Phocid seals
Aversiveness of sounds in phocid seals: psycho physiological factors, learning processes and motivation
... in phocid seals ( Halichoerus grypus and Phoca vitulina ...of seals to playbacks of sounds based on a model of sensory unpleasantness for humans, sounds from acoustic deterrent devices and sounds ...
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Adaptations to deep and prolonged diving in phocid seals
... hooded seals than in mice, but less than that of the ferret (Mustela putorius ...hooded seals may maintain high spiking activity for up to 60 min in severe ...hooded seals that resting membrane ...
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Changes in stable isotope compositions during fasting in phocid seals
... CONCLUSIONS: Isotopic consequences of lactation, fasting, and growth seem limited in NES and GS, especially in medium-term integrator tissues of feeding activity such as blood cells. Stable isotope ratios in the blood of ...
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Development of an animal borne blood sample collection device and its deployment for the determination of cardiovascular and stress hormones in phocid seals
... Blood collected from a harbor seal was used for the measurement of stress hormones ACTH and cortisol and those from grey seals were used for cardiovascular hormones ANP, AngII and AVP.. [r] ...
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Comparative feeding strategies and kinematics in phocid seals: suction without specialized skull morphology
... Pinnipeds have converged on similar feeding strategies – biting, filter feeding and suction feeding – as observed in other fully aquatic vertebrates (Taylor, 1987; Werth, 2000a; Schwenk, 2000; Hocking et al., 2017; ...
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Stroke volume and cardiac output in juvenile elephant seals during forced dives
... The extended diastolic filling time that accompanies bradycardia may partially account for the increase in V S . An increased strength of myocardial contraction is normally thought to accompany bradycardia and compensate ...
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Effects of buoyancy on the diving behavior of northern elephant seals
... However, phocid seals exhale before diving, so lung volume should not play a role in ...water, seals with thick blubber layers would be more buoyant than those with a greater proportion of lean ...
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Diurnal and seasonal variations in the duration and depth of the longest dives in southern elephant seals (Mirounga leonina): possible physiological and behavioural constraints
... It is likely that daily and seasonal changes in the factors that dictate the physiological capacity to remain submerged are hormonally controlled. Melatonin levels are closely linked to ambient light levels and day ...
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Corkscrew seals : grey seal (Halichoerus grypus) infanticide and cannibalism may indicate the cause of spiral lacerations in seals
... Large numbers of dead seals with characteristic spiral lesions have been washing ashore around the North Atlantic over the past two decades. Interactions with ship propellers and shark predation have been ...
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In pursuit of Irving and Scholander: a review of oxygen store management in seals and penguins
... not consistent with the significant muscle Mb saturation remaining in Weddell seals even during dives beyond the ADL (Guyton et al., 1995) (see Fig. 12). We suspect that this difference is due to the specific ...
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Seasonal changes in buoyancy and diving behaviour of adult grey seals
... elephant seals (Mirounga ...individual seals did not vary with buoyancy in the elephant seal ...elephant seals (Crocker et al., 1997), phocid seals do not achieve a body composition ...
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Discovery of a Novel Hepatovirus (Phopivirus of Seals) Related to Human Hepatitis A Virus
... Viral discovery and genome expansion. The lungs, livers, spleens, and oral mucosae from three harbor seals (Phoca vitulina) were processed for viral discovery. Tissue samples were placed in NucliSens lysis buffer ...
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SYMMETRIES IN IMAGES ON ANCIENT SEALS
... An innate inclination to view symmetrical objects as beautiful produces a consequent improvement of the visual result of many human artefacts. In this paper, we will discuss the presence of symmetry in some ancient ...
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The Symmetries of the Icons on Ancient Seals
... For the Egyptians, a scarab seal was not only an impression seal: it was also an amulet with images and symbols engraved to protect the owner [14-18]. Stamp seals with round or elliptic shapes are considered as ...
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Acoustic Emission Monitoring of Mechanical Seals Using MUSIC Algorithm based on Higher Order Statistics
... mechanical seals started in the ...mechanical seals using the AE ...mechanical seals in a thermal power plant which was not optimised during ...mechanical seals, which have the same period as ...
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Cloth Seals at Iroquois Sites
... The inventory of the Kampen, Leiden, and Amsterdam seals excavated in the United States is based on personal research, personal communications, publications of the William M. Beauchamp Chapter of the New York ...
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SYMMETRIES IN IMAGES ON ANCIENT SEALS
... stamp seals and cylinder seals were made of a hard material, usually stone, and used to press an engraved figure or a short inscription into soft ...times, seals were used for the securing of bags, ...
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Provenanced leaden cloth seals
... The series has no direct parallel in any other county , though special seals for cloths with unspecified faulty workmanship or materials go back to late-medieval[r] ...
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Author index of Papers of Royal Society of Tasmania, 1898 1944
... Studies in Tasmanian Mammals, Living and Extinct.. The Eared Seals of Tasmania.[r] ...
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Further Seals and Sealings from Lerna
... wvhen these were assembled for examination. When the fragments are classed according to seal types, six main groups appear. The largest is that which bears the rosette and tripartit[r] ...
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