Results 121 to 130 of about 576 (154)

Natural limitation of the abundance of the high Arctic Svalbard reindeer

, 2018
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Svalbard reindeer (Rangifer tarandus platyrhynchus): a status report

, 2019
Pedersen, Åshild Ønvik, Paulsen, Ingrid M.G., Albon, Steven, Arntsen, Gustav Busch, Hansen, Brage B., Langvatn, Rolf, Loe, Leif Egil, Le Moullec, Mathilde, Overrein, Øystein, Peeters, Bart, Ravolainen, Virve, Ropstad, Erik, Stien, Audun, Tyler, Nicholas J.C., Veiberg, Vebjørn, Wal, René van der, Andersen, Roy, Beumer, Larissa T., Eischeid, Isabell, Forchhammer, Mads, Irvine, R. Justine, Marolla, Filippo, Pigeon, Gabriel, Reimers, Eigil, Trondrud, Liv Monica   +24 more
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Body composition of Svalbard reindeer

Canadian Journal of Zoology, 1982
Tissue and (or) chemical body composition was determined in 18 Svalbard reindeer, aged [Formula: see text] months prepartum to [Formula: see text] years, and in mainland Norway reindeer, aged [Formula: see text] months prepartum to [Formula: see text] years.
Eigil Reimers
exaly   +2 more sources

Regulation of metabolic rate in Svalbard and Norwegian reindeer

American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 1984
Food intake, body weight, serum levels of triiodothyronine (T3) and free thyroxine (FT4), and metabolic rate were measured at intervals in Svalbard (SR) and Norwegian (NR) reindeer. From summer to winter food intake decreased 57 (SR) and 55% (NR), while body weight decreased 8.6 (SR) and 3.8% (NR). In SR T3 and FT4 changed seasonally, whereas this was
K J, Nilssen, J A, Sundsfjord, A S, Blix
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Seasonal Iron Overload in Svalbard Reindeer Liver

The Journal of Nutrition, 1987
Changes in liver iron concentration in relation to seasonal body weight variations and food iron intake have been investigated in 77 Svalbard reindeer by chemical and histological methods. During the winter season the body weight decreased about 43% in females and 39% in males. Liver weight was reduced about 65% in both sexes.
B, Borch-Iohnsen, K J, Nilssen
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Predation of Svalbard reindeer by polar bears

Polar Biology, 2000
Polar bears (Ursus maritimus) are believed to be obligate predators on marine mammals, and particularly, on two species of seals. This paper reports on observations of polar bears preying (n=7) and scavenging (n=6) on Svalbard reindeer (Rangifer tarandus platyrhyncus). Similar to their closest evolutionary ancestor, the brown bear (U.
Andrew E. Derocher, Øystein Wiig, Georg Bangjord   +2 more
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Synchrony in Svalbard reindeer population dynamics

Canadian Journal of Zoology, 2003
We examined potential synchrony in the growth rates of three Svalbard reindeer (Rangifer tarandus platyrhynchus) populations and tested whether this pattern may result from correlated environmental variation. Two neighbouring populations had synchronized dynamics during the study period, while a more distant population showed different temporal ...
Ronny Aanes, Bernt-Erik Sæther, Erling J Solberg, Sondre Aanes, Olav Strand, Nils Are Øritsland   +5 more
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Metabolic strategies for winter survival by Svalbard reindeer

Canadian Journal of Zoology, 1993
Lying and standing metabolic rates were determined for two tame Svalbard reindeer while the animals were in their winter lethargic state during January and February. Mean nonfasting metabolic rates for the 59-kg animals were 1.25 W∙kg−1 for lying and 1.64 W∙kg−1 for standing at rest.
L. C. Cuyler, N. A. Øritsland
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Microsatellite DNA evidence for genetic drift and philopatry in Svalbard reindeer

Molecular Ecology, 2002
AbstractMainland populations of Arctic reindeer and caribou Rangifer tarandus often undergo extensive movements, whereas populations on islands tend to be isolated and sedentary. To characterize the genetic consequences of this difference, levels of genetic diversity and subdivision of Svalbard reindeer (R. t.
S D, Côté, J F, Dallas, F, Marshall, R J, Irvine, R, Langvatn, S D, Albon   +5 more
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Svalbard reindeer as an indicator of ecosystem changes in the Arctic terrestrial ecosystem

Chemosphere, 2018
Over the years, noticeable effort has been directed towards contaminant determination in multiple biotic samples collected from the inhabitants of the Arctic. Little consideration has been given to polar herbivores, however, especially those from the European parts of the Arctic.
Aneta Dorota, Pacyna, Katarzyna, Koziorowska, Stanisław, Chmiel, Jan, Mazerski, Żaneta, Polkowska   +4 more
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