Table 1 Comparison of the best models of the POPAN 5.0 analyses for estimating the daily population sizes of B. pales in 2014 in Parcul Natural Bucegi, Romania: Akaike information criterion (AIC_C) and number of considered parameters

Grazed sector

{phi(g x T ² ) p(g + hours) pent(g + t) N(g x t)}

{phi(g x T) p(g + hours) pent(g + t) N(g x t)}

{phi(g x T) p(g x hours) pent(g + t) N(g x t)}

Ungrazed sector

{phi(g + t) p(g x hours) pent(g + t) N(g x t)}

{phi(g + t) p(g + hours) pent(g + t) N(g x t)}

{phi(g + t) p(g + hours) pent(g x t) N(g x t)}