Seals phoca-vitulina
The impact of glide phases on the trackability of hydrodynamic trails in harbour seals (Phoca vitulina)
... The marine environment contains different sources of information allowing aquatic animals to orient themselves and localize their prey under water. One potential source of information is given by water disturbances – ...
7
Parasites in harbour seals (Phoca vitulina) from the German Wadden Sea between two Phocine Distemper Virus epidemics
... harbour seals (Phoca vitulina) found on the coasts of Schleswig-Holstein, Germany, between 1997 and ...in seals that died during the 1988/1989 Phocine Distemper Virus epidemic, and the ...
7
Aerial low frequency hearing in captive and free ranging harbour seals (Phoca vitulina) using auditory brainstem responses
... harbour seals (Phoca vitulina, Lin- naeus), and the overlap between their at-sea distribution and sound producing activities has led to concerns about the potential impacts of sound on this species ...
10
Exposure of harbour seals (Phoca vitulina) to Brucella in declining populations across Scotland
... harbour seals Phoca ...the seals in the regions of greatest decline have been exposed to Brucella, a bacterial pathogen that causes reproductive failure in terrestrial mammalian ...dead seals ...
11
Adaptations to diving hypoxia in the heart, kidneys and splanchnic organs of harbor seals (Phoca vitulina)
... harbor seals exhibit adaptations ...Weddell seals during aerobic dives indicates that convective oxygen transport to the heart, liver, kidneys and gastrointestinal tract is sufficient to maintain aerobic ...
16
The metabolic characteristics of the locomotory muscles of grey seals (Halichoerus grypus), harbour seals (Phoca vitulina) and Antarctic fur seals (Arctocephalus gazella)
... harbour seals have a greater aerobic ...grey seals have the highest oxygen storage capacity of the three pinniped species, which correlates with their greater diving ...fur seals have higher ...
14
Hydrodynamic detection and localization of artificial flatfish breathing currents by harbour seals (Phoca vitulina)
... The three harbour seals were trained to start from the hoop station, dive over the platform and station at the active nozzle, i.e. to put their snout at the mesh grid at the position of the nozzle for at least 5 ...
12
Sensitivity of the mystacial vibrissae of harbour seals (Phoca vitulina) for size differences of actively touched objects
... In principle, the same test apparatus was used as described in detail by Dehnhardt (1994), although the height of the stimulus presentation areas (Fig. 4) was reduced so that the discs could be presented 35 cm above the ...
7
Hydrodynamic sensory threshold in harbour seals (Phoca vitulina) for artificial flatfish breathing currents
... (Phoca vitulina) and three vibrissae of a California sea lion (Zalophus californianus) for the ratio of the vortex-induced vibrations caused by flowing water and a hydrodynamic signal consisting of the wake ...
8
Arcanobacterium phocae infection in mink (Neovison vison), seals (Phoca vitulina, Halichoerus grypus) and otters (Lutra lutra)
... The carcasses of mink, seals and otters were subjected to standard necropsy procedures. Except for three mink (Nos. 1, 5 and 6), specimens of lung, liver, spleen, duo- denum, ileum and kidney were sampled for ...
6
Identification and Molecular Characterization of Beta Hemolytic Streptococci Isolated from Harbor Seals (Phoca vitulina) and Grey Seals (Halichoerus grypus) of the German North and Baltic Seas
... Biochemical properties of the bacteria were determined with the commercial test system API 50 CH. The 8 group C and the 61 group F streptococci displayed almost identical biochemical properties. The group C and group F ...
5
Summary of National Parks & Wildlife Service surveys for common (harbour) seals (Phoca vitulina) and grey seals (Halichoerus grypus), 1978 to 2003
... grey seals at this island group has shown dramatic fluctuations since the first surveys were undertaken (Figure ...of seals were found on the Blasket Islands during the surveys in 1979, 1983, 1984, 1988 and ...
68
Selective heating of vibrissal follicles in seals (Phoca vitulina) and dolphins (Sotalia fluviatilis guianensis)
... Although detailed morphological studies are still unavailable, the vibrissal follicles of odontocetes have been described as vestigial structures of the integument, having no blood sinuses, blood vessels or nerve fibres ...
7
Health, disease, mortality and survival in wild and rehabilitated harbor seals (Phoca vitulina) in San Francisco Bay and along the central California coast
... fasting seals than feeding ...harbor seals ALT is also found in skeletal muscle and kidneys such that its presence in blood is not liver specific (Fauquier et ...harbor seals, ALT was increased in ...
197
Detection and direction discrimination of single vortex rings by harbour seals (Phoca vitulina)
... Harbour seals possess highly sensitive vibrissae that enable them to track hydrodynamic trails left behind by a swimming ...harbour seals to detect and analyse single vortex rings regarding directional ...
12
Dirofilaria immitis in pinnipeds and a new host record
... common seals Phoca vitulina, 2 grey seals Halichoerus grypus, 3 California sea lions Zalophus californianus and 6 South African fur seals Arctocephalus pusillus ...
6
Seasonal variation in harbour seal (Phoca vitulina) blubber cortisol A novel indicator of physiological state?
... Cortisol is one of the main glucocorticoid hormones involved in both the mammalian stress response, and in fat metabolism and energy regulation, making it of increasing interest as a biomarker for stress, health and ...
9
Monitoring harbour seal (Phoca vitulina) in the Danish Wadden Sea
... The mass die-off in 1988 is discussed within the framework of the knowledge on the population, and it is recommended that more effort be put into monitoring and population studi[r] ...
10
Assay dependence of Brucella antibody prevalence in a declining Alaskan harbor seal (Phoca vitulina) population
... harbor seals from this area for the presence of anti–Brucella ...harbor seals previously and would likely not cross react with Brucella organism (s) known to be circulating in harbor seal populations as ...
5
Static inflation and deflation pressure–volume curves from excised lungs of marine mammals
... (Phoca vitulina), gray seal (Halichoerus grypus), Atlantic white-sided dolphin (Lagenorhynchus acutus), common dolphin (Delphinus delphis), Rissoʼs dolphin (Grampus griseus), long-finned pilot whale ...
7