Table 2.

Results of general linear models testing the effect of environmental variables on (A) maximum number of sparrows recorded in each location (R² of model = 0.55) and (B) mean number of sparrows recorded in each location (R² of model = 0.77)

Source	df	Type III SS	Mean square	F value	P-value
(A)
Intercept	1	854.34	854.34	11.93	0.001
Food abundance	3	1314.72	438.24	6.12	0.002
Location inhabited	2	466.81	233.4	3.26	0.05
(B)
Intercept	1	119.64	119.64	11.65	0.0021
Food abundance	3	291.11	97.03	9.45	0.0002
Size of location	11	350.9	31.9	3.11	0.008
Active farm in location	2	90.47	45.23	4.41	0.02