Abundance of insects and aerial insectivorous birds in relation to pesticide and fertilizer use

Table 3 Multi-variate analysis of variance (MANOVA) for principal component analysis (PCA) for pesticides, fertilizer and agricultural land-use in relation to the abundance of Swift, House Martin and Barn Swallow

All between	Value	Exact F	Numerator df	Denominator df	P
All between-subject effects	0.067	68.34	3	2957	< 0.0001
Intercept	0.923	2730.72	1	2957	< 0.0001
PC1	0.017	48.87	1	2957	< 0.0001
PC2	0.0002	0.74	1	2957	0.931
PC3	0.022	66.02	1	2957	< 0.0001
All within interactions	0.963	18.85	6	5912	< 0.0001
Species	0.769	1136.57	2	2956	< 00010
Species * PC1	0.026	37.87	2	2956	< 0.0001
Species * PC2	0.011	16.16	2	2956	< 0.0001
Species * PC3	0.016	23.97	2	2356	< 0.0001

ISSN: 2053-7166