Bisoniana 112. Composition, group size, and spatial distribution of European bison bulls in Białowieża Forest - Digital Repository of Scientific Institutes

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Bisoniana 112. Composition, group size, and spatial distribution of European bison bulls in Białowieża Forest

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Title: Bisoniana 112. Composition, group size, and spatial distribution of European bison bulls in Białowieża Forest

Creator:

Krasińska, M. ; Krasiński, Z.

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Description:

European bison Bison bonasus (Linnaeus, 1758) bulls were observed in the Białowieża Primeval Forest between 1976 and 1990. During snow-free periods mean (±SD) group size was 1.63 ± 1.05. Mean group size in pre-rut was 1.83 ± 1.19 and was significantly (p < 0.001) larger than mean bull group size in rut 1.27 ± 0.63. Most often bulls were solitary (62.0%), small groups of up to 3 bulls were accounted in 32.2% of observations, and groups of 4-9 individuals in 5.8% of observations. In pre-rut period bulls active in reproduction (6-11 years old) secluded themselves from mixed groups; they lived solitary or in bull groups. Mean summer home range size of bulls over 4 yrs old was 2288.0 ± 696 ha. Mean monthly home range in pre-rut period was 963.3 ± 406.4 ha, i.e. significantly (p < 0.001) smaller than in rut (1662.0 ± 510.6 ha). In the snow-free season bulls mostly used fresh and moist deciduous forests (28.9 and 19.1%). Bulls used tree stands more than 20 yrs old (54.3% of observations), but also open areas, i.e. young plantations up to 10 yrs of age, clearcuts and meadows (alltogether 37.3% of observations). In winter, on an average 35% of adult bulls entered large mixed aggregationsgathering near two supplementary feeding sites. The remaining bulls took adventage of other feeding racks or ener farmland. Mean winter home range size of bulls was 426.1 ± 307 ha, and is significantly positively correlated to the aninal age.

Type of object:

Journal/Article

Relation:

Acta Theriologica

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application/pdf

Resource Identifier:

oai:rcin.org.pl:12334 ; 10.4098/AT.arch.95-1

Source:

click here to follow the link

Language:

eng ; Sum. eng.

Rights:

Rights Reserved - Free Access

Terms of use:

Copyright-protected material. May be used within the limits of statutory user freedoms

Digitizing institution:

Mammal Research Institute of the Polish Academy of Sciences

Original in:

Library of the Mammal Research Institute Polish Academy of Sciences

Projects co-financed by:

Programme Innovative Economy, 2010-2014, Priority Axis 2. R&D infrastructure ; European Union. European Regional Development Fund

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Subject and keywords:

Białowieża Primeval Forest Bison bonasus bulls group size group size spatial distribution habitat use home range Poland żubr Puszcza Białowieska Polska wielkość grupy grupy byków

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Last modified:

Oct 2, 2020

In our library since:

Aug 31, 2012

Number of object content downloads / hits:

1837

All available object's versions:

https://rcin.org.pl/publication/28297

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Acta Theriologica

Edition name	Date
Bisoniana 112. Composition, group size, and spatial distribution of European bison bulls in Białowieża Forest	Oct 2, 2020

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