Results 41 to 50 of about 7,119 (220)

Genetic variation between populations of the harp seal,Phoca groenlandica [PDF]

open access: yesICES Journal of Marine Science, 1996
Liver and muscle tissue collected from harp seals (Phoca groenlandica) in the Newfoundland area were analysed by isoelectric focusing of five known variable enzyme systems. Allele frequencies were compared with corresponding frequencies previously recorded in north-east Atlantic samples. Muscle tissue collected from harp seals in the White Sea area and
openaire   +1 more source

Morphology of the cornea and iris in the Australian lungfish Neoceratodus forsteri (Krefft 1870) (Dipnoi): Functional and evolutionary perspectives of transitioning from an aquatic to a terrestrial environment

open access: yesJournal of Morphology, Volume 285, Issue 1, January 2024.
The Australian lungfish, Neoceratodus forsteri, is the earliest branching species of extant lungfishes having changed little over the last 100 million years and is thought to be a key species for the fish–tetrapod transition. This ultrastructural study of the cornea reveals it is not split into dermal and scleral components and is similar to that of ...
Hermann Barry Collin   +2 more
wiley   +1 more source

Angiotensin II and Aldosterone Increase with Fasting in Breeding Adult Male Northern Elephant Seals (Mirounga angustirostris) [PDF]

open access: yes, 2006
The renin‐angiotensin‐aldosterone system (RAAS) appears to contribute significantly to osmoregulation of fasting northern elephant seal (Mirounga angustirostris) pups; however, RAAS has not been characterized in fasting adult seals. Therefore, this study
Crocker, Daniel E. E.   +3 more
core   +1 more source

Trace metal accumulation in hair and skin of the harbour seal, Phoca vitulina [PDF]

open access: yes, 1993
Skin and hair samples of harbour seals (Phoca vitulina) found dead along the west coast of northern Germany in 1988 were analysed for total mercury, cadmium and lead.
Adelung, Dieter   +3 more
core   +1 more source

Phoca groenlandica Erxleben 1777

open access: yes, 1993
{"references": ["Pallas, P. S. 1811 [1831]. Zoographia Rosso-Asiatica, sistens omnium Animalium in extenso Imperio Rossico et adjacentibus maribus observatorum recensionem, domicillia, mores et descriptiones, anatomen atque icones plurimorum. [ICZN Opinion 212 -- dates of volumes: 1 & 2: 1811; 3: 1814]. Petropoli, in officina Caes.
openaire   +1 more source

Energy transfer and female condition in nursing harp seals Phoca groenlandica

open access: yesEcography, 1984
Lactating female harp seals, most with their pups, were collected on the “whelping” ice in the Gulf of St. Lawrence in 1976 and from 1978 to 1980. During lactation females lost weight at an average rate of 3.17±0.52 (SE b ) kg d −1 , for a total energy ...
R. E. A. Stewart, D. M. Lavigne
openaire   +1 more source

Rescue, rehabilitation, and release of marine mammals: An analysis of current views and practices. [PDF]

open access: yes, 1996
Stranded marine mammals have long attracted public attention. Those that wash up dead are, for all their value to science, seldom seen by the public as more than curiosities.
Geraci, Joseph R.   +2 more
core  

Analysis of blood gases, serum fat and serum protein: a new approach to estimate survival chances of stranded Harbor seal (Phoca vitulina) pups from the German North Sea [PDF]

open access: yes, 2014
BACKGROUND: Facing numerous challenges, such as illness, storms or human disturbance, some harbor seal (Phoca vitulina) pups lose contact to their dams and are found abandoned along the North Sea coast.
Jörg Driver   +4 more
core   +1 more source

Accumulation of Heavy Metals in Franciscanas from Buenos Aires Province, Argentina [PDF]

open access: yes, 2002
Marine mammals accumulate heavy metals in their tissues at different concentrations according to trophic levels and environmental conditions. The franciscana (Pontoporia blainvillei) is a small coastal species inhabiting the marine and estuarine areas of
Bastida, R.O.   +4 more
core  

The use of DNA barcoding to monitor the marine mammal biodiversity along the French Atlantic coast [PDF]

open access: yes, 2013
International audienceIn the last ten years, 14 species of cetaceans and five species of pinnipeds stranded along the Atlantic coast of Brittany in the North West of France.
Alfonsi, Eric   +7 more
core   +4 more sources

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