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Summer metabolism and seasonal changes in biochemical composition of the Antarctic brachiopod Liothyrella uva (Broderip, 1833)
1 December, 1987 by Andrew Clarke, Lloyd Peck
Oxygen consumption and ammonia excretion were measured in Liothyrella uva (Broderip, 1833) held in the laboratory under simulated summer conditions. The mean oxygen consumption of a 50 mg AFDW brachiopod…Resonant interactions between cometary ions and low frequency electromagnetic waves
1 December, 1987
We explore the conditions for resonance between cometary pick-up ions and parallel propagating electromagnetic waves. A model ring—beam distribution for the pick-up H2O+ ions is adopted which allows a direct…Read more on Resonant interactions between cometary ions and low frequency electromagnetic waves
Some aspects of the small scale distribution of Euphausia crystallorophias
1 October, 1987
Diurnal variations in the vertical distribution and swarming behaviour of Euphausia crystallorophias at Deception Island (61 degrees South, 66 degrees West) are described. Swarms were present at all times of…Read more on Some aspects of the small scale distribution of Euphausia crystallorophias
Bright light phase shifts the human melatonin rhythm during the Antarctic winter
1 August, 1987
In most species daily and seasonal changes in the light-dark cycle are the most important synchronisers (zeitgebers) of daily and seasonal rhythms. In humans only bright light (2500 lux) appears…Read more on Bright light phase shifts the human melatonin rhythm during the Antarctic winter
Retention of phytoplankton by an eddy
1 August, 1987
A patch of high phytoplankton biomass, approximately 109 m2 in area, remained apparently stationary off King George Island, South Shetland Islands, over a period of at least 11 days. The…Species and sexual isolating mechanisms in sibling species of giant petrels Macronectes
1 August, 1987
The two sibling species of giant petrels Macronectes halli and M. giganteus are the dominant avian scavengers in the Southern Ocean ecosystem. They breed sympatrically at a number of sub-Antarctic…Read more on Species and sexual isolating mechanisms in sibling species of giant petrels Macronectes
Observed beaming of terrestrial myriametric radiation
1 July, 1987
Observations by the Dynamics Explorer 1 satellite provide validation of the theory that terrestrial myriametric radiation is produced by the linear conversion of electrostatic upper hybrid waves to electromagnetic radiation…Read more on Observed beaming of terrestrial myriametric radiation
Io plasma torus and the source of jovian narrow-band kilometric radiation
1 June, 1987
Narrow-band jovian kilometric radiation (nKOM) is distinguishable from broad-band jovian kilometric radiation (bKOM), both discovered by the Voyager spacecraft1–3, by its generally lower intensity, its more restricted range of centre…Read more on Io plasma torus and the source of jovian narrow-band kilometric radiation
Geochemistry and tectonic setting of alkaline volcanic rocks in the Antarctic Peninsula: A review
1 June, 1987
The numerous Miocene-Recent alkaline volcanic outcrops in the Antarctic Peninsula form a substantial volcanic province, the least well-known part of a major belt of alkaline volcanism that extends between South…Solar radiation transmitted to the ground through cloud in relation to surface albedo
1 April, 1987
The global solar radiation received at the earth's surface in the presence of cloud depends not only on the optical depth of the cloud and its other physical properties, but…Read more on Solar radiation transmitted to the ground through cloud in relation to surface albedo
Weak electrostatic waves near the upper hybrid frequency: A comparison between theory and experiment
1 April, 1987 by Richard Horne
Two types of generating mechanisms have been proposed to explain the observations of weak electrostatic waves near the local upper hybrid frequency fuh. In this paper data from the wave…Observations of an internal gravity wave in the lower troposphere at Halley, Antarctica
1 April, 1987 by John King
Observations of internal gravity waves in the stably-stratified atmospheric boundary layer at Halley, Antarctica are presented. These were made on 1 February, 1986 and take the form of temperature measurements…Read more on Observations of an internal gravity wave in the lower troposphere at Halley, Antarctica
A magnetospheric substorm observed at Sanae, Antarctica
1 March, 1987
A magnetospheric substorm that occurred at Sanae, Antarctica, on July 27, 1979, was observed by a variety of techniques. A synthesis of the observations is presented, and an attempt made…Read more on A magnetospheric substorm observed at Sanae, Antarctica
The physical properties of quartz-micaschist and their application to freeze-thaw weathering studies in the maritime antarctic
1 March, 1987
As part of a study on freeze‐thaw weathering in the maritime Antarctic an investigation was made of the physical properties of the local rock. Tests were made of point‐load compressive…Muscle structure and differentiation in pelagic and demersal stages of the Antarctic teleost Notothenia neglecta
1 March, 1987
The distribution and fine structure of muscle-fibre types has been determined for the pelagic fingerling and demersal adult stages of the antarctic teleost Notothenia neglecta Nybelin, collected from Signy Island,…The psychological effects of service in British Antarctica: a study using the General Health Questionnaire
1 February, 1987
This study follows the psychological profile of a group of Antarctic explorers on a remote base in British Antarctica. Each month for 1 year the 60-item General Health Questionnaire (GHQ)…Cold resistance and overwintering survival of the cabbage root fly, Delia radicum (Anthomyiidae), and its parasitoid, Trybliographa rapae (Cynipidae), in England
1 February, 1987 by William Block
Overwintering Delia radicum (L.) in a field of swedes (Brassica napus L.) near Ascot, Berks., England, were exposed to soil temperatures below 10°C on 176 days from 21 October 1983…Non-Maxwellian ion velocity distributions observed using EISCAT
1 February, 1987 by Richard Horne
Recent observations from the EISCAT incoherent scatter radar have revealed bursts of poleward ion flow in the dayside auroral ionosphere which are consistent with the ionospheric signature of flux transfer…Read more on Non-Maxwellian ion velocity distributions observed using EISCAT
The geology of South Georgia: VI. Larsen Harbour formation
1 January, 1987
This report is based on a PhD thesis by B.F. Mair submitted to the University of Aberdeen in August 1979, and entitled 'The geology of the area between Drygalski Fjord…Read more on The geology of South Georgia: VI. Larsen Harbour formation
The geology of parts of the west coast of Palmer Land
1 January, 1987
This report is based on a PhD thesis by C.G. Smith submitted in 1977.Read more on The geology of parts of the west coast of Palmer Land
Conservation and the Antarctic environment: The working group reports of the joint IUCN/SCAR Symposium on the scientific requirements for Antarctic conservation
1 January, 1987
Six working groups were set up at the joint IUCN/SCAR Symposium on the scientific requirements for Antarctic conservation. These were charged with (i) identifying gaps in the scientific understanding of…Antarctic science and conservation — The historical background
1 January, 1987
James Cook in his voyage of 1774–1775 is generally credited with the discovery of the Antarctic. He was soon followed by fur sealers who by the end of the first…Read more on Antarctic science and conservation — The historical background
Theory of wave polarization of radio waves in magnetospheric cavities
1 January, 1987
When interpreting observations of radio waves of low frequency in magnetospheric cavities, it is often assumed that the electron concentration is small enough for the ray paths to be treated…Read more on Theory of wave polarization of radio waves in magnetospheric cavities
The theory of radio windows in planetary magnetospheres
1 January, 1987
The theory of radio windows given in two previous papers for a stratified cold plasma is extended to apply in a warm plasma. It is used to investigate one suggested…Read more on The theory of radio windows in planetary magnetospheres
Effects of low-temperature acclimation on the survival and cold tolerance of an antarctic mite
1 January, 1987
The effects of long-term exposures to constant temperatures (+4, 0, −5, −10, −15 and −20°C) on the survival of a cryptostigmatid mite, Alaskozetes antarcticus, were studied during 1983–1984 on Signy…Foraging energetics of Grey-headed Albatrosses Diomedea chrysostoma at Bird Island, South Georgia
1 January, 1987
At‐sea metabolism (CO2 production) and water turnover of six breeding Grey‐headed Albatrosses Diomedea chrysostoma were measured, using the doubly labelled water method, at Bird Island, South Georgia, Mean food consumption…Lipid in an arctic food chain: Calanus, Bolinopsis, Beroe
1 January, 1987 by Andrew Clarke
The zooplankton of the fjords of Svalbard in late summer is dominated by copepodites of Calanus glacialis (JASCHNOV). These are consumed by, among others, the lobate ctenophore Bolinopsis infundibulum (O.F.…Read more on Lipid in an arctic food chain: Calanus, Bolinopsis, Beroe
The exploitation of Antarctic minerals
1 January, 1987
Exploitation of minerals either from continental shelves or land areas free of ice has yet to take place in the Antarctic. The paper considers pressures, commercial, strategic, and possible depletion…Comparison of short period TID morphologies in Antarctica during geomagnetically quiet and active intervals
1 January, 1987
Travelling ionospheric disturbances with periods in the range 10 < τ < 30 min were observed by an HF Doppier network on the Antarctic Peninsula. A distinction was made between…The status and conservation of Antarctic seals and seabirds: A review
1 January, 1987
Present threats to Antarctic seabirds and seals when ashore include disturbance and habitat destruction (some directly caused by humans; most through the introduction of rabbits and other grazers; also seal…Read more on The status and conservation of Antarctic seals and seabirds: A review
The biota and conservation status of sub-Antarctic islands
1 January, 1987
Six island or island groups (Marion and Prince Edwards Islands, Iles Crozet, Iles Kerguelen, Heard and McDonald Islands, Macquarie Island, South Georgia) are considered in this account to belong to…Read more on The biota and conservation status of sub-Antarctic islands
Antarctic terrestrial ecosystems
1 January, 1987
The Maritime and Continental Antarctic terrestrial ecosystems are considered in the context of environmental impacts-habitat destruction, alien introductions, and pollution. Their ability to recover from perturbation is discussed in the…The Ellsworth-Whitmore Mountains crustal block: Its role in the tectonic evolution of West Antarctica
1 January, 1987
The 1983–1984 season of the joint British Antarctic Survey‐U.S. Antarctic Research Program geology and geophysics project on the Ellsworth‐Whitmore Mountains crustal block (EWM) has yielded new observations and laboratory data…Extensional tectonics and the fragmentation of Gondwanaland
1 January, 1987
The magmatic arc of the Antarctic Peninsula displays a wide range of features related to extensional tectonics at a convergent margin. Cenozoic extensional features are concentrated in a linear belt…Read more on Extensional tectonics and the fragmentation of Gondwanaland
Joint U.K.-U.S. West Antarctic Tectonic Project: an introduction
1 January, 1987
The relationship of West Antarctica to the Precambrian craton of East Antarctica is the longest standing major tectonic problem in Antarctic geology. It has a bearing on Gondwanaland reconstruction but…Read more on Joint U.K.-U.S. West Antarctic Tectonic Project: an introduction
Late Paleozoic Accretionary Complexes on the Gondwana Margin of Southern Chile: Evidence from The Chonos Archipelago
1 January, 1987
The late Paleozoic “basement” rocks that crop out along the Pacific side of the Chonos Archipelago (44°–46°S) can be divided into two north‐south trending belts: (1) an eastern belt formed…Glaciological studies on Rutford Ice Stream, Antarctica
1 January, 1987 by Andy Smith, David Vaughan
Rutford Ice Stream drains part of the West Antarctic ice sheet into Ronne Ice Shelf. Much of the drainage basin has a bed well below sea level and is therefore…Read more on Glaciological studies on Rutford Ice Stream, Antarctica
Species composition and ecology of dinoflagellates from the Southern Ocean near South Georgia
1 January, 1987
Dinoflagellates were identified and counted from preserved vertical net haul samples collected from a station grid centred on South Georgia in austral summer 1981 –1982. All species were scarce in…The Cretaceous Dimitobelidae (Belemnitida) of the Antarctic Peninsula region
1 January, 1987
The Dimitobelidae is a Cretaceous belemnite family that was restricted to within the 30° S. palaeolatitude for its Aptian-Maastrichtian range. The family is described in detail from the Antarctic Peninsula…Read more on The Cretaceous Dimitobelidae (Belemnitida) of the Antarctic Peninsula region
Recent measurements of total ozone at British Antarctic Survey stations
1 January, 1987
The deep minimum in total ozone, the ‘ozone hole’, which is now observed each year in early spring in Antarctica, appears to be confined to the cold core of the…Read more on Recent measurements of total ozone at British Antarctic Survey stations
Lithospheric extension on the Antarctic Peninsula during Cenozoic subduction
1 January, 1987
The magmatic arc of the Antarctic Peninsula displays a wide range of features related to extensional tectonics at a convergent margin. Cenozoic extensional features are concentrated in a linear belt…Read more on Lithospheric extension on the Antarctic Peninsula during Cenozoic subduction
Continental magnetic anomalies and the evolution of the Scotia arc
1 January, 1987
Linear belts 50–100 km in width of long-wavelength positive magnetic anomalies exceeding 500 nT are observed on continental blocks of the Scotia arc. The most developed is the West Coast…Read more on Continental magnetic anomalies and the evolution of the Scotia arc
The breeding biology of the white-chinned petrel Procellaria aequinoctialisat South Georgia
1 January, 1987
Aspects of the breeding biology of the whitc‐chinned petrel Procellaria aequinoctialis were studied at South Georgia. Laying, hatching and fledging dates, together with egg and adult measurements, rate of weight…Morphometrics and ultrastructure of myocardial tissue in Notothenioid fishes
1 January, 1987
Antarctic fish of the family Channichthyidae (Icefishes) lack the respiratory pigments haemoglobin and myoglobin. The morphometrics and ultrastructure of the ventricular myocardium of a benthic icefish,Chaenocephalus aceratus has been compared…Read more on Morphometrics and ultrastructure of myocardial tissue in Notothenioid fishes