Results 121 to 130 of about 516 (167)

Unveiling the Tiny Invaders: A deep dive into microplastics in shrimp - Occurrence, detection and unraveling the ripple effects. [PDF]

Saudi J Biol Sci
Mohan AV, Raja S.
europepmc   +1 more source

Physiological effects of anthropogenic sound on aquatic animals: where are we and what is next? [PDF]

J Exp Biol
Širović A, Amorim MCP, Baumann-Pickering S, Kok ACM.   +3 more
europepmc   +1 more source

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WINTER FEEDING INTENSITY OF NARWHALS (MONODON MONOCEROS)

Marine Mammal Science, 2005
Stomach contents from 121 narwhals (Monondon monoceros) harvested in the eastern Canadian High Arctic and West Greenland were used to quantify seasonal changes in feeding activity and prey selection. Stomachs collected from summer harvests were mostly empty with little evidence of recent feeding.
Mads Peter Heide-Jørgensen
exaly   +2 more sources

Paradoxical escape responses by narwhals ( Monodon monoceros )

Science, 2017
The flight of the narwhal Animals tend to respond to threats with the well-known behaviors of fight, flee, or freeze, each of which requires a different suite of physiological responses. Marine mammals face particular challenges because they may flee into an environment where oxygen is not available and pressure must be ...
Terrie M. Williams, Susanna B. Blackwell, Beau Richter, Mikkel-Holger S. Sinding, Mads Peter Heide-Jørgensen   +4 more
openaire   +3 more sources

Seasonal breeding of the narwhal (Monodon monoceros L.)

Canadian Journal of Zoology, 1974
The narwhal (Monodon monoceros) has been shown to be a seasonal breeder, like the closely related beluga (Delphinapterus leucas). The gestation period is estimated to be about 14 months, while the reproductive cycle is 2 or 3 years. Narwhals appear similar to other odontocetes in those reproductive aspects for which there is information.
R C, Best, H D, Fisher
openaire   +2 more sources

The migratory behaviour of narwhals (Monodon monoceros)

Canadian Journal of Zoology, 2003
Sixteen female narwhals (Monodon monoceros) were tracked by satellite in 2000 and 2001 from their summering ground near Somerset Island in the Canadian High Arctic to their wintering ground in central Baffin Bay. The wintering ground location was spatially discrete from another narwhal wintering ground in southern Baffin Bay.
Heide-Jørgensen, M. P., Dietz, R., Laidre, K. L., Richard, P., Orr, J., Schmidt, H. C.   +5 more
openaire   +2 more sources

On the Stomach of the Narwhal (Monodon monoceros)

Proceedings of the Royal Society of Edinburgh, 1890
Although numerous most admirable descriptions of the stomach of various species of Delphinidae (the family of toothed Whales to which the Narwhal belongs) have from time to time appeared from the pens of most able observers (of whom a list will be found in the references appended), we have found it impossible to find anything more than a mere ...
G. Sims Woodhead, Robert W. Gray
openaire   +1 more source

Low-molecular weight metalloproteins in tissues of the narwhal (Monodon monoceros)

Comparative Biochemistry and Physiology Part C: Comparative Pharmacology, 1986
Narwhal (Monodon monoceros) liver and kidney cytosol were fractionated by gel chromatography, anion-exchange chromatography and electrophoresis. Cadmium was associated largely with low molecular weight proteins, while mercury was associated also with high molecular weight proteins, but apparently not because of saturation of the metallothionein ...
R, Wagemann, B, Hobden
openaire   +2 more sources