Results 91 to 100 of about 12,180 (220)

Barents Sea polar bears (Ursus maritimus): population biology and anthropogenic threats

open access: yesPolar Research, 2016
This paper examines how anthropogenic threats, such as disturbance, pollution and climate change, are linked to polar bear (Ursus maritimus) population biology in the Svalbard and Barents Sea area, with the aim to increase our understanding of how human ...
Magnus Andersen, Jon Aars
doaj   +1 more source

Anaesthesia of three young grey seals (Halichoerus grypus) for fracture repair [PDF]

open access: yes, 2011
Three young grey seals (Halichoerus grypus) were presented separately for fracture repair to the veterinary teaching hospital of University College Dublin.
Vilhelmiina Huuskonen   +2 more
core   +1 more source

Intraspecific and temporal variability in the diet composition of female polar bears in a seasonal sea ice regime

open access: yesArctic Science, 2017
Predator foraging behaviour is influenced by a suite of intrinsic and extrinsic factors, including energetic requirements, resource availability, and habitat conditions.
Luana Sciullo   +3 more
doaj   +1 more source

Space‐use strategies drive diet composition of Baffin Bay polar bears

open access: yesEcosphere
Polar bears (Ursus maritimus) depend on sea ice to hunt their ice‐associated prey. However, climate‐induced sea ice loss is leading to changes in space‐use strategies of polar bears, with bears in some subpopulations spending more time on land or ...
Jennifer H. Stern   +4 more
doaj   +1 more source

The economics of ending Canada's commercial harp seal hunt [PDF]

open access: yesMarine Policy, 2010
Abstract The roots of the Canadian harp seal hunt can be traced to the 16th Century. But in the mid-20th century, opposition to the commercial hunt became widespread after television images of seal pups being killed with clubs on the pack ice off the coast of Newfoundland were broadcast around the world.
openaire   +1 more source

A comparative analysis of life-history features and adaptive strategies of Arctic and subarctic seal species-who will win the climate change challenge? [PDF]

open access: yes
Understanding and predicting species range shifts is crucial for conservation amid global warming. This study analyzes life-history traits of four seal species (ringed (Pusa hispida (Schreber, 1775)), bearded (Erignathus barbatus (Erxleben, 1777)), harp (
Carlyle, Cody G.   +15 more
core   +1 more source

Oil Identification of harp seal and other select marine mammals

open access: yesForensic Science International: Animals and Environments
Because of the rich omega-3 fatty acids content, harp seal (Pagophilus groenlandicus) oil is a popular supplement that is packaged as pills in Canada and sold for medicinal purposes, although this practice is banned in the United States.
Megahn H. Pinedo   +4 more
doaj   +1 more source

Pinnipeds in New York (1996–2021) are stranding less frequently but human interaction cases are increasing

open access: yesNAMMCO Scientific Publications
Every year pinnipeds from five different species—gray (Halichoerus grypus), harbour (Phoca vitulina), harp (Pagophilus groenlandicus), hooded (Cystophora cristata), and ringed (Pusa hispida) seals—haul out on New York’s beaches.
Maxine Montello   +3 more
doaj   +1 more source

Gastroliths in the harp seal Phoca Groenlandica

open access: yesPolar Research, 1995
An adult harp seal, caught by accident in a gill net during the peak of the seal invasions along the northern coasts of Norway (1986/87), was found to have eaten 2.466 kg of stones with masses up to 265 g. Different theories to why harp seals on occasion deliberately eat stones, with particular emphasis on the hypothesis that these may aid in the ...
openaire   +2 more sources

A comparative analysis of marine mammal tracheas [PDF]

open access: yes, 2013
Author Posting. © The Author(s), 2013. This is the author's version of the work. It is posted here by permission of Company of Biologists for personal use, not for redistribution.
Costidis, Alexander M.   +7 more
core  

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