic habitats, supporting diverse communities of benthic biota.
Sea ice algal photosynthesis and productivity is simultaneously affected by factors such as light, nutrients, micronutrients (e.g. iron), salinity and temperature.
Estimates of East Antarctica’s contribution to present-day sea-level change vary from +30 to -109 Giga-tonnes of meltwater per year, a range that is equivalent to more than 10% of the global-mean rate of sea-level change.
Heard Island is an active sub-Antarctic volcanic island located in the southern Indian Ocean and is the surface exposure of the second largest submarine plateau on Earth, the Kerguelen Plateau (Fig. 1). It is an Australian territory and together with McDonald Island is UNESCO World Heritage listed.
The Antarctic marine ecosystem is an important 'hot spot' of productivity, supporting global marine biodiversity through photosynthesis performed by microscopic marine plants (phytoplankton).