Results 111 to 120 of about 7,579 (247)

Citizen scientists reveal: marine litter pollutes Arctic beaches and affects wild life [PDF]

, 2017
Recent data indicate accumulation areas of marine litter in Arctic waters and significant increases over time. Beaches on remote Arctic islands may be sinks for marine litter and reflect pollution levels of the surrounding waters particularly well.
Bergmann, Melanie, Gutow, Lars, Lutz, Birgit, Tekman, Mine Banu   +3 more
core   +1 more source

Killing for Trophies: An Analysis of Global Trophy Hunting Trade [PDF]

, 2016
As the trophy hunting industry has grown over the last few decades, governments, conservationists, and animal welfare advocates are keen to understand its global economic and conservation impacts with data as supporting evidence.
Jeff Flocken, Jennifer Tsang, Jordi Casamitjana, Scott Lajoie, Shawna Moos   +4 more
core  

A body composition model with multiple storage compartments for polar bears (Ursus maritimus). [PDF]

Conserv Physiol, 2023
Penk SR, Sadana P, Archer LC, Pagano AM, Cattet MRL, Lunn NJ, Thiemann GW, Molnár PK.   +7 more
europepmc   +1 more source

Hominid exploitation of the environment and cave bear populations:the case of Ursus spelaeus Rosenmuller-Heinroth in Amutxate cave (Aralar, Navarra-Spain) [PDF]

, 2007
Cave bears (Ursus deningeri and U. spelaeus) and hominids (Homo heidelbergensis, H. neanderthalensis, and H. sapiens) were potential competitors for environmental resources (subterranean and open air).
Torres Pérez-Hidalgo, Trinidad José
core   +1 more source

State-space models' dirty little secrets: even simple linear Gaussian models can have estimation problems [PDF]

, 2016
State-space models (SSMs) are increasingly used in ecology to model time-series such as animal movement paths and population dynamics. This type of hierarchical model is often structured to account for two levels of variability: biological stochasticity ...
Albertsen, Christoffer M., Auger-Méthé, Marie, Derocher, Andrew E., Field, Chris, Flemming, Joanna Mills, Jonsen, Ian D., Lewis, Mark A.   +6 more
core   +2 more sources

Reply to the discussion by Pilfold “Polar bear mass change confirms hyperphagia follows ringed seal whelping”

Arctic Science
The spring is a critical period when polar bears (Ursus maritimus Phipps, 1774) are thought to have peak access to seals and acquire the majority of their annual energy requirements during a period of hyperphagia. Pagano et al. (Pagano A.M., Atkinson S.N.
Anthony M. Pagano, Stephen N. Atkinson, Louise C. Archer   +2 more
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

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  

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

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