Activity patterns in the reintroduced Pyrenean brown bear population
نویسندگان
چکیده
منابع مشابه
Noninvasive genetic tracking of the endangered Pyrenean brown bear population.
Pyrenean brown bears Ursus arctos are threatened with extinction. Management efforts to preserve this population require a comprehensive knowledge of the number and sex of the remaining individuals and their respective home ranges. This goal has been achieved using a combination of noninvasive genetic sampling of hair and faeces collected in the field and corresponding track size data. Genotypi...
متن کاملWhich future for the French Pyrenean brown bear (Ursus arctos) population? An approach using stage-structured deterministic and stochastic models.
The Pyrenean brown bear (Ursus arctos) population is considered as one of the most seriously threatened with extinction in Western Europe. To assess its viability and possible needs of augmentation, we develop deterministic and stochastic stage-structured demographic models. The deterministic model reveals that a bear population cannot have a high annual growth rate and is particularly sensitiv...
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We examined the occurrence of brown bear (Ursus arctos) in Finland by using hunterprovided observations and harvest data for 1992–2004. We calculated a simple index (bears observed/ all observation cards) from observation cards filled annually by nearly 5,000 moose hunting clubs. This occurrence index was treated as a dependent variable in a mixed regression model to examine differences between...
متن کاملDistance-dependent effect of the nearest neighbor: spatiotemporal patterns in brown bear reproduction.
In mammals, reproductive synchrony and reproductive suppression usually are found in social, group-living species, which often display hierarchical relationships among related animals. Some individuals, particularly younger, philopatric females beyond the age of sexual maturity, may not raise offspring because they are suppressed by other individuals. Although brown bears (Ursus arctos) are a s...
متن کاملStatus of the Brown Bear in the Pyrenees
The population size of the Pyrenean brown bear (Ursus arctos L.) has declined from about 200 animals to 20 or even less during the past 40 years. Distribution covered the Pyrenean slopes from the Atlantic to the Mediterranean Sea but is now restricted to an area of about 800 km2 in the western French Pyrenees. This area includes a national park, which, however, covers only a small portion of th...
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ژورنال
عنوان ژورنال: Mammal Research
سال: 2020
ISSN: 2199-2401,2199-241X
DOI: 10.1007/s13364-020-00507-w