Publications matching your search query
Results 101 to 125 of 151
Antarctic terrestrial ecosystems are noted for their relative simplicity and limited trophic structure. In this context, knowledge of biotic … interactions in structuring terrestrial soil communities would seem beneficial from a theoretical perspective as well as from a conservation … perspective.
We carried out a comparative study using mtDNA (COI) for two free-living, endemic, terrestrial invertebrate taxa—the springtail Gomphiocephalus hodgsoni (Hypogastruridae) and the mite Stereotydeus mollis (Penthalodidae) collected from sites throughout Victoria Land and the Queen Maud Mountains…
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.
Throughout the Southern Hemisphere many terrestrial taxa have circum-Antarctic distributions. This pattern is generally … attributed to ongoing dispersal (by wind, water, or migrating birds) or relict Gondwanan distributions. Few of these … terrestrial taxa have extant representatives in Antarctica…
In this investigation different sorbent materials (MYCELX coated sand, granular activated carbon (GAC) and surfactantmodifed … zeolite (SMZ)) were tested for their suitability for capture of sparingly soluble hydrocarbons in soil water.
the glaciation and isolation of the Antarctic continent completed by ~10 million years ago, and not by the sequential break-up of Gondwana (completed by ~32 million years ago). More recently…
We sequenced the mitochondrial (mt) DNA cytochrome c oxidase subunit I gene to examine comparative phylogeographic patterns … for the springtail Gomphiocephalus hodgsoni and the mite Stereotydeus mollis throughout their ranges in southern Victoria Land, Antarctica.
Ice sheet modelling of Antarctica supports a generally accepted view that most, if not all, currently ice free ground would have been obliterated at the LGM or previous maxima. However…
A field trial for removal of dissolved metal contaminants in water from an abandoned waste disposal site, using ion-exchange … columns of an iminodiacetic acid chelating ion-exchange (IDA) resin, was conducted at Casey Station, Antarctica. An on-site … monitoring technique…
Salinity and lowtemperature effects on adsorption of contaminant metals from … water using an iminodiacetic acid (IDA) ion-exchange resin, were investigated under … dynamic flow conditions. The order of selectivity of the resin (20°C and 0% seawater) was: Cu2+Pb2+Cr3+ Ni2+Cd2+Zn2+ Low temperature…
I on exchange characteristics of Cu2þ on the natural zeolite clinoptilolite at 2 and 228C are … presented to facilitate the development of a permeable reactive barrier (PRB) to treat … heavy-metal contaminated waters in Antarctica.
Effects of salinity and low temperature on the removal of dissolved contaminant … metals from water by an iminodiacetic acid (IDA) ion-exchange resin, Amberlite … IRC748, were investigated under batch equilibrium conditions. As expected for ions … retained by chelation…
Sludge reduction and dewatering is an important aspect of water and waste water treatment. This is especially true in the case of … Australia’s Antarctic contaminated site remediation program…
Water collection and treatment is often required for effective cold regions contaminated site clean-up, where large volumes of … meltwater runoff might otherwise become contaminated during remediation activities and disperse pollutants into the surrounding … environment.
Two terrestrial Crustacea, Puhuruhuru patersoni (Amphipoda: Talitridae) and Styloniscus otakensis … (Isopoda: Styloniscidae), were discovered on sub-Antarctic Macquarie Island in 1991 and 1992, respectively. Each … species was identified as having been described, and previously only known…
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.
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…
Invasive species are a serious threat to biodiversity … worldwide. The relatively simple ecological … systems of the subantarctic have the potential to be signiWcantly … damaged by predatory species that invade. Two species of exotic, predatory…