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A methodology for the on-site chemical assessment of contaminant metals in soil was successfully … developed, tested and employed to facilitate the clean-up of the abandoned Thala Valley waste disposal site … at Australia’s Casey station in 2003/04.
Total numbers of adult female southern elephant … seals (cows) breeding at Macquarie Island were … determined for 19 of the 52 year period between 1952 and … 2004. Totals for 1952-1987 (exc. 1959 and 1985)…
A second orchid species, Nematoceras … sulcatum M.A.Clem. et D.L.Jones, has been found on … subantarctic Macquarie Island. A history of its discovery … and recognition is provided. The morphology, biology and ecology of the new species are compared … with N. dienemum (D.L.Jones) D.L.Jones, M.A.Clem.
Improved testing and remediation procedures for sites … contaminated with petroleum hydrocarbons are a priority … in remote cold regions such as Antarctica, where costs are … higher and remediation times are longer.
Long term acoustic records of underwater sound can be used to assess the timing of migrations, peak periods of … relative abundance, and seasonality and overlap of different species’ presence over large spatial scales.
The effect of different light regimes on physiological parameters (feeding activity, oxygen consumption, and … activity of the metabolic enzyme malate dehydrogenase [MDH]) of Antarctic krill, Euphausia superba, was studied … over 12 weeks under laboratory conditions.
Krill are thought to be predominantly herbivorous, but a heterotrophic diet might be crucial for … their growth and survival. To compare the influence of herbivory and carnivory on krill we conducted a nine … month feeding trial. We examined lipid composition of the hepatopancreas…
Antarctic krill has been studied for many decades, but we are still long way from understanding … their biology to be able to make reliable predictions about the reaction of their populations to environmental … change. This is partly due to certain difficulties in relation to logistics…
Hundreds of thousands of seabirds are killed each year as a result of interacting with longline … and trawl fishing operations, and the severity of the impact varies regionally. Shy and whitecapped … albatrosses, Thalassarche cauta and Thalassarche steadi respectively…
Underwater vocalization monitoring and surveys, both on ice and underwater were used to determine if Weddell seals( Leptonychotews eddellit)n ear Mawson Station, Antarctica, remain under the fast ice during winter within close range of breeding … sites.
Natural attenuation of petroleum hydrocarbons in polar and subpolar soils is limited by low nutrients, low temperatures, and … water availability.
Water collection and treatment is often required for effective cold regions contaminated site clean-up. Large volumes of … meltwater runoff can become contaminated during remediation activities and disperse pollutants into the surrounding environment.
Sub-Antarctic islands have been subjected to petroleum hydrocarbon spills, yet no information is available regarding … the toxicity of petroleum hydrocarbons to these subpolar soils.
ABSTRACT: Environmental conditions experienced in early life affect growth and influence life history … strategies, especially in seasonal environments.
The leopard seal is a top-order predator in … the Southern Ocean ecosystem and preys on a wide … variety of vertebrate species including seals and penguins. We assessed the use of hairs found in leopard … seal scats to identify the species of pinniped consumed.
A chelating ion-exchange resin, Rhom and Haas Amberlite IRC 748, was investigated for the exchange of … copper and sodium from aqueous solutions at four different temperatures. A two-parameter temperaturedependent…
The Australian Community Ocean Model (AusCOM) is an initiative by the Australian climate … sciences community (including government and academic research laboratories) towards a unified … coupled ocean-seaice model for climate applications.
In this study, we measure the silicon-isotopic composition d29Si,%, relative to NBS28 … quartz standard) of dissolved silicon and biogenic silica collected by sequential melting … from spring Antarctic pack ice collected near 117E-64.5S.
Southern Ocean waters are highly productive and contain important food resources for … many indigenous predators, including humans. Management of these resources has fallen under … the regulation of the Convention for the Conservation of Antarctic Marine Living Resources … (CCAMLR)…