Phoca vitulina harbor seal of excellence
Webb1 juli 2015 · Tidewater glacial fjords in Alaska provide habitat for some of the largest aggregations of harbor seals (Phoca vitulina), with calved ice serving as platforms for … WebbFor harbour seals (Phoca vitulina), these data are required to fulfil statutory reporting obligations under national and international regulations. Aerial survey counts of harbour …
Phoca vitulina harbor seal of excellence
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Webb15 feb. 2011 · Abstract. Harbour seals, Phoca vitulina, have long been thought to be one of the least vocal pinniped species both in air and under water. However, recent studies have shown that males use ... WebbHarbor seals, Phoca vitulina (Linnaeus, 1758), are the most common seal species and contain 5 subspecies. Alaskan and western Pacific harbor seals are significantly larger than seals in the Atlantic and southern areas of the eastern Pacific. Generally, adult males measure 1.4-1.9 m in length and weigh 55-170 kg, while the slightly smaller adult …
WebbYou are exiting the U.S. Fish and Wildlife Service website. Thank you for visiting our site. DOI and the bureaus do not guarantee that outside websites comply with Section 508 … Webb12 maj 2024 · ABSTRACT. Documenting human impacts on marine mammals is critical for understanding and mitigating harm. Although propeller strike injuries in small marine mammals are often debilitating and fatal, little is known about the occurrence or demographics of these types of injuries in pinniped populations. Using data of stranded …
Webb1 juni 2011 · To investigate viral pathogens potentially involved in a mortality event of 21 Pacific harbor seals (Phoca vitulina richardsii) in California in 2000, viral metagenomics was performed directly on lung samples from five individuals. Metagenomics revealed a novel seal anellovirus (SealAV), which clusters phylogenetically with anelloviruses from … WebbThe harbor seal (Phoca vitulina richardii) population in the Salish Sea has been at equilibrium since the mid-1990s. This stable population of marine mammals resides relatively close to shore near a large human population and offers a novel opportunity to evaluate whether disease acts in a density-dependent manner to limit population growth.
Webb7 sep. 2006 · “ Vocalizations and vocal mimicry in captive harbor seals, Phoca vitulina,” Can. J. Zool. 0008-4301 63, 1050– 1056. Google Scholar Crossref; 35. Renouf, D. (1984). “ The vocalization of the harbour seal pup (Phoca vitulina) and its role in the maintenance of contact with the mother,” J. Zool. 0022-5460 202, 583– 590. Google Scholar ...
Webbharbour seal populations. Ophelia 32 (3): 211–235. Härkönen, T. J. 1987. Seasonal and regional variations in the feeding habits of harbour seals Phoca vitulina in the Kattegat and the Skagerrak. J. Zool. Lond. 213: 535–543. Härkönen, T. J. 1987. Feeding ecology and population dynamics of the harbour seal (Phoca vitulina) in Kattegat ... darlene iglehart waco txWebb6 juli 2001 · Like the fish lateral line , the whiskers of harbor seals are highly sensitive to water movements . However, the accepted view is that hydrodynamic object detection works only over short distances [for review, see ( 2 )], as, for instance, during chemosensory mate search in marine copepods ( 5 ) or during the final stage of prey … darlene hill news anchor bathing suitWebb1 feb. 1998 · The harbor seal (Phoca vitulina) has the most extensive distribution of any phocid seal species. An analysis of population structure in this species across its … bisley homes ukWebbSecondly, the subspecies Phoca vitulina mellonae that lives in the Ungava Peninsula in Canada have very low population numbers of 120 to 600 seals. They are the subspecies … darlene jackson newtown ctWebb5 jan. 2024 · Common or harbor seal (Phoca vitulina): This rather bulky pinniped can be found on Baltic, Pacific, Northern Atlantic, and North Sea coasts. Unlike its smaller relatives mentioned above, a harbor seal is capable of exceeding 6 feet in length and 350 pounds in weight. Its young are able to take to the water within hours of being born. bisley hi vis shirtWebbtemperatures. Seal abundance peaked in early May and coincided directly with the presence of alewife. Seal numbers were not found to be significantly related to adult … darlene imhoff boiseWebbin Harbor Seals (Phoca vitulina) Guido Dehnhardt,1,2* Bjo‹rn Mauck,1,2 Wolf Hanke,1 Horst Bleckmann1 Marine mammals often forage in dark or turbid waters. Whereas dolphins use echolocation under such conditions, pinnipeds apparently lack this sensory ability. For seals hunting in the dark, one source of sensory information may darlene hill wcmh 4