Restos esqueléticos de osos (Ursus arctos y Ursus spelaeus) en el oriente de la Región Cantábrica. Distribución geográfica y análisis biométrico [PDF]
En este trabajo se presenta un amplio conjunto paleontológico recuperado en treinta y cuatro cavidades situadas en la mitad oriental de los Montes Vascos. Los restos estudiados fueron recopilados durante cuatro décadas por Mario Laurino.
Aritza Villaluenga
openalex +1 more source
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]
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
doaj +3 more sources
Optimization of Energy Management in a City Bus Powered by the Hydrogen Fuel Cells
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
doaj +1 more source
Members of the family Ursidae in the Museum of Nature of Kharkiv University and their craniological features [PDF]
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Dietary ecology of the extinct cave bear: Evidence of omnivory as inferred from dental microwear textures [PDF]
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
doaj +1 more source
Hydrochemical properties of springs Slatinski Izvor and Solenica (Republic of Macedonia)
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
doaj +1 more source
Anthropogenic food: an emerging threat to polar bears
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

