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Leukocyte counts in three sympatric pack-ice seal species from the western Antarctic Peninsula
(Springer, 2019-10)
Global warming, and its consequences, constitute one of the main stressors for organisms worldwide, affecting different factors such as the geographic distribution and the abundance of parasites, which in turn can affect ...
Antarctophthirus carlinii (Anoplura: Echinophthiriidae), a new species from the Weddell seal Leptonychotes weddelli
(Springer, 2014-07)
As a part of an ongoing long-term study on the biology of pack-ice seals in Antarctica, we had the opportunity to collect lice from Weddell seals (Leptonychotes weddelli). We did not find the original description of this ...
New records of mummified crabeater seals on islands bordering Admiralty Sound, Weddell Sea
(Cambridge University Press, 2019-06)
Ninety-six mummified crabeater seals discovered at Seymour Island (Isla Marambio) are reported. Each specimen was georeferenced, photographed and assigned to five different taphonomic states. Previous work stated that seals ...
So happy together: juvenile crabeater seal behavior improves lice transmission
(Springer, 2020-05)
Lice from family Echinophthiriidae are of the few insects that have successfully colonized marine environment living as ectoparasites of pinnipeds, i.e., sea lions, seals, and the walrus. They have developed unique adaptations ...
Water promotes the sealing of nanoscale packing defects in folding proteins
(Iop Publishing, 2014-05)
A net dipole moment is shown to arise from a non-Debye component of water polarization created by nanoscale packing defects on the protein surface. Accordingly, the protein electrostatic field exerts a torque on the induced ...
Antarctic Radiocarbon Reservoir: The case of the mummified crabeater seals (Lobodon carcinophaga) in Bodman Cape, Seymour Island, Antarctica
(University of Arizona. Department of Geosciences, 2011-03)
At least 50% of the world’s seal population is distributed in the pack-ice region surrounding Antarctica. Among the Antarctic seals, Lobodon carcinophaga (commonly known as “crabeater seals”) are the most abundant. This ...
Adaptations to a semiaquatic lifestyle in the external ear of southern pinnipeds (Otariidae and Phocidae, Carnivora): Morphological evidences
(Elsevier Gmbh, 2019-04)
Pinnipeds are semiaquatic carnivorans that spend most of their lives in water and use coastal terrestrial, or ice pack, environments to breed, molt and rest. Certain characteristics of the ear have been linked to ecological ...