Table 1.

Relative area (%) of particular habitats in 20-km buffers around the sampling sites [according to the CORINE Land Cover model (CLC2012)] in the northern (N, N = 13) and southern (S, N = 7) regions of the study area

Region	Arable land	Pastures	Artificial surfaces	Forests	Water bodies	Wetlands
N	38.5	7.1	2.4	36.6	7.3	0.8
S	40.6	9.6	3.4	34.0	1.2	0.8
χ 2 test	4.42	37.69	15.32	7.38	353.62	0.01
P	0.03	<0.0001	0.0001	0.007	<0.0001	0.93