Table 3. Distribution of the species occupancy and abundance reported by field sampling among the three sectors of climate suitability defined by the occurrence probabilities resulting from species distribution models.

	Species distribution model		Field sampling
	Occurrence probability interval	Climate suitability	Occupancy (presences/absences)	Abundance (no birds/transect ± SE)
Meadow pipit	0.01–0.31	Low	0.14 (43/262)	0.47 ± 0.18
(all habitats)	0.32–0.58	Medium	0.26 (37/108)	1.11 ± 0.26
	0.59–0.84	High	0.34 (27/52)	2.73 ± 0.33
			χ2 = 32.24, P<0.001	F2,553 = 33.84, P<0.001
Meadow pipit	0.01–0.25	Low	0.18 (26/115)	0.62 ± 0.33
(suitable habitats)	0.25–0.58	Medium	0.31 (42/90)	1.31 ± 0.34,
	0.58–0.84	High	0.54 (55/47)	2.87 ± 0.38,
			χ2 = 33.90, P<0.001	F2,372 = 10.22, P<0.001
Chiffchaff	0.01–0.24	Low	0.11 (20/169)	0.15 ± 0.08
(all habitats)	0.24–0.48	Medium	0.21 (42/201)	0.37 ± 0.07
	0.48–0.74	High	0.42 (48/66)	1.15 ± 0.09
			χ2 = 46.15, P<0.001	F2,553 = 36.91, P<0.001
Chiffchaff	0.01–0.26	Low	0.11 (5/41)	0.13 ± 0.20
(suitable habitats)	0.26–0.49	Medium	0.25 (41/123)	0.41 ± 0.11
	0.50–0.74	High	0.70 (77/33)	1.76 ± 0.13
			χ2 = 73.60, P<0.001	F2,317 = 53.35, P<0.001

The results of χ² and ANOVA analyses to test for differences in species occupancy and abundance are shown.