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Integrated metamorphic and geochronological data place new … constraints on the metamorphic evolution of a Neoproterozoic … orogen in east Antarctica. Granulite-facies rocks from a 150 km … stretch of the Kemp Land coast reflect peak conditions involving … T870^9908C at P74^10 kbar…
Mineral equilibria modelling and electron microprobe chemical dating of monazite in granulite facies … metapelitic assemblages from the MacRobertson Land coastline, Rayner Complex, east Antarctica, are … consistent with an !anticlockwise" Neoproterozoic P–T–t path. Metamorphism occurred at c.
Many modern spatially explicit ecosystem models use modelling subdomains of different … shape and size (‘polygons’) to resolve space, and movement of biomass between them forms … an important part of the modelling effort. In marine applications…
This overview describes an international scientific cooperation between Brazil, USA and Japan, for an … integrated research program developed in south of Brazil for observations of solar-terrestrial interactions … and geospace.
Abstract The diet of pinnipeds is most commonly … inferred from morphologically diagnostic remains of prey … in their scats. Although this method can generate quantitative … estimates of diet simply, important prey types may not … always be detected.
Pelagic longline and trawl fisheries are known to kill large numbers of albatrosses worldwide. However, the impact on individual species and populations has rarely been assessed, often … because many albatross species are difficult to identify. Shy albatrosses (Thalassarche … cauta)…
ABSTRACT. The Committee for Environmental Protection (CEP) was established under the Protocol on … Environmental Protection to the Antarctic Treaty to advise the Antarctic Treaty Consultative Meeting (ATCM) on … matters relating to protection of the Antarctic environment.
Macquarie Island is an oceanic island located 1000k m south-east of Tasmania.The island, which lies close … to but north of the Antarctic Convergence is the southern most island in the world with a fairly complete cover of … vegetation. However…
The area surrounding the Antarctic that is annually covered by sea ice is one of the most conspicuous and well-defined oceanic … regions on the planet. In winter, 19 million km2 are ice-covered and in summer only 4 million km2 of sea ice remains.
ABSTRACT. In November 2005, the first comprehensive survey for Ad´elie penguin (Pygoscelis adeliae) breeding … sites in the Robinson Group of islands, situated 25 to 55 km east of Australia’s Mawson station (67.602◦S, 62.879◦E) was conducted.
Using steel pins inserted into growing moss … colonies near Casey Station, Wilkes Land, continental … Antarctica, we have measured the growth rate of three … moss species: Bryum pseudotriquetrum and Schistidium … antarctici over 20 years and Ceratodon purpureus … over 10 years.
AB: Spectral calibrations, airglow and possibly auroral contaminations, solar and telluric absorption features and the selection of transition probabilities can all influence rotational temperatures derived from measurements of hydroxyl airglow intensities.
AB: Hydroxyl (6-2)-band rotational temperature observations have been accumulated at Davis station, Antarctica (68°S, 78°E) over 12 consecutive years since 1995.