Skull-Based Method of Age Determination for the Brown Bear Ursus arctos Linnaeus, 1758
نویسندگان
چکیده
منابع مشابه
allometric growth pattern and sexual dimorphism of skull on brown bear(ursus arctos linnaeus, 1758)of the alborz mountain
this study was conducted to investigate theallometric growth pattern and sexual dimorphism in the skull of both sexes ofiranian brown bear (ursus arctos) in thealborz mountains using geometric morphometric and traditional morphometric techniques. morphometric parameters were obtained from 2d pictures of skulls using the software imagej and allometric growth pattern was calculated as a power fun...
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Although the American black (Ursus americanus) and American brown (grizzly) (Ursus arctos horribilis) bears have been the subjects of intensive physiological research, very little so far, has been done to understand the physiology of the European brown bear (Ursus arctos arctos). In our laboratory the research on the physiology of European brown bears started 10 years ago. Between 1987 and 1997...
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The brown bear Ursus arctos L., 1758 population of the Cantabrian Mountains (northwestern Spain) became isolated from other bear populations in Europe about 500 years ago and has declined due to hunting and habitat degradation. At the beginning of the 20th century, the Cantabrian population split into eastern and western subpopulations, and genetic exchange between them ceased. In the early 199...
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BACKGROUND Information on hemostasis and platelet function in brown bear (Ursus arctos) is of importance for understanding the physiological, protective changes during hibernation. OBJECTIVE The study objective was to document platelet activity values in brown bears shortly after leaving the den and compare them to platelet function in healthy humans. METHODS Blood was drawn from immobilize...
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A congenital heart malformation was diagnosed in a free-ranging adult female European brown bear (Ursus arctos) found dead due to intraspecific violence. At necropsy, the heart had all four features of Fallot's tetralogy. No further malformations were identified in the animal, which was of normal size and weight for its age, in normal body condition, and had probably borne young. The heart cond...
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ژورنال
عنوان ژورنال: Achievements in the Life Sciences
سال: 2014
ISSN: 2078-1520
DOI: 10.1016/j.als.2015.04.002