Contribution to the knowledge of spatial movements of adult Hermann’s tortoises
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We recorded the movements of adult Eastern Hermann's tortoises (Testudo hermanni boettgeri) in a local population situated in a complex forested habitat system. The average total movement range size (TMRS) calculated over three consecutive years was 4.56 ha and 7.53 ha for males and females, respectively. The largest estimated TMRS of male and female tortoises was 27 ha and 90 ha, respectively. Six females and three males (or 9% and 4%, respectively, of the overall sample) had a movement range size (MRS) greater than 10 ha. Significant differences between male and female MRS were not detected. Body size had no influence on the MRS of individuals in the sample, except on the core movement range size (CMRS) in males. Although the collected data did not enable calculation of the home range in the studied population, the results indicate that the calculated average TMRS of local Hermann tortoises is larger than the average home range in some other populations. Therefore, in the absence of information on the home range size of local adult tortoises, the MRS could be a suitable alternative for planning local species reserves.
Keywords:Adult tortoises; Habitat system; Movement range; Spatial movements; Testudo hermanni boettgeri
- Evolution in Heterogeneous Environments: Adaptation Mechanisms, Biomonitoring and Conservation of Biodiversity (RS-173025)
In: Archives of Biological Sciences (2017), 69(4): 671-677