Archives: Publications
Protremaster, a new Lower Jurassic genus of asteroid from Antarctica
1 January, 1985
A new and well-preserved.asteroid, Protremaster uniserialis (gen. & sp.nov.) is described from the Lower Jurassic (Sinemurian) of Antarctica. This find extends the fossil record of the family Asterinidae and the…Read more on Protremaster, a new Lower Jurassic genus of asteroid from Antarctica
A statistical analysis of the relationships among viable microbial populations, vegetation, and environment in a subantarctic tundra
1 January, 1985
Parametric and nonparametric analyses were used to investigate the relationships between the populations of viable microbes and 4 edaphic variables — soil moisture, rainfall, temperature, and pH. Microbial populations were…New southernmost record for Antarctic flowering plants
1 January, 1985
Smith (1982) reported the discovery in 1981 of Antarctic hair grass Deschampsia antarctica Desv. on the largest of the Refuge Islands (68° 21' S) in Marguerite Bay, off the south-west…Read more on New southernmost record for Antarctic flowering plants
The natural history of Beauchêne Island
1 January, 1985
Beauchêne Island is the most isolated of the Falkland Islands archipelago and until the authors' visit there in 1980 little was known or published about the island and its biota…Ignimbrites of the Cerro Galan caldera, NW Argentina
1 January, 1985
The 35 × 20 km Cerro Galán resurgent caldera is the largest post-Miocene caldera so far identified in the Andes. The Cerro Galán complex developed on a late pre-Cambrian to…Read more on Ignimbrites of the Cerro Galan caldera, NW Argentina
First measurements of thermospheric winds in Antarctica by an optical ground-based method
1 January, 1985
The installation of a Fabry–Perot interferometer at Halley (75.5° S, 26.8° W; L = 4.2), Antarctica, has now allowed the first comparison to be made between Southern Hemisphere ground-based thermospheric…Crustal growth of the Antarctic Peninsula by accretion, magmatism and extension
1 January, 1985
A subduction-accretion model incorporating new geophysical data is presented to explain the geology of the Antarctic Peninsula from late Palaeozoic to Cenozoic time. According to the model, the peninsula consists…Read more on Crustal growth of the Antarctic Peninsula by accretion, magmatism and extension
Petrogenesis of metamorphic rocks within a subduction-accretion terrane, Signy Island, South Orkney Islands
1 January, 1985
Whole‐rock and mineral analyses of polydeformed mica‐schist, quartzite, marble and amphibolite are presented from Signy Island, South Orkney Islands, part of the Scotia metamorphic complex. Whole‐rock chemistry suggests that the…A distant look at the cryosphere
1 January, 1985
Ninety nine per cent of all the fresh water on the surface of the Earth is in the form of ice. Observations from space have revealed more about the ice…Profile: Albert Borlase Armitage
1 January, 1985
Albert Armitage was the second in command of both the Jackson-Harmsworth expedition of 1884–1897 and R. F. Scott's British National Antarctic Expedition, 1901–1904. He never led an expedition himself; as…Nocturnal changes in the mean length of a euphausiid population: vertical migration, net avoidance, or experimental error?
1 January, 1985 by Jonathan Watkins
The lengths of 9 421 Antarctic krill, Euphausia superba Dana, from 144 net samples from 4 depth ranges at the same location (north east of South Georgia) were measured over…Closer to a true value for heavy metal concentrations in recent Antarctic snow by improved contamination control
1 January, 1985 by Eric Wolff
Recent snow from two sites in the Antarctic Peninsula has been analyzed for Al, Cd, Cu, Pb and Zn. Measurement of full procedural blanks and of the extent of penetration…The record of global pollution in polar snow and ice
1 January, 1985 by Eric Wolff
Many attempts have been made to trace increases in global pollution from the record of impurities preserved in polar snow and ice layers. Although inadequate sampling and analysis techniques have…Read more on The record of global pollution in polar snow and ice
Photofading retardant for epifluorescence microscopy in soil micro-ecological studies
1 January, 1985
Citifluor, a photofading retardant for epifluorescence studies, was evaluated as a mountant for enhancing algal autofluorescence and Acridine Orange (AO) fluorescence of bacteria and fungi in mineral soils from Antarctic…Read more on Photofading retardant for epifluorescence microscopy in soil micro-ecological studies
Antarctic ecology
1 January, 1984
Seals chapter in BAS Digital ArchiveThermal dependence of contractile properties of single skinned muscle fibres from Antarctic and various warm water marine fishes including Skipjack Tuna (Katsuwonus pelamis) and Kawakawa (Euthynnus affinis)
1 January, 1984
Single fast fibres and small bundles of slow fibres were isolated from the trunk muscles of an Antarctic (Notothenia neglecta) and various warm water marine fishes (Blue Crevally,Carangus melampygus; Grey…The plasma physics of the Active Magnetospheric Particle Tracer Explorers (AMPTE) mission
1 January, 1984
The three-spacecraft AMPTE Mission was due to commence in August 1984. The purpose of these 'active' experiments was firstly to release lithium into the solar wind and to use the…Current, temperature, and salinity beneath George VI Ice Shelf, Antarctica
1 January, 1984
Speed, direction, temperature, and conductivity were recorded from February to July 1980 within the thermocline near the northern ice front of George VI Ice Shelf. There were no significant changes…Read more on Current, temperature, and salinity beneath George VI Ice Shelf, Antarctica
Filtration rates of Euphausia superba Dana: under- or overestimates?
1 January, 1984
Filtration rates of adolescent Euphausia superba obtained by both constant volume and flow-through techniques are presented. Filtration rate data for a range of particle sizes are presented. An increase in…Read more on Filtration rates of Euphausia superba Dana: under- or overestimates?
Feeding of krill around South Georgia. II. Relations between feeding activity, environment and vertical distribution
1 January, 1984 by Peter Ward
Relations between a model of the feeding activ- ity of Euphausia superba, the oceanic environment and the vertical distribution of krill around South Georgia are described. Krill with full alimentary…Oxygen consumption of five species of fish from south Georgia
1 January, 1984
The oxygen consumption rates of five species of sub-Antarctic fish, Notothenia rossii Fischer, 1885; Notothenia angustifrons Fischer, 1885; Notothenia nudifrons Lonnberg, 1905; Trematomus hansom Boulenger, 1902; and Harpagifer georgianus Richardson,…Read more on Oxygen consumption of five species of fish from south Georgia
Cold shock injury in Tetrahymena pyriformis
1 January, 1984 by Andrew Clarke
The ciliated protozoan Tetrahymena pyriformis has been used to study the biochemistry of cellular injury induced by rapid cooling (cold shock). Cellular viability was found to depend on the time…Isotopic tracers in polar seas and glacier ice
1 January, 1984
The relationship between isotope concentration and salinity provides important evidence on the origin of water masses. In polar regions it can be used to deduce the isotopic composition of melting…Scaling of foraging radius and growth rate in petrels and albatrosses (Procellariiformes)
1 January, 1984
Data are assembled from a number of sources on several species of Procellariiformes breeding on South Georgia, covering the amount, frequency and energetic content of feeds brought to the young,…Glaciological and oceanographic calculations of the mass balance and oxygen isotope ratio of a melting ice shelf
1 January, 1984
Glaciological estimates of the ice supply to George VI Ice Shelf are obtained by integrating the accumulation over the catchment. The basal melt (or possible shelf thickening) rates for the…Automated measurement of meal sizes and feeding frequency in albatrosses
1 January, 1984
An artificial nest incorporating an automated weighing device, suitable for chick growth studies on some species of seabirds, is described. (2) The operating weight range is 1-7 kg, with an…Read more on Automated measurement of meal sizes and feeding frequency in albatrosses
Activity budgets of foraging gray-headed albatrosses
1 January, 1984
Activity recorders were attached to 13 Gray-headed Albatrosses (Diomedea chrysostoma) rearing chicks at South Georgia in February 1982. During foraging trips to sea totalling 284 bird-days, an average of 74%…Read more on Activity budgets of foraging gray-headed albatrosses
Electrical resistivity of ice from the Antarctic Peninsula, Antarctica
1 January, 1984
Georesistivity soundings have been carried out at four sites in the Antarctic Peninsula. The objective of the work was to investigate the electrical behaviour of ice from an area where…Read more on Electrical resistivity of ice from the Antarctic Peninsula, Antarctica
Estimation by use of field weighings of metabolic rate and food conversion efficiency in albatross chicks
1 January, 1984
A knowledge of the assimilation of food and of the energetic demands of chicks at different stages in the growth period can provide a basis for understanding growth strategies of…Spread-F ionospheric irregularities and their relationship to stable auroral red arcs at magnetic mid-latitudes
1 January, 1984
The signature of the stable auroral red arc (SAR arc) as it appears on ionograms is described. The key features are a very significant increase in the amount of spread-F…Dawn-dusk (y) component of the interplanetary magnetic field and the local time of the harang discontinuity
1 January, 1984 by Michael Pinnock
We describe a simple method for determining the time at which the meridian of a sub-auroral magnetic observatory crosses that of the Harang discontinuity—the separation of the eastward and westward…