Table 2.

Results from body shape variation of individuals collected from stream and reservoir habitats using (a) MANCOVA model with shape variables (n = 11) as dependent variables and (b) ANCOVA model using reservoir and population as random factors and the habitat divergence vector as the dependant variable

			Significance
Effect	Partial variance	Relative variance	F	df	P
(a) Body shape MANCOVA
Centroid	0.316	1.000	21.81	11, 519	<0.001
Basin	0.214	0.677	13.03	66, 2782.55	<0.001
Habitat	0.207	0.655	12.29	11, 519	<0.001
Population (Habitat × Basin)	0.108	0.342	5.81	77, 3117.51	<0.001
Habitat × Basin	0.049	0.155	2.42	66, 2782.55	<0.001
(b) Habitat vector ANCOVA
Habitat	0.372	1.000	8.23	1, 13.88	0.012
Population (Habitat × Basin)	0.215	0.578	11.13	13, 529	<0.001
Basin	0.189	0.508	0.55	6, 14.16	0.763
Centroid	0.048	0.129	26.73	1, 529	<0.001