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We examine global phylogeography of the two forms of giant petrel Macronectes spp. Although previously … considered to be a single taxon, and despite debate over the status of some populations and the … existence of minimal genetic data (one mitochondrial cytochrome b sequence per form)…
Profiling the ground layer turbulence for daytime seeing applications using an array of photodiodes has been documented … in literature, in particular by Beckers who coined the term “SHABAR” for the instrument, short for Shadow Band … Ranger.
The Gattini cameras are two site testing instruments for the measurement of optical sky brightness, large area cloud … cover and auroral detection of the night sky above the high altitude Dome C site in Antarctica. The cameras have been in … operation since January 2006.
Long-term studies at Bird Island, South … Georgia, show that numbers of wandering, black-browed … and grey-headed albatrosses have been decreasing … since the late 1970s. To determine the status of the total … South Georgia population…
Long-term studies at Bird Island, South … Georgia, show that numbers of wandering, black-browed … and grey-headed albatrosses have been decreasing … since the late 1970s. To determine the status of the total … South Georgia population…
An overview of the Davis station hydroxyl airglow temperature program will be given. Seasonal structure, planetary scale periodicities and inter-year variability determined from six years of hydroxyl airglow rotational temperatures will be presented. Solar cycle influences will be examined.