Figure 2From: Herbivory of an invasive slug is affected by earthworms and the composition of plant communitiesSlug herbivory on the forb P. vulgaris , the legume T. pratense and to total plant community measured three days (uppermost graphs) and six days after slug introduction (middle graphs and bottom graphs). Different letters denote significant differences among treatments within each plant species (Tukey, P < 0.05). Means ± SE, n = 6.Back to article page