Table 2. Comparison between groups in function of inter-individual diet variation. For definition of groups see text.

Comparison between groups	Autumn		Spring
	Group 1 Psi < 0, 73 Mean (S.D.)	Group 2 Psi < 0, 73 Mean (S.D.)	Group 1 Psi < 0, 87 Mean (S.D.)	Group 2 Psi < 0, 87 Mean (S.D.)
Scaled mass index	1.33 (0.21)	1.46 (0.17)	n.s.	n.s.
Shannon-Weaver index	0.80 (0.34)	0.68 (0.25)	0.77 (0.34)	0.61 (0.05)
Evenness (J)	0.65 (0.34)	0.55 (0.17)	0.58 (0.17)	0.41 (0.11)
Foraging intensity	6.4 (4.50)	20.6 (13.2)	23.4 (11.9)	46.1 (18.9)
Relative abundance of Collembola	0.45 (0.20)	0.78 (0.08)	0.74 (0.11)	0.85 (0.05)