Table 1.

Influences of species, community type (sympatry versus allopatry), and their interactions on the first 8 PCs

PCs	Explained variance (%)	Species		Community type(sympatry/allopatry)		Species × community type
		F	P-value	F	P-value	F	P-value
PC1	25.1	6.02	0.014	8.79	0.003	1.11	0.293
PC2	16.7	0.20	0.652	36.15	<0.001	7.93	0.005
PC3	7.1	53.55	<0.001	20.61	<0.001	39.49	<0.001
PC4	7.0	12.54	<0.001	20.69	<0.001	21.20	<0.001
PC5	5.3	0.00	0.985	0.08	0.776	10.95	0.001
PC6	4.7	23.24	<0.001	74.70	<0.001	1.98	0.160
PC7	4.6	122.05	<0.001	11.32	0.001	1.20	0.273
PC8	3.8	0.01	0.912	13.51	<0.001	4.13	0.043

Degrees of freedom were 1 for each factor and 723 for error in all analyses. Significant P-values (P < 0.05) are indicated in bold.