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Table 2 Leaf length and number of tillers in response to earthworms (−Ew…no earthworms, +Ew…earthworm addition) and plant community composition (low diversity…3 spp.; high diversity…12 spp.)

From: Herbivory of an invasive slug is affected by earthworms and the composition of plant communities

Parameter/ Low plant diversity High plant diversity
Plant species -Ew +Ew -Ew +Ew
Maximum leaf length     
A. elatius 54.1 ± 4.1a 54.5 ± 2.6a 59.9 ± 1.3a 57.8 ± 2.3a
P. vulgaris 6.4 ± 0.7b 5.7 ± 0.6b 7.5 ± 0.5a 8.5 ± 0.4a
T. pratense 23.6 ± 1.3c 20.2 ± 1.5c 30.4 ± 1.2a 27.4 ± 1.0b
Number of tillers     
A. elatius 10.7 ± 1.1a 11.6 ± 1.3a 15.3 ± 2.2a 11.7 ± 1.1a
P. vulgaris 6.1 ± 0.9b 6.7 ± 0.8b 9.6 ± 1.4a 8.8 ± 0.8a
T. pratense 7.4 ± 0.6c 6.1 ± 0.4b 9.9 ± 1.0a 8.5 ± 1.1a
  1. Different letters after values refer to significant differences within a species (Tukey-Tests, p < 0.05). Means ± SE, n = 6.