FIGURE 3.
Assimilation rates and stomatal conductance for sun leaves for Q. suber (left, n = 9, A,C) and C. ladanifer (right, n = 7, B,D) with standard error for June, July, and August field campaigns. Letters indicate statistical differences (RMANOVA) of assimilation rates and stomatal conductance between sampling periods at a significance level of p < 0.05 for each species separately. Average measured terpenoid emissions of Q. suber (left, n = 6 for June, n = 8 for July and August, E) and C. ladanifer (right, n = 3 for June, n = 4 for July and August, F) with standard error. Emissions are grouped into monoterpenes (MT), oxygenated monoterpenes (MTO), and sesquiterpenes (SQT).