Results 141 to 150 of about 130,433 (199)

Assessing the influence of blubber stratification on the estimation of diet in phocid seals using the MixSIAR model. [PDF]

Sci Rep
Carrasco-Cárdenas A, Barrios-Guzmán C, Negrete J, Rogers TL, Guerrero AI.   +4 more
europepmc   +1 more source

Underwater sound production of free-ranging Hawaiian monk seals. [PDF]

R Soc Open Sci
Parnell K, Smith C, Diaz A, Fertitta K, Thompson P, Patton PT, Charrier I, Robinson SJ, Pacini A, Bejder L.   +9 more
europepmc   +1 more source

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A HARP SEAL × HOODED SEAL HYBRID

Marine Mammal Science, 1997
AbstractIn this study we report the first documentation of mating between harp (Phoca groenlandica) and hooded seals (Cystophora cristata). The production of this hybrid was quite unusual, being the result of a cross between parents of different genera which are morphologically dissimilar and have quite different mating behavior and dramatically ...
Kit Kovacs, Bradley N White
exaly   +2 more sources

Phagocytic Activity of Leukocytes in Harp Seals

Doklady Biological Sciences, 2020
Phagocytic and cytochemical parameters of peripheral blood leukocytes in adult and 1.5-month-old harp seal pups were studied. Phagocytic number, proportion of phagocytic leukocytes, and phagocytic activity, average number of absorbed latex particles per leukocyte, were determined.
N N, Kavtsevich, I A, Erokhina, T V, Minzyuk   +2 more
openaire   +2 more sources

Reconstructing the ecological history of the extinct harp seal population of the Baltic Sea

Quaternary Science Reviews, 2021
The harp seal (Pagophilus groenlandicus), today a subarctic species with breeding populations in the White Sea, around the Jan Mayen Islands and Newfoundland, was a common pinniped species in the Baltic Sea during the mid- and late Holocene.
Aikaterini Glykou, Giedrė Piličiauskienė, Kerstin Lidén   +2 more
exaly   +2 more sources

Body composition of harp seals

Canadian Journal of Zoology, 1994
Using chemical analysis we measured the composition of 26 harp seals (Phoca groenlandica) representing both sexes, aged between 3 months and 30 years, and encompassing a wide range of body conditions. Predictive relationships between total body water and total body fat contents, total body protein content, and gross energy were calculated.
Rosemary Gales, Deane Renouf, Elizabeth Noseworthy   +2 more
openaire   +1 more source

ANESTHESIA OF THE HARP SEAL

Journal of Wildlife Diseases, 1972
The harp seal (Pagophilus groenlandicus) was anesthetized with halothane following induction with halothane/nitrous oxide or thiopental sodium. Halothane concentrations of 0.75 - 1.5% were required for surgical anesthesia. The depth of anesthesia was best assessed by heart rate, muscle relaxation and the presence or absence of shivering.
openaire   +2 more sources

Tocopherol distribution in the harp seal, Pagophilus groenlandicus

Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1975
Abstract 1. Tocopherol concentrations in harp seal (Pagophilus groenlandicus) blubber, kidney, liver, heart and skeletal muscle, and plasma were determined by gas-liquid chromatography. 2. Only α-tocopherol was found, with blubber having the highest concentration, 90 μg/g.
F R, Engelhardt, J R, Geraci, B L, Walker   +2 more
openaire   +2 more sources

Methylmercury poisoning in the harp seal (Pagophilus groenlandicus)

Science of The Total Environment, 1977
Hematological and blood chemistry values were examined in harp seals (Pagophilus groenlandicus) exposed to daily oral dosages of methylmercuric chloride (MMC). Two seals, exposed to 0.25 mg MMC/kg body weight/day for 60 and 90 days, respectively, did not show abnormal blood values.
K, Ronald, S V, Tessaro, J F, Uthe, H C, Freeman, R, Frank   +4 more
openaire   +2 more sources

Blubber and flipper heat transfer in harp seals

Acta Physiologica Scandinavica, 1997
The trunk of marine mammals is encased in a blubber layer which provides thermal insulation that can be changed by circulatory adjustments. The extremities, on the other hand, are poorly insulated but have vascular arrangements constructed for prevention or promotion of heat loss, depending on the thermal state of the animal.
P H, Kvadsheim, L P, Folkow
openaire   +2 more sources