Vol. 76 (2) 2024

ARTICLES

Human Presence as a Factor Determining the Circadian Activity of Mammal Species in the Sinite Kamani Nature Park


Nikolay P. Dolapchiev1,*, Diana P. Zlatanova2, Dilian Georgiev3 & Elitsa D. Popova2

Abstract
The circadian activity of selected mammal species and the temporal overlap with human presence or between species were analysed in 2013–2014 on the territory of the Sinite Kamani Nature Park, Eastern Stara Planina. The purpose of this study was to determine how the human presence affected the circadian activity of mammal species in this protected area. The wild boar (n = 68) showed 22% overlap with the humans (n = 54) in its circadian activity (Δ = 0.22, CI 0.02–0.21) while the roe deer (n = 144) activity overlapped in 49% with the human activity (Δ = 0.49, CI 0.29–0.51). The European brown hare (n=26) activity had a 23% overlap (Δ = 0.23, CI 0.07–0.26), the golden jackal (n = 42) – 36% (Δ = 0.36, CI 0.22–0.49) and the red fox (n = 131) – 24% (Δ = 0.24, CI 0.06–0.25). The overlap between the red fox and European brown hare activity was 81% (Δ = 0.81, CI 0.71–0.93), between red fox and golden jackal – 71% (Δ = 0.71, CI0.49–0.77) and between red fox and Martes sp. – 81% (Δ = 0.81, CI 0.72–0.93). The target species avoided the range of time when humans were active. This forced the species to use a narrower temporal niche when sharing the same space. These results provided insights for the better management of the species in the protected areas.

Key words
human disturbance, wild animals, protected area

How to Cite
Dolapchiev N.P., Zlatanova D.P., Georgiev D. & Popova E.D. 2024. Human Presence as a Factor Determining the Circadian Activity of Mammal Species in the Sinite Kamani Nature Park. Acta zoologica bulgarica 76 (2) 187-196.