Social and Ecological Drivers of the Economic Value of Pollination Services Delivered to Coffee in Central Uganda

Figure 2

Daily richness (a) and density (b) of flower-visiting bee species (average number of bee species recorded visiting flowers, per coffee tree, each visitation counting day conducted in 180 min observations). Different letters above the bars indicate significant differences of means (𝑋 ± SE) between land-use categories at 𝑃≤0.05. 𝑃 = statistical significance level; (1,28) = value for degrees of freedom (DF); 𝐹 = analysis of variance value of Snedecor test; GLM-ANOVA = general linear model analysis of variance.

(a) [GLM-ANOVA: 𝐹 = 3.89, 𝑃 = 0.017, DF (2,28)]

(b) [GLM-ANOVA: 𝐹 = 12.82, 𝑃 < 0.001, DF (2,28)]