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Contemporary Problems of Ecology

2013 year, number 1

Group and Regional Specificity of Вear Trees

S. V. PUCHKOVSKY
Udmurt State University, 426034, Izhevsk, Universitetskaya str., 1
vpuch@mail.ru
Keywords: reserves, bear trees, marks, natural park, marking regime
Pages: 135-144

Abstract

Data on population communicative systems of brown bear obtained in the reserves of the Upper Pechora (2002, 2004 and 2005) and West Sayan (2007–2009) were compared. The described bear trees were subdivided according to the marking regime into four groups. The fractions of bear trees of different groups, intensity of marking and occurrence of the marks of 18 types were determined, Explanations of the originality of bear trees from different groups were proposed. Differences between the bears of the Upper Pechora and West Sayan in the parameters of communicative systems under discussion were revealed. The possibilities to use these parameters for monitoring the brown bear populations are discussed.