Results 101 to 110 of about 18,553 (268)

Identifying key denning habitat to conserve brown bear (Ursus arctos) in Croatia [PDF]

open access: yes, 2017
CONTEXT: The preservation of denning habitat is paramount to the recovery of threatened bear populations because of the effect that den site disturbance can have on cub mortality.
Huber, D   +6 more
core   +1 more source

Behavioral and demographic effects of open‐pit mining on Central Mountain Caribou in British Columbia

open access: yesConservation Science and Practice, EarlyView.
The demographic manifestation of mining effects on caribou, a species listed as Vulnerable on the IUCN Red List of Threatened Species, has been disputed. We characterized a cascade of events for caribou associated with open‐pit coal mining beginning with maladaptive behavior responses leading to negative demographic outcomes for the affected caribou ...
R. S. McNay   +5 more
wiley   +1 more source

Registro actualizado de Oso de las Cavernas y otras especies del género Ursus en la República Checa [PDF]

open access: yes, 2001
[Abstract] During the 2nd half of 20th century, a succession of new Pleistocene localities was discovered and some classical paleontological sites were revised. From many of those places also bear remains were recorded.
Wagner, J.
core   +1 more source

Biological conservation at risk in Slovakia: Brown bears under attack of autocratic pressures

open access: yesConservation Science and Practice, EarlyView.
Recent governance changes in Slovakia have allowed extensive brown bear removals while reducing expert involvement. These developments raise concerns about long‐term management and consistency with EU conservation standards. The case underscores how political context affects conservation outcomes.
Michal Haring   +3 more
wiley   +1 more source

An Evolutionarily Young Polar Bear (Ursus maritimus) Endogenous Retrovirus Identified from Next Generation Sequence Data

open access: yesViruses, 2015
Transcriptome analysis of polar bear (Ursus maritimus) tissues identified sequences with similarity to Porcine Endogenous Retroviruses (PERV). Based on these sequences, four proviral copies and 15 solo long terminal repeats (LTRs) of a newly described ...
Kyriakos Tsangaras   +3 more
doaj   +1 more source

Análisis morfológico y métrico de la dentición y metapodios del oso de Deninger (Ursus deningeri Van Reichenau) de la Cueva Sta Isabel de Ranero. Aminocronología (Valle de Carranza Bizkaia - País Vasco) [PDF]

open access: yes, 2001
Se realiza un análisis métrico y morfológico de la dentición y melapodios del material de Ursus deningeriexcavado en la Cueva santa Isabel en Ranero lBi2~aial. Los resultados obtenidos se comparan con los de otras poblaciones ibéricas de U.
Torres Pérez-Hidalgo, Trinidad José
core   +1 more source

Using digital time-lapse cameras to monitor species-specific understorey and overstorey phenology in support of wildlife habitat assessment [PDF]

open access: yes, 2010
Critical to habitat management is the understanding of not only the location of animal food resources, but also the timing of their availability. Grizzly bear (Ursus arctos) diets, for example, shift seasonally as different vegetation species enter key ...
Bater, Christopher W.   +6 more
core   +1 more source

Plasticity in the reproductive biology of Yellowstone cutthroat trout Oncorhynchus virginalis bouvieri in Yellowstone Lake following lake trout Salvelinus namaycush invasion

open access: yesJournal of Fish Biology, EarlyView.
Abstract Yellowstone cutthroat trout Oncorhynchus virginalis bouvieri in Yellowstone Lake are the focus of intensive conservation efforts due to the threat of predation by invasive lake trout Salvelinus namaycush. Suppression gillnetting has reduced the abundance of predatory lake trout, and the Yellowstone cutthroat trout population is recovering ...
Michelle A. Briggs   +3 more
wiley   +1 more source

Genetic turnovers and northern survival during the last glacial maximum in European brown bears

open access: yesEcology and Evolution, 2019
The current phylogeographic pattern of European brown bears (Ursus arctos) has commonly been explained by postglacial recolonization out of geographically distinct refugia in southern Europe, a pattern well in accordance with the expansion/contraction ...
Erik Ersmark   +23 more
doaj   +1 more source

Oso pardo – Ursus arctos Linnaeus, 1758

open access: yes, 2015
Peer ...
Purroy, Francisco José   +1 more
openaire   +2 more sources

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