Results 11 to 20 of about 20,285 (228)

Anthropogenic food: an emerging threat to polar bears

open access: yesOryx, 2023
Supplemental food from anthropogenic sources is a source of conflict with humans for many wildlife species. Food-seeking behaviours by black bears Ursus americanus and brown bears Ursus arctos can lead to property damage, human injury and mortality of ...
Tom S. Smith   +7 more
doaj   +1 more source

THE GENUS URSUS IN EURASIA: DISPERSAL EVENTS AND STRATIGRAPHICAL SIGNIFICANCE

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2017
On the basis of the results of former studies by the present authors five main groups of bears are recognized: Ursus gr. minimus - thibetanus (black bears), Ursus gr. etruscus (etruscan bears), Ursus gr. arctos (brown bears), Ursus gr.
MARCO RUSTIONI, PAUL MAZZA
doaj   +1 more source

Novel range overlap of three ursids in the Canadian subarctic

open access: yesArctic Science, 2019
We describe for the first time in the peer-reviewed literature observations of American black bear (Ursus americanus Pallas, 1780), grizzly bear (Ursus arctos Linnaeus, 1758), and polar bear (Ursus maritimus Phipps, 1774) at the same locations.
Douglas Andrew Clark   +5 more
doaj   +1 more source

Geoinformation modeling of potentially important territories for the brown bear's stay in the Transcarpathian region

open access: yesЛюдина і довкілля: Проблеми неоекології, 2023
Purpose. Search for important areas for the presence of the brown bear (Ursus arctos) within the Transcarpathian region using geoinformation modeling tools to optimize the boundaries of the structural elements of the econetwork.
M. V. Teslovych, D. A. Krychevska
doaj   +1 more source

Efficient Trichromatic Nd:YLF Laser Emitting at 1047 nm, 1053 nm and 1314 nm

open access: yesPhotonics, 2023
We report a Nd:YLF laser, side-pumped by a diode-stack at 797 nm with 1545 W peak power, resulting in triple-wavelength emission at 1314 nm, 1053 nm, and 1047 nm.
Felipe Maia Prado   +2 more
doaj   +1 more source

Ursus americanus

open access: yes, 2021
Ursus americanus (Pallas, 1780) Black Bear Figure 2H Material examined. MEXICO – Chihuahua • 1 Municipality of Namiquipa, Potrero Lajas, 28°46′34″N, 107° 27′34″W; elevation 2,180 m a.s.l.; 16 Jan. 2018; obs. F. Álvarez-Córdova. Identification. This is the only extant species of Ursus Linnaeus, 1758 in Mexico. It is a medium-sized bear with long, coarse,
Álvarez-Córdova, Fernando   +1 more
openaire   +1 more source

Ursus sp.

open access: yes, 2019
Ursus sp. (Fig. 12) Material – Layer 4: Left dI 3 (VER 2017.8222.); – Left deciduous lower caninus fragment (VER 2017.8221.) (Fig. 12). Remarks – The identification of the remains is rather uncertain. Very probably the specimens are Ursus deningeri remains, but on the basis of deciduous teeth the precise identification is impossible.
Gasparik, Mihály, Pazonyi, Piroska
openaire   +1 more source

Viruses in unexplained encephalitis cases in American black bears (Ursus americanus).

open access: yesPLoS ONE, 2020
Viral infections were investigated in American black bears (Ursus americanus) from Nevada and northern California with and without idiopathic encephalitis.
Charles E Alex   +12 more
doaj   +1 more source

Trichinella T9 in wild bears in Japan: Prevalence, species/genotype identification, and public health implications

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2023
In Japan, the recent series of sporadic outbreaks of human trichinellosis caused by Trichinella (Nematoda: Trichocephalida) has occurred owing to the consumption of raw or insufficiently cooked meat from wild bears.
Masaki Murakami   +9 more
doaj   +1 more source

Harnessing personal and social resources in managing internalising and externalising symptoms in children living in low‐resource settings

open access: yesJCPP Advances, EarlyView.
Abstract Background Children growing up in low‐resource settings are at greater risk for lifelong psychiatric problems. They are both more likely to have risk factors for early psychopathology and to be less likely to seek help and engage support for these problems.
Julia E. Michalek   +4 more
wiley   +1 more source

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