The applicability of camera trapping to estimate population density of chamois in Biokovo Nature Park
Nikica Šprem Nera FABIJANIĆ Ksenija PROTRKA Zvjezdana POPOVIĆ Ante BULIĆ Boris ŠABIĆ
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Sažetak Chamois (Rupicapra rupicapra L.) with the Biokovo Nature Park is one of the largest and most stable populations of chamois in Croatia. Reintroduced in year 1964, and present estimated population size is estimated at 350 to 400 individuals. Estimate of population size is very important, since the animals inhabit and are often distributed across forest habitats, it is sometimes difficult and/or very expensive. Therefore, our objective was use of sensor cameras to estimate population density and population structure of chamois on the Biokovo mountain. The study was conducted in summer 2011th year, with three sensor cameras in three different localities. The cameras have recorded a total of 1003 JPEG images. During monitoring, we recorded 164 different individuals of chamois, of which there are 119 female and 45 male specimens. Daily dynamics of arriving was the highest in two periods, morning between 06:00 and 08:00, and in the evening between 18:00 and 20:00. The results of sensor cameras can be considered valid, and are extremely technical aid for the better management and protection of animal species, because we have data on the structure of the population.