Populations of a cyprinid fish are self-sustaining despite widespread feminization of males

Table 3 Summary of pairwise F_STand D_est among roach samples (see Additional file 4 for full table of values)

	F _ST	D _est	P-value^a
Between catchments
Thames/Arun	0.033, (0.002-0.074)^b	0.0617, (0.0124-0.1612)^b
Thames/Nene	0.026, (0.007-0.076)	0.0453, (0.0126-0.1458)
Thames/Trent	0.026, (0.008-0.069)	0.0447, (0.0059-0.1394)
Thames/Chelmer, Blackwater	0.022, (0.005-0.057)	0.0444, (0.0035-0.1191)
Within catchments
Thames	0.022, (-0.004-0.090)	0.0376, (-0.0058-0.1914)
Arun	0.007, (0.002-0.014)	0.0064, (0.0015-0.0104)
Nene	0.002, (0.000-0.003)	0.0010, (-0.0001-0.0020)
Blackwater/Chelmer	0.022, (0.005-0.057)	0.0454, (0.0058-0.0652)
Neighbouring samples in the river Lee/Stort
LeeHUS/LeeHyd’95	-0.002	0.0017	0.78
LeeHyd’10/LeeWhe	0.020	0.0352	>0.00001
LeeWhe/LeeSta	0.009	0.0189	>0.00001
LeeSta/LeeEss	0.009	0.0127	>0.00001
LeeEss/StoBri	0.015	0.0349	>0.00001
Other neighbouring stretches
BlaBlM/BlaSti	0.007	0.0058	>0.00001
AruHUS/AruHor’95	0.002	0.0043	0.22

^aFor F_ST estimate; ^baverage, (range). Pairwise values for neighbouring stretches in the Lee/Stort, the Anglian Blackwater and the Arun are also given.

ISSN: 1741-7007