7645 to 7656 of 13722 results
A U-Pb zircon age 0f 285.7+/-1.5 Ma is presented for granodiorite from the Chanchoquin pluton of the Guanta Unit, Elqui Superunit of the Elqui-Limari Batholith. This is the first U-Pb […]
A comprehensive survey of data on ‘Polar Mesosphere Summer Echoes’, observed by the EISCAT VHF radar during 1988–1993, confirms that (1) these echoes are a summer phenomenon, with a season […]
The species composition, abundance, vertical distribution, biovolume and carbon content of gelatinous nekton in the Antarctic Polar Frontal Zone are described from a series of RMT25 hauls collected from a […]
Imported anthropogenic bacteria may survive the Antarctic winter and introduce new genes into local bacterial communities
Stegonia latifolia (Schwaegr. in Schult.) Vent. ex Broth. is recorded from the Antarctic on the basis of the specimens collected from Signy Island, South Orkney Island and King George Island, […]
The British Antarctic Survey VLF database from Halley (L = 4.3) and Faraday (L = 2.3) stations, Antarctica, has been searched for clear examples of whistler-triggered emissions (WTEs). Dominant events […]
The activity and behaviour of a free-living Antarctic fish,Notothenia coriiceps Richardson (formerlyN. neglecta), was investigated using a high-sensitivity, underwater TV camera at Signy Island, South Orkney Islands. Detailed observations of […]
In 1991 Chamsocephalus gunnari
The occurrence of fish in the diet of the Antarctic fur seal (Arctocephalus gazella) at Bird Island, South Georgia was investigated by analysis of fish otoliths in scats (faeces) collected […]
Thermistor cables have been deployed at two sites beneath Ronne Ice Shelf, Antarctica. One site is to the east of a submarine ridge that delineates the eastern boundary of the […]
Data from the acoustic surveys of MV SA “Agulhas” and FRV “Walther Herwig”, and the 1981 RRS “John Biscoe” South Georgia acoustic survey were analysed by geostatistical methods. Estimates of […]
Larvae and isolated fat body cells of the freeze-tolerant Heleomyza borealis (Diptera, Heleomyzidae) were cooled to sub-zero temperatures between -5 and -40°C at 0.1°C min-1 and then rewarmed at the […]