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
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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
Soil biological processes in the North – and South
1 January, 1987 by William Block
Soil biological processes which have been studied in the north are extended and compared with those of the south polar region. Much can be learned from exploiting the biological similarities…Read more on Soil biological processes in the North – and South
Respiratory characteristics of muscle fibres in a fish (Chaenocephalus aceratus) that lacks haem pigments
1 January, 1987
1. Oxygen consumption, mitochondrial content and enzyme activities were determined in identified muscle fibre types of the ‘haemoglobin-less’ icefish Chaenocephalus aceratus Lonnberg. 2. Small bundles (2–12) of fast and slow…The magnetopause as a source of nonthermal continuum radiation
1 January, 1987
Second only to auroral kilometric radiation as the Earth's most prominent radio emission, magnetospheric nonthermal continuum radiation has been the subject of numerous observational and theoretical investigations. It has been…Read more on The magnetopause as a source of nonthermal continuum radiation
The Antarctic predatory mite Gamasellus racovitzai (Trouessart) (Mesostigmata) – A morphometric study of two subspecies
1 January, 1987
57 morphological characters were scored on a sample of 46 male and 55 characters on a sample of 40 female Gamasellus racovitzai, which had been collected from 10 localities in…Influence of Introduced Reindeer on the Vegetation of South Georgia: Results From a Long-Term Exclusion Experiment
1 January, 1987
(1) The sub-Antarctic island of South Georgia has a species-poor vascular flora that is not adapted to grazing by vertebrates. Consequently, reindeer (Rangifer tarandus L.) introduced to different areas of…Description and quantification of field attack rates by predatory mites: An example using an electrophoresis method with a species of Antarctic mite
1 January, 1987 by William Block
Polyacrylamide gel electrophoresis and subsequent esterase staining provide an alternative to immunological methods for investigating the diet of microarthropods which cannot be observed directly. Attack rates in field populations of…Size, shape and the distribution of organic matter in the Recent Antarctic brachiopod Liothyrella uva
1 January, 1987 by Andrew Clarke, Lloyd Peck
The living terebratulid articulate brachiopod Liothyrella uva (Jackson 1912) was sampled from a shallow water population at Signy Island, South Orkney Islands, Antarctica. Neither shell height nor shell breadth were…Structural evolution of the magmatic arc in northern Palmer Land, Antarctic Peninsula
1 January, 1987
In northern Palmer Land, Antarctic Peninsula, the magmatic arc has developed by the interaction of compressional and extensional tectonics. Periods of magmatism and arc compression in the Early Jurassic and…Read more on Structural evolution of the magmatic arc in northern Palmer Land, Antarctic Peninsula