Weddell seal
Physiological control of diving behaviour in the Weddell seal Leptonychotes weddelli: a model based on cardiorespiratory control theory
... adult Weddell seal: (1) that the control of diving can be considered to be a respiratory control problem, and (2) that dives are initiated and maintained by disfacilitation of respiratory drive, not ...
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The effect of myoglobin concentration on aerobic dive limit in a Weddell seal
... a Weddell seal (Leptonychotes weddellii) and ran it for four Mb concentrations: 5, 27, 54 and 108·g Mb·kg –1 muscle representing 7%, 50%, 100% and 200%, respectively, of the normal Mb concentration in ...
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Diving into old age: muscular senescence in a large bodied, long lived mammal, the Weddell seal (Leptonychotes weddellii)
... in Weddell seal myocytes is at odds with expectations for mammalian muscle aging, which is generally associated with declining myocyte size (Evans, ...for Weddell seals (Fujise et ...
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In the face of hypoxia: myoglobin increases in response to hypoxic conditions and lipid supplementation in cultured Weddell seal skeletal muscle cells
... models, that chronic environmental hypoxia as the lone stimulus is not sufficient to increase myoglobin expression (Kanatous et al., 2009). It was only when the skeletal muscle was stimulated to contract under hypoxia ...
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Weddell seal harvesting at Scott Base, McMurdo Sound, Antarctica, 1970–76
... whole Weddell seal population of eastern McMurdo Sound, because the seals that congregate in late summer near Scott Base are predominantly older animals (> 3 years ...
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The cost of foraging by a marine predator, the Weddell seal Leptonychotes weddellii: pricing by the stroke
... The final component of the generalized energetic model is the energy required for prey warming, digestion and assimilation (Fig.·6). For the Weddell seals in this study, feeding resulted in a 44.7% increase in ...
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Muscular apoptosis but not oxidative stress increases with old age in a long lived diver, the Weddell seal
... Male Weddell seals spend substantial time in the water guarding tidal cracks in the shorefast sea ice for access to breeding females (Siniff et ...male Weddell seals may reflect higher activity in this ...
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Muscle temperature and swim velocity profiles during diving in a Weddell seal, Leptonychotes weddellii
... Aortic temperature reductions of 1–3˚C have previously been recorded during or after extended dives in Weddell seals, Leptonychotes weddellii (Kooyman et al. 1980; Hill et al. 1987). Such changes appeared to be ...
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Studies on the Weddell seal (Leptonychotes weddelli Lesson) in McMurdo Sound, Antarctica
... that for asbestos Bryden, 1964 , and secondly as a possible metabolic fuel supplementing glycogen from the livero Co Liver The average proportion of liver weight to total bled body weigh[r] ...
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Population ecology of the Weddell seal (Leptonychotes weddelli) in McMurdo Sound, Antarctica
... Study Area Stranded l10raines Harble Point Cape Hallet Cape Crozier Franklin Island Cape Bird "\lhi te Island.. Study Area Stranded Horaines l·larble Point Cape Bird .Jhi te Island TOTAL[r] ...
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The ontogeny of aerobic and diving capacity in the skeletal muscles of Weddell seals
... homeotherms, Weddell seal pups would be under thermoregulatory stress in order to maintain a core temperature of 37°C in an environment with temperatures ranging between –10 and ...of Weddell seals, ...
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Bimodal winter haul out patterns of adult Weddell seals (Leptonychotes weddellii) in the southern Weddell Sea
... the Weddell seal population in the pack ice of the south- ern Weddell Sea is the remoteness of the region and the inability to retrieve animal-borne instruments that can collect large amounts of ...
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Sex related differences in the postmolt distribution of Weddell seals (Leptonychotes weddellii) in the southern Weddell Sea
... of Weddell seals in the south- ern Weddell ...of Weddell seal habitats around the Southern Ocean to better understand why we see this difference in ...the Weddell Sea is the Antarctic ...
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Aspects of the ecology of Weddell seals at the Vestfold Hills, Prydz Bay, East Antarctica
... Interannual variation is currently being investigated by monitoring the population of Weddell seals at Vestfold Hills, Prydz Bay, East Antarctica A diurnal cycle in Weddell seal haul-out[r] ...
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Intrinsic anti inflammatory properties in the serum of two species of deep diving seal
... deep-diving seal (Weddell and northern elephant seals), the cytokine response of whole blood exposed to LPS ex vivo was lower compared with that of human blood exposed to LPS under the same conditions ...
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Factors affecting stroking patterns and body angle in diving Weddell seals under natural conditions
... the Weddell seal, northern elephant seal Mirounga angustirostris, bottle nose dolphin Tursiops truncatus and the blue whale Balaenoptera musculus (Skrovan et ...elephant seal, penguins and ...
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Resistance of a compartmented surface-effect ship
... inner seal was lowered to its full extent. The rear seal was then pressurized, and then the air ...rear seal pressure. It was found that the rear seal could find a stable equilibrium in either ...
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What is the impact of Family SEAL? An evaluation of the Family SEAL intervention examining the impact of the programme on children and parent/carer participants
... Family SEAL programme to other areas of school ...Family SEAL programme, is that it may be unrealistic to expect to note considerable changes in measures of children’s emotional literacy after such a short ...
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DESIGN AND DEVELOPMENT OF INTERNAL MECHANICAL SEAL FOR CHEMICAL PROCESSING CENTRIFUGAL PUMP.
... mechanical seal is a device which helps join systems or mechanisms together by preventing leakage ...A seal may also be referred to as ...face seal is an important component of variety of pumps used ...
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ANALYSIS STUDY OF DUST SEAL GAP DEFECT OF A FRONT FORK
... dust seal gap defect is really undesirable as it affects the functionality of the front ...dust seal is firmly pressed with the outer ...dust seal gap component and the outer ...the seal or in ...
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