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The use of satellite tags has yielded important information to better understand cetacean ecology and to improve cetacean conservation. However, tag deployment duration has been highly variable and typically shorter than their battery life on most large whale species. Between 2011 and 2018…
Background: Sooty (Puffinus griseus) and short-tailed (P. tenuirostris) shearwaters are abundant seabirds that range widely across global oceans. Understanding the foraging ecology of these species in the Southern Ocean is important for … monitoring and ecosystem conservation and management.
Preliminary results are presented from the first validation of geophysical data products (ice concentration, snow thickness on sea ice (hs) and ice temperature (TI ) from the NASA EOS Aqua AMSRE sensor, in East Antarctica (in September–October 2003).
Iron(III)-uptake mechanisms in bacteria indigenous to the Antarctic, which is the most Fe-deficient … continent on Earth, have not been extensively studied. The cold-adapted, Antarctic bacterium, Shewanella gelidimarina, does not produce detectable levels of the siderophore, putrebactin…
Although satellite passive-microwave remote sensing is the main source of global sea-ice … information, the data products have never been adequately validated for East Antarctic … conditions.
Thicknesses of sea ice and snow are key variables in ice-ocean-atmosphere interactions. Sea ice insulates the warm ocean from polar air and controls the heat exchange, which is … determined by its thickness. Also, sea ice thicknesses, together with sea ice extent…
The ice-free habitats of continental Antarctica are among the most geographically isolated on Earth. Colonization of Antarctica requires the immigration of dissemules from distant biotic sites across large distances of snow or open ocean.