Results 141 to 150 of about 3,159 (193)
How adaptive solutions from marine mammal life history could address pressing problems in reproductive biomedicine. [PDF]
F S RepShero MR.
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The hotspots of entanglement for pinnipeds of the world
Marine Pollution Bulletin, 2023Pinnipeds represent one of the most vulnerable marine groups severely affected by entanglements. However, the lack of standardized data collection poses a challenge when comparing the impacts of fishing gear across various geographic regions. In this study, we employed Generalized Additive Models to predict entanglement incidents stemming from fishing ...
Britta Denise Hardesty +2 more
exaly +3 more sources
Electrocardiogram of Pinnipeds
American Journal of Veterinary Research, 1972SUMMARY Electrocardiograms were obtained from 6 pinnipeds, including 2 elephant seals (Mirounga angustirostris), 1 harbor seal (Phoca vitulina), and 3 California sea lions (Zalophus californianus). All had marked sinus arrhythmia with cardioacceleration during inspiration and slowing during expiration and respiratory pauses.
R L, Hamlin +2 more
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Vanadium Accumulation in Pinnipeds
Archives of Environmental Contamination and Toxicology, 1999Vanadium in four species of pinnipeds (northern fur seals [Callorhinus ursinus], Steller sea lions [Eumetopias jubatus], harbor seals [Phoca vitulina], and ribbon seals [Phoca fasciata]) caught in the Northern Pacific was analyzed using ICP-MS to understand its accumulation and distribution.
K, Saeki +7 more
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Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1975
Abstract 1. 1. Harp ( Pagophilus groenlandicus ) and harbour ( Phoca vitulina ) seals had rod visual pigments with λ max of 496–497 nm. Grey seals ( Halichoerus grypus ) had a similar, if not identical visual pigment. 2. 2. The visual pigment from the northern fur seal ( Callorhinus ursinus ) appeared to have a λ max near 500 nm. 3.
D M, Lavigne, K, Ronald
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Abstract 1. 1. Harp ( Pagophilus groenlandicus ) and harbour ( Phoca vitulina ) seals had rod visual pigments with λ max of 496–497 nm. Grey seals ( Halichoerus grypus ) had a similar, if not identical visual pigment. 2. 2. The visual pigment from the northern fur seal ( Callorhinus ursinus ) appeared to have a λ max near 500 nm. 3.
D M, Lavigne, K, Ronald
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Biological Reviews, 1993
This review presents summary figures of, and fits growth curves to, data on body lengths (as standard length, SL, whenever possible) of pinnipeds at ages estimated to O.I y. (1) Generalized von Bertalanffy (vB) growth curves are fitted to most data: Lx = L infinity (I - ea(x-x0)b, Lx is length at age x, x0 is the origin of the curve (here chosen a ...
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This review presents summary figures of, and fits growth curves to, data on body lengths (as standard length, SL, whenever possible) of pinnipeds at ages estimated to O.I y. (1) Generalized von Bertalanffy (vB) growth curves are fitted to most data: Lx = L infinity (I - ea(x-x0)b, Lx is length at age x, x0 is the origin of the curve (here chosen a ...
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American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 1992
Splenic volume was measured by computerized axial tomography in three harbor seals (Phoca vitulina) and two California sea lions (Zalophus californianus). Volumes ranged from 228 to 679 ml, representing 0.8-3.0% of calculated percentage body mass. Despite possible variation in the state of splenic contraction during the examination, these values are ...
P J, Ponganis +3 more
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Splenic volume was measured by computerized axial tomography in three harbor seals (Phoca vitulina) and two California sea lions (Zalophus californianus). Volumes ranged from 228 to 679 ml, representing 0.8-3.0% of calculated percentage body mass. Despite possible variation in the state of splenic contraction during the examination, these values are ...
P J, Ponganis +3 more
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Candidiasis in captive pinnipeds
Journal of the American Veterinary Medical Association, 1984Summary Diagnosis, treatment, and possible pathogenesis of candidiasis were studied in 5 species of pinnipeds in captivity: gray seal (Halichoerus grypus), harbor seal (Phoca vitulina), northern fur seal (Callorhinus ursinus), California sea lion (Zalophus califor-nianus), and northern elephant seal (Mirounga an-gustirostris).
J L, Dunn, J D, Buck, S, Spotte
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Organochlorine Contamination in Pinnipeds
1994Organochlorines, such as PCBs and DDT, are ubiquitous contaminants. Most studies reporting concentrations of organochlorines in pinnipeds have investigated ringed, grey, and harbour seals. Very few studies have been carried out on pinnipeds from the southern hemisphere.
J D, Hutchinson, M P, Simmonds
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Underwater Sounds of Pinnipeds
Science, 1963Descriptions and analyses are presented of underwater sounds made by six species of seals in captivity, Zalophus californianus , Phoca vitulina , P. (Pusa) hispida , P. (Pagophilus) groenlandica , Halichoerus grypus , and
W E, Schevill, W A, Watkins, C, Ray
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