Results 11 to 20 of about 2,720 (298)

Identifying presence or absence of grizzly and polar bear cubs from the movements of adult females with machine learning [PDF]

open access: yesMovement Ecology
Background Information on reproductive success is crucial to understanding population dynamics but can be difficult to obtain, particularly for species that birth while denning. For grizzly (Ursus arctos) and polar bears (U.
Erik M. Andersen   +11 more
doaj   +2 more sources

Reception of the Ragtime and the Grizzly Bear Dance in the Art of the Early 20th Century [PDF]

open access: yesХудожественная культура, 2023
In this article, the author analyses the reception of the grizzly bear dance in the visual culture of the early 20th century. Such a study is relevant in the Russian discourse, since in recent years, there have been separate works on the reception of ...
Martynova Daria O.
doaj   +1 more source

Landscape condition influences energetics, reproduction, and stress biomarkers in grizzly bears

open access: yesScientific Reports, 2021
Environmental change has been shown to influence mammalian distribution, habitat use, and behavior; however, few studies have investigated the impact on physiological function.
Abbey E. Wilson   +4 more
doaj   +1 more source

Working Together for Grizzly Bears: A Collaborative Approach to Estimate Population Abundance in Northwest Alberta, Canada

open access: yesFrontiers in Conservation Science, 2021
Grizzly bears are a threatened species in Alberta, Canada, and their conservation and management is guided by a provincial recovery plan. While empirical abundance and densities estimates have been completed for much of the province, empirical data are ...
Courtney Hughes   +6 more
doaj   +1 more source

Convergent geographic patterns between grizzly bear population genetic structure and Indigenous language groups in coastal British Columbia, Canada

open access: yesEcology and Society, 2021
Landscape genetic analyses of wildlife populations can exclude variation in a broad suite of potential spatiotemporal correlates, including consideration of how such variation might have similarly influenced people over time.
Lauren H. Henson   +13 more
doaj   +1 more source

Bioturbation by grizzly bears in relict solifluction features of Glacier National Park, Montana, USA

open access: yesRevista de Geomorfologie, 2022
Grizzly bears are an integral part of the northern Rocky Mountains ecosystem, where their foraging and denning leaves a measurable impact on the landscape.
Carol F Sawyer   +2 more
doaj   +1 more source

北极熊和灰熊的杂交对北极熊灭绝的促进

open access: yesWildlife Letters, 2023
This review explores whether recent hybridization events between polar bears (Ursus maritimus) and grizzly bears (Ursus arctos horribilis) will eventually contribute to the extinction of the modern polar bear.
Craig L. Shafer
doaj   +1 more source

Recovery of the grizzly bear at the intersection of law and science

open access: yesFrontiers in Conservation Science, 2023
Over the last 30 years, there have been numerous legal battles over recovery of the grizzly bear. These battles have brought to fore a question central to implementation of the Act, namely is the goal of recovery to merely remediate extinction risk or to
Noah Greenwald
doaj   +1 more source

Estimating grizzly and black bear population abundance and trend in Banff National Park using noninvasive genetic sampling. [PDF]

open access: yesPLoS ONE, 2012
We evaluated the potential of two noninvasive genetic sampling methods, hair traps and bear rub surveys, to estimate population abundance and trend of grizzly (Ursus arctos) and black bear (U.
Michael A Sawaya   +4 more
doaj   +1 more source

Unsecured attractants, collisions, and high mortality strain coexistence between grizzly bears and people in the Elk Valley, southeast British Columbia

open access: yesConservation Science and Practice, 2023
Historical persecution of grizzly bears in North America reduced the species range by 55%. Today, dedicated recovery efforts and shifting societal perceptions have supported the recovery and expansion of grizzly bear populations in many areas.
Clayton T. Lamb   +4 more
doaj   +1 more source

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