TABLE 4.

Pearson correlations between pairwise distance and the presence of a weir separating sample sites and (a) pairwise estimates of migration or population differentiation for all sample sites and (b) directional migration estimates in the River Seven

	Simple Mantel test		Partial Mantel test
	Distance	Weir	Distance	Weir
a.
NmMIG	−0.56***	−0.51***	−0.46***	−0.39***
mBAPS	−0.54***	−0.40***	−0.46***	−0.25**
FST	0.53***	0.35***	0.46***	0.18*
b.
NmMIG
Upstream	−0.60***	−0.79***	−0.37*	−0.70***
Downstream	−0.31*	−0.48**	−0.09	−0.39*
mBAPS
Upstream	−0.47***	−0.58**	−0.26a	−0.44**
Downstream	−0.40*	−0.16	−0.37*	0.05

***P < 0.001; **P < 0.01; *P < 0.05.

^a0.05 < P < 0.10.