Mostrando 241 - 250 Resultados de 250 Para Buscar '"Ursus arctos"', tiempo de consulta: 0.37s Limitar resultados
  1. 241
    “…Stable isotope ratios of grizzly bear (Ursus arctos) guard hair collected from bears on the lower Stikine River, British Columbia (BC) were analyzed to: 1) test whether measuring δ(34)S values improved the precision of the salmon (Oncorhynchus spp.) diet fraction estimate relative to δ(15)N as is conventionally done, 2) investigate whether measuring δ(34)S values improves the separation of diet contributions of moose (Alces alces), marmot (Marmota caligata), and mountain goat (Oreamnos americanus) and, 3) examine the relationship between collection date and length of hair and stable isotope values. …”
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    The influence of sulfur and hair growth on stable isotope diet estimates for grizzly bears
  2. 242
    por André, Marcos Rogério
    Publicado 2018
    “…(FU98 strain) seems to show a broader range of hosts, since it has been detected in red fox, golden jackal (Canis aureus) and badger (Meles meles) in Europe so far. Brown (Ursus arctos) and black (Ursus americanus) bears seem to play a role as hosts for A. phagocytophilum in the North Hemisphere. …”
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    Diversity of Anaplasma and Ehrlichia/Neoehrlichia Agents in Terrestrial Wild Carnivores Worldwide: Implications for Human and Domestic Animal Health and Wildlife Conservation
  3. 243
    por Bombieri, G., Naves, J., Penteriani, V., Selva, N., Fernández-Gil, A., López-Bao, J. V., Ambarli, H., Bautista, C., Bespalova, T., Bobrov, V., Bolshakov, V., Bondarchuk, S., Camarra, J. J., Chiriac, S., Ciucci, P., Dutsov, A., Dykyy, I., Fedriani, J. M., García-Rodríguez, A., Garrote, P. J., Gashev, S., Groff, C., Gutleb, B., Haring, M., Härkönen, S., Huber, D., Kaboli, M., Kalinkin, Y., Karamanlidis, A. A., Karpin, V., Kastrikin, V., Khlyap, L., Khoetsky, P., Kojola, I., Kozlow, Y., Korolev, A., Korytin, N., Kozsheechkin, V., Krofel, M., Kurhinen, J., Kuznetsova, I., Larin, E., Levykh, A., Mamontov, V., Männil, P., Melovski, D., Mertzanis, Y., Meydus, A., Mohammadi, A., Norberg, H., Palazón, S., Pătrașcu, L. M., Pavlova, K., Pedrini, P., Quenette, P. Y., Revilla, E., Rigg, R., Rozhkov, Y., Russo, L. F., Rykov, A., Saburova, L., Sahlén, V., Saveljev, A. P., Seryodkin, I. V., Shelekhov, A., Shishikin, A., Shkvyria, M., Sidorovich, V., Sopin, V., Støen, O., Stofik, J., Swenson, J. E., Tirski, D., Vasin, A., Wabakken, P., Yarushina, L., Zwijacz-Kozica, T., Delgado, M. M.
    Publicado 2019
    “…Although rare, attacks by brown bears Ursus arctos are also on the rise and, although several studies have addressed this issue at local scales, information is lacking on a worldwide scale. …”
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    Brown bear attacks on humans: a worldwide perspective
  4. 244
    por Sarmento, Wesley, Berger, Joel
    Publicado 2020
    “…To improve estimates of goat escape terrain, we conducted field work across two years (2014–15) in Glacier National Park, Montana USA and manipulated apparent predation risk by exposing mountain goats to a threatening simulated grizzly bear (Ursus arctos) treatment and a non-threatening ungulate (control) treatment. …”
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    Conservation implications of using an imitation carnivore to assess rarely used refuges as critical habitat features in an alpine ungulate
  5. 245
    “…In hibernating brown bears (Ursus arctos), we hypothesized that beyond an overall suppression of the ECS, seasonal shift in endocannabinoids compounds could be linked to bear’s peculiar features that include hibernation without arousal episodes and capacity to react to external disturbance. …”
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    Specific shifts in the endocannabinoid system in hibernating brown bears
  6. 246
    “…Conversely, large hibernators, such as the brown bear (Ursus arctos), show a moderate decrease in temperature during hibernation, thought to be related to the bear’s large size. …”
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    Body mass is associated with hibernation length, body temperature, and heart rate in free-ranging brown bears
  7. 247
    “…Our analysis used 20 years of grizzly bear (Ursus arctos) and gray wolf (Canis lupus) movement data collected in and around Banff National Park, Canada. …”
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    Towns and trails drive carnivore movement behaviour, resource selection, and connectivity
  8. 248
    “…METHODS: We investigated human impact on movement and habitat selection by GPS-collared male brown bears (Ursus arctos) in two life stages (residents and dispersers) in central Sweden. …”
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    Movement and habitat selection of a large carnivore in response to human infrastructure differs by life stage
  9. 249
    “…Apennine brown bears (Ursus arctos marsicanus) survive in an isolated and critically endangered population, and their food habits have been studied using traditional scat analysis. …”
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    Gaining insight into the assimilated diet of small bear populations by stable isotope analysis
  10. 250
    “…In this study, we used the chromosome-level genome of the giant panda to identify OR genes and compared the genome sequences of OR genes with five other Ursidae species (spectacled bear (Tremarctos ornatus), American black bear (Ursus americanus), brown bear (Ursus arctos), polar bear (Ursus maritimus) and Asian black bear (Ursus thibetanus)). …”
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    Comparative Analysis of Olfactory Receptor Repertoires Sheds Light on the Diet Adaptation of the Bamboo-Eating Giant Panda Based on the Chromosome-Level Genome
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