Table 5. Estimates of demographic parameters under the model of ongoing migration (IM) and secondary contact (SC) in each river.

River	Model	NeLf	NeLp	Ne ancestral population	Migration from Lp to Lf	Migration from Lf to Lp	Split time	Time secondary contact
		median [95HPD]	median [95HPD]	median [95HPD]	median [95HPD]	median [95HPD]	median [95HPD]	median [95HPD]
AA	IM	1310[930–2020]	410[290–680]	2290[2260–2350]	0.0025[0.0018–0.0032]	0.003[0.0027–0.003]	268000[246000–282000]
	SC	1480[760–2550]	390[270–620]	1850[1600–2110]	0.0022[0.002–0.0025]	0.0032[0.003–0.0033]	191200[168000–230000]	89200[61400–108000]
BET	IM	1620[1260–2350]	940[430–1540]	1650[1500–1780]	0.0029[0.0027–0.0032]	0.0035[0.0033–0.0037]	29800[24200–34200]
	SC	1930[1280–2630]	940[570–1420]	1160[1030–1300]	0.0024[0.002–0.0027]	0.0033[0.0032–0.0038]	322000[265600–396400]	164600[116000–212800]
BRE	IM	1020[440–2450]	310[120–790]	1360[440–2370]	0.0004[0.0004–0.0015]	0.002[0.0006–0.0039]	274000[99800–453800]
	SC	1610[910–2720]	740[220–1500]	1440[320–2620]	0.0017[0.0004–0.0041]	0.0025[0.0007–0.0046]	268000[140800–446400]	20400[3800–124600]
HEM	IM	1000[710–194]	190[130–310]	2600[2480–2700]	0.002[0.0017–0.0027]	0.0042[0.0039–0.0044]	240000[191200–270000]
	SC	860[660–1280]	350[80–880]	1680[1200–1880]	0.0031[0.0028–0.0034]	0.0024[0.002–0.0029]	278000[231400–328800]	99400[85400–110000]
RIS	IM	840[600–1540]	620[620–880]	840[770–930]	0.0021[0.0015–0.003]	0.0025[0.0018–0.0031]	197000[181800–209400]
	SC	1360[840–2320]	640[640–1030]	1010[660–1520]	0.0036[0.0034–0.004]	0.0037[0.0036–0.0038]	226000[168600–320400]	91200[42600–151800]
Average	IM	1158[788–1710]	494[318–840]	1748[1490–2026]	0.0020[0.0016–0.0027]	0.003[0.0025–0.0036]	201760[148600–249880]	[–]
	SC	1448[890–2300]	612[356–1090]	1428[962–1886]	0.0026[0.0021–0.0033]	0.003[0.0025–0.0037]	257040[194880–344400]	92960[61840–141440]
OIR	PANa	2050[1940–2180]

Notes.

Ne

effective population size

Lf

Lampetra fluviatilis

Lp

Lampetra planeri

^aThe PAN model is controlled by a single parameter the effective population size of the single population (made of both Lf and Lp backgrounds).