Results 81 to 90 of about 15,567 (163)

Efficacy of aerial forward-looking infrared surveys for detecting polar bear maternal dens.

PLoS ONE, 2020
Denned polar bears (Ursus maritimus) are invisible under the snow, therefore winter-time petroleum exploration and development activities in northern Alaska have potential to disturb maternal polar bears and their cubs.
Tom S Smith, Steven C Amstrup, B J Kirschhoffer, Geoffrey York   +3 more
doaj   +1 more source

Polar bear dens on the Seal and Caribou Rivers, Manitoba

Arctic Science
During aerial surveys, we opportunistically located clusters of polar bear (Ursus maritimus Phipps, 1774) earth dens on and near the Seal and Caribou Rivers in Northern Manitoba in 2011, 2022, and 2023.
Douglas A. Clark, Joanie L. Kennah, Chantal Cadger MacLean, Stephen N. Atkinson   +3 more
doaj   +1 more source

No need to replace an “anomalous” primate (Primates) with an “anomalous” bear (Carnivora, Ursidae)

ZooKeys, 2015
By means of mitochondrial 12S rRNA sequencing of putative “yeti”, “bigfoot”, and other “anomalous primate” hair samples, a recent study concluded that two samples, presented as from the Himalayas, do not belong to an “anomalous primate”, but to an ...
Eliécer Gutiérrez, Ronald H. Pine
doaj   +1 more source

Per- og poly- flurorinerte forbindelser i isbjørn (Ursus maritimus) og ringsel (Pusa hispida) i arktis [PDF]

, 2023
Denne bacheloroppgaven tar for seg hvordan to arktiske predatorer, isbjørn (Ursus maritimus) og ringsel (Pusa Hispida) påvirkes av miljøgiften perfluorooktylsulfonat (PFOS).
Gaare, Gaia Aleksandra Saastad
core  

Saltmarshes on the fringe : restoring the degraded shoreline of the Eden Estuary, Scotland [PDF]

, 2015
Saltmarshes are highly valued habitats but the majority of the Eden Estuary’s saltmarsh was buried under sea defences and ad hoc rubbish dumps during the last century.
Maynard, Clare E.
core   +2 more sources

Traditional Knowledge About Polar Bears (Ursus maritimus) in East Greenland: Changes in the Catch and Climate Over Two Decades

Frontiers in Marine Science, 2018
In Greenland, polar bears (Ursus maritimus) are nutritional, economic, and cultural subsistence resources for Inuit. Traditional Ecological Knowledge (TEK) collected from subsistence hunters can provide important insights and improve management decisions
Kristin L. Laidre, Allison D. Northey, Fernando Ugarte   +2 more
doaj   +1 more source

Transthyretin-Binding Activity of Contaminants in Blood from Polar Bear (Ursus maritimus) Cubs

, 2013
We determined the transthyretin (TTR)-binding activity of blood-accumulating contaminants in blood plasma samples of approximately 4-months-old polar bear (Ursus maritimus) cubs from Svalbard sampled in 1998 and 2008.
Wiig, O., Aars, J., Derocher, A. E., Lamoree, M.H.; id_orcid, Leonards, P.E.G., Leonards, P.E.G.; id_orcid, Bytingsvik, J., Lamoree, M.H., Simon, E., Jenssen, B.M., Hamers, T., Lie, E.   +11 more
core   +1 more source

Ursus maritimus Phipps 1774

, 1993
<p> <i>Ursus maritimus</i> Phipps, 1774. Voyage Towards North Pole, p. 185.</p> <p>TYPE LOCALITY: "on the main land of Spitsbergen" [Norway].</p> <p>DISTRIBUTION: Circumpolar in the Arctic, S limits ...
W. Christopher Wozencraft
core   +1 more source

Polar bears and expanding sea ice in the Mid Holocene Aleutian Islands, Alaska

Scientific Reports
The archaeological record offers the opportunity to infer the effects of regional climatic shifts on species distributions and human-animal interactions.
Lillian Draper Parker, Catherine F. West, Kaylee Hope Tatum, Michael Etnier, Brandi Bethke, Katherine Reedy, Nikkita Shellikoff, Courtney A. Hofman   +7 more
doaj   +1 more source

(Table 3) Mean plasma lipid content, and plasma PCB and OH-PCB concentration of polar bear (Ursus maritimus) mothers and cubs

, 2011
(Table 3) Mean plasma lipid content, and plasma PCB and OH-PCB concentration of polar bear (Ursus maritimus) mothers and ...
Jenny Bytingsvik (1929151), Jon Aars (681814), Lie, Elisabeth, Aars, Jon, Jenssen, Bjørn Munro, Øystein Wiig (7995425), Wiig, Øystein, Andrew E Derocher (7995422), Bytingsvik, Jenny, Elisabeth Lie (1929157), Derocher, Andrew E, Bjørn Munro Jenssen (7996721)   +11 more
core   +1 more source