Fig. 3From: Intra-specific differences in allometric equations for aboveground biomass of eastern Mediterranean Pinus brutia Country-specific relationships between dbh and a stem, b branch, c needle, and d total biomass. The 95 % confidence intervals for country-specific allometric models are shown by the gray areas around the model predictions. The thick solid line represents the predictions of the regional model based on pooled data (Lebanon + Syria)Back to article page