Table 1.

ANCOVA on PLD and spawning dates. (Standard length (SL) was set as covariate. n.s., not significant; Res, residuals; MS, mean squares. See text for factor labels. ***p < 0.001.)

		PLD		spawning dates
source	d.f.	MS	pseudo-F	MS	pseudo-F
SL	1	21.94	4.80 n.s.	1.06	0.03 n.s.
Lo	6	7.75	0.85 n.s.	71.614	0.79 n.s.
Si(Lo)	6	9.34	9.12***	92.359	16.11***
Res	125	1.02		5.733
total	139			139