Showing 13455 items
1 January, 1967
An examination of material from Signy Island, in the South Orkney group, shows that large amounts of plant nutrients are moving through the ecosystem of the island. Physical weathering is…Read more on Factors affecting the availability of plant nutrients on an Antarctic island
1 January, 1967
Although all the soils on Signy Island are at an early stage of development a number of contrasting types are present. In this report the influence of the various internal…1 January, 1967
1. Body-weight, skinfold thickness and food intake were measured at regular intervals in twenty-five young men while on an Antarctic expedition. 2. The mean calorie intake over the year was…1 January, 1967
During the past 100 years many papers have been published on Antarctic microbiology in general and that of the soil, snow and ice in particular. However, there are still contradictory…1 January, 1967
Prior to 1962 work on freshwater within the British Sector of the Antarctic had been confined to the collection of specimens and their subsequent taxonomic evaluation. Collections were made by…Read more on Antarctic ecosystems. The freshwater lakes of Signy Island and their fauna
1 January, 1967
The aim of the present paper is to summarize the broad scope of this Discussion and to attempt to draw certain final generalizations about the Antarctic as a biological zone.…1 January, 1967
Signy Island (lat. 60° 43' S, long. 45° 38' W) is one of the southernmost and smaller members of the South Orkney Islands, which lie in the South Atlantic Ocean…1 January, 1967
The presence of flowering plants within the Antarctic botanical zone (as defined by Greene 1964 a) has been known for nearly 150 years. The first to be discovered was a…Read more on The growth and reproduction of Antarctic flowering plants
1 January, 1967
The pioneer studies of Skottsberg (1912), supported by the observations of Bertram (1938) and Bryant (1945), showed that a range of bryophyte and lichen communities are developed in many localities…1 January, 1967
The extremely impoverished nature of the vascular flora in Antarctic regions has long been recognized and contrasted with the richness of comparable latitudes in the northern hemisphere. Rudmose Brown (1906),…Read more on Temperature relationships of Antarctic vegetation
1 January, 1967
This paper presents some preliminary results of an investigation into the seasonal variation of extractable n utrients in the soils of Signy Island. In an examination of British soils Allen…Read more on Seasonal availability of chemical nutrients on Signy Island
1 January, 1967
The anostracan crustacean, Branchinecta gaini, has been recorded from freshwater lakes and pools in many places in the Antarctic and from the southern tip of South America. On Signy Island,…Read more on The osmotic and ionic regulation of Branchinecta gaini Daday
1 January, 1967
Maritime Antarctic areas possess a predominantly cryptogamic vegetation and support a free‐living invertebrate fauna showing few species in great abundance. Between January 1962 and April 1964 a study was made…1 January, 1967
During the period from 18 January to 31 M arch 1964 the author was able to visit certain islands on the Scotia Ridge and parts of the Antarctic Peninsula. Apart…Read more on The terrestrial invertebrate fauna of the Maritime Antarctic
1 January, 1966
Rectal temperatures were measured in a group of 15 huskies during the Antarctic winter at Halley Bay, and found to vary between37–55 and 40 25oC. A significant positive correlation was…Read more on Rectal temperature of the husky under severe winter conditions in the Antarctic
1 January, 1966
Since the first conception of a hovercraft by C. S. Cockerell in the early 1950s, and the completion of the first experimental full-scale machine (SR. N1) in 1959, the development…1 January, 1966
1. The diets of sledge dogs at a British Antarctic sledging base were studied both at base and during sledge journeys, and samples of the diets and the relevant faeces…Read more on The feeding of sledge dogs on Antarctic expeditions
1 January, 1965
The long-term effects of diet, physical activity and seasonal variation on serum lipids have been studied over a period of one year (1961) in members of the British and South…1 January, 1965
There is a long record of medical research and observation in the Antarctic, almost as long as the record of exploration. The early expeditions usually had a medical officer who…Read more on Medical research by the British Antarctic Survey
1 January, 1965
The Antarctic Peninsula, the islands rising from the Scotia Ridge, and the Falkland Islands are a key area for biologists interested in the origin, relationships, and adaptations of the Antarctic…Read more on Biological research by the British Antarctic Survey
1 January, 1965
THE Ross Seal (Ommatophoca rossi) is a relatively little-known animal and it was not until recently, when the British Museum (Natural History) received two frozen specimens from the British Antarctic…