851947.fig.001a
(a)
851947.fig.001b
(b)
Figure 1: Presence/absence of plant families sampled in the environment and in bee pollen loads (with associated the relative abundance) (indicated by a line to a bee picture) through the period of collection. (a) Site A (wood site). (b) Site B (crop site). For bees, only families with abundance >1% were considered.