Results 1 to 10 of about 20,196 (226)
Clarification of the status of Paraferreola Šustera, 1912 as an available genus name in Pompilidae, and the identity of Sphex ursus Fabricius, 1793 in Mutillidae (Hymenoptera) [PDF]
Journal of Hymenoptera Research, 2022 The usage of Paraferreola Šustera, 1912 since its proposal as a genus of spider wasps, but based on a misidentified type species (Sphex ursus Fabricius, 1793, actually a species of Mutillidae), shows that it continues to be applied (although infrequently)
Denis J. Brothers +2 more
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Optimization of Energy Management in a City Bus Powered by the Hydrogen Fuel Cells
Communications, 2021 The article describes the design and optimization of operation of an electric bus powered by the hydrogen fuel cells. At the beginning, an approach to design of a 12-meter urban bus, powered by hydrogen, is presented, as well as
Arkadiusz Małek +3 more
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Members of the family Ursidae in the Museum of Nature of Kharkiv University and their craniological features [PDF]
Theriologia Ukrainica, 2019 The exhibition and scientific collection of the Museum of Nature currently deposit 16 specimens of the family Ursidae (bears), which belong to three species and 6 subspecies.
Yuriy Iliukhin
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Acta Carsologica, 2020 a loose/broken stalagmite containing small fragments of cemented bones were collected from the Postojna Cave to investigate whether deoxyribonucleic acid (DNA) can be determined.
Matej Lipar +6 more
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Arctic Science, 2020 Contemporary climate change is predicted to expose some species to altered predation regimes. Losses of Arctic sea ice are causing polar bears to increasingly forage on colonial seaduck eggs in lieu of ice-based hunting of marine mammals.
Cody J. Dey +3 more
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Dietary ecology of the extinct cave bear: Evidence of omnivory as inferred from dental microwear textures [PDF]
Acta Palaeontologica Polonica, 2016 The diet of the extinct European cave bear, Ursus spelaeus, has widely been debated. Diverging from the extant brown bear (Ursus arctos) approximately 1.2 million years ago, the cave bear is one of the most ubiquitous fossil bears occurring in Europe ...
D. Brent Jones, Larisa R.G. DeSantis
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Hydrochemical properties of springs Slatinski Izvor and Solenica (Republic of Macedonia)
Acta Carsologica, 2015 Hydrochemical properties of water samples from the Slatinski Izvor spring and Solenica spring were analyzed during the period between December 2011 – November 2013. The wider area around the springs belongs to two tectonic units.
Biljana Gichevski +3 more
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EDIS, 2019 This document discusses the interaction between black bears and beekeeping in Florida. It highlights the areas in Florida where black bear populations are concentrated and the frequency of bear depredations on apiaries.
Malcom T. Sanford, James D. Ellis
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Anthropogenic food: an emerging threat to polar bears
Oryx, 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
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THE GENUS URSUS IN EURASIA: DISPERSAL EVENTS AND STRATIGRAPHICAL SIGNIFICANCE
Rivista 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
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