نتایج جستجو برای: ursus arctos
تعداد نتایج: 1221 فیلتر نتایج به سال:
We modelled probabilities of population decline as a function of annual kill for a population of barren-ground grizzly bears (Ursus arctos) inhabiting Nunavut and the Northwest Territories, Canada. Our results suggest that the population is at risk of decline, especially if annual removal rates increase from the 42-year mean of 13.4 bears per year. Adding six bears to the mean annual kill resul...
The Dayak Meratus Mountains community believes that forests and customary lands are able to provide them with a good livelihood, so rules protection for forest components in the form of flora fauna. This study aims analyze species fauna protected by community. research location is village Hinas Kiri, South Hulu Sungai Regency, Kalimantan. method was carried out semi-structured interviews severa...
The high incidence of Stereotypie behaviors in zoo bears (van Keulen-Kromhout: International Zoo Yearbook 18:177-186, 1978) suggests that the environment of these animals lacks essential stimuli for guiding normal behavior. Three experiments investigated ways in which bear husbandry procedures can be altered to promote normal behavior. In experiments 1 and 2, honey-filled logs were given to a s...
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