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2 July 2021 How Do the Beaver Home Ranges Vary during the Range Expansion?
Jan Horníček, Kamila Šimůnková, Jan Mokrý, Jana Korbelová, Aleš Vorel
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Abstract

Reoccupation of European landscapes by native species causes changes in their population densities and home ranges. To test whether an increase in population density affects home range sizes, we studied the strictly territorial herbivore Eurasian beaver (Castor fiber). Twenty-four beavers were radio-tracked to reveal their home ranges under varying population densities. The mean length of occupied shorelines was 2648.0 ± 1530.6 m. We did not find any linkage between home range sizes and population densities. Our results showed that the availability of resources was significantly associated with the duration of site occupation. Thus, the space use was primarily determined by the availability of food resources, rather than by rising population density.

© Finnish Zoological and Botanical Publishing Board
Jan Horníček, Kamila Šimůnková, Jan Mokrý, Jana Korbelová, and Aleš Vorel "How Do the Beaver Home Ranges Vary during the Range Expansion?," Annales Zoologici Fennici 59(1), 17-28, (2 July 2021). https://doi.org/10.5735/086.059.0102
Received: 5 August 2020; Accepted: 14 May 2021; Published: 2 July 2021
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