Results 111 to 120 of about 7,621 (257)

An assessment of microplastics in fecal samples from polar bears (Ursus maritimus) in Canada's North

Arctic Science
We assessed the potential for plastic ingestion in polar bears (Ursus maritimus (Phipps (1774))) using fecal analysis. Two method studies ensured our protocols could effectively recover and identify plastics in feces. First, microplastics (film, foam, or
P.U. Iyare, H.L. Vanderlip, M. Dias, J.F. Provencher, S. Zou, S.C. Lougheed, P.J. Van Coeverden de Groot, G. Whitelaw, M. Branigan, M. Dyck, D.M. Orihel   +10 more
doaj   +1 more source

Polar bears observed climbing steep slopes to graze on scurvy grass in Svalbard

Polar Research, 2017
It is well known that polar bears feed on vegetation. Here, I report novel observations of polar bears grazing on polar scurvy grass (Cochlearia groenlandica) at the foot of a large seabird colony on a cliff on Spitsbergen, Svalbard, in the summers of ...
Lech Stempniewicz
doaj   +1 more source

Serum Virome of Southern Beaufort Sea polar bears (<i>Ursus maritimus</i>) during a period of rapid climate change. [PDF]

Conserv Physiol, 2023
Fry TL, Owens LA, Ketz AC, Atwood TC, Dunay E, Goldberg TL.   +5 more
europepmc   +1 more source

Semi-quantitative Assessment of Alzheimer's-like Pathology in Two Aged Polar Bears (Ursus maritimus). [PDF]

Comp Med, 2022
Lucot KL, Bukhari SA, Webber ED, Bonham TA, Darian-Smith C, Montine TJ, Green SL.   +6 more
europepmc   +1 more source

Foxes and food subsidies: anthropogenic food use by red and Arctic foxes, and effects on Arctic fox survival, on the Arctic Coastal Plain of Alaska [PDF]

, 2013
Thesis (M.S.) University of Alaska Fairbanks, 2013Food subsidies have the potential to impact wildlife on the Arctic Coastal Plain of Alaska. Red foxes (Vulpes vulpes (L., 1758)) expanded their range into Arctic regions during the 20th century, and the ...
Savory, Garrett
core  

An exploratory spatial contaminant assessment for polar bear (Ursus maritimus) liver, fat, and muscle from northern Canada. [PDF]

Environ Pollut, 2023
Boutet V, Dominique M, Eccles KM, Branigan M, Dyck M, van Coeverden de Groot P, Lougheed SC, Rutter A, Langlois VS.   +8 more
europepmc   +1 more source

An on-ice aerial survey of the Kane Basin polar bear (Ursus maritimus) subpopulation. [PDF]

Polar Biol, 2022
Wiig Ø, Atkinson SN, Born EW, Stapleton S, Arnold T, Dyck M, Laidre KL, Lunn NJ, Regehr EV.   +8 more
europepmc   +1 more source

Evolution and biogeography of mammals [PDF]

, 2010
U ovom radu sam pisala o biogeografiji i o novim saznanjima na području evolucije sisavaca. Znanstvenici su dali mnoge odgovore ali je ostalo još dosta bitnih i neriješenih pitanja vezanih za njihovu evoluciju.
Vlajčić, Mila
core   +2 more sources

The Adrenal Cortisol Response to Increasing Ambient Temperature in Polar Bears (Ursus maritimus). [PDF]

Animals (Basel), 2022
Leishman EM, Franke M, Marvin J, McCart D, Bradford C, Gyimesi ZS, Nichols A, Lessard MP, Page D, Breiter CJ, Graham LH.   +10 more
europepmc   +1 more source

Los mamíferos salvajes terrestres como bioindicadores: nuevos avances en Ecotoxicología [PDF]

Ecotoxicology as science pretends to correctly identify problems associated to the presence and the effect of chemical substances in the environmental and the wildlife.
Hermoso de Mendoza García, M., Pérez López, M., Soler Rodríguez, F.   +2 more
core   +1 more source