Fig. 3From: Mast seeding in deciduous forests of the northern Apennines (Italy) and its influence on wild boar population dynamicsVariation of total number of culled wild boar as a function of a Turkey oak and b chestnut seed production (Mg), c maximum snow depth during November–January period (cm) and d minimum number of wolves in the study area. Linear regression lines along with 95 % confidence intervals were shown on each graphBack to article page