Table 3. Results of PERMANOVAs analyzing yearly and monthly variation in flower and nectar composition in the Garraf community.

Flower composition	DF	F	R2	P
Year	7	5.84	0.09	< 0.001
Month	3	48.27	0.33	< 0.001
Year x Month	21	4.70	0.22	< 0.001
Residuals	160		0.36
Total	191		1
Nectar composition
Year	7	6.73	0.085	< 0.001
Month	3	72.32	0.394	< 0.001
Year x Month	21	6.05	0.230	< 0.001
Residuals	160		0.290
Total	191		1