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Table 2

Number of population samples, mean number of specimens per sample, total number of specimens, number of analyzed microsatellites (NMS), river and sea basin of sample origin, and years of sampling from eight studies from which genetic diversity data were acquired for comparison with our results on the Virgulica creek brood stock sample. Comparisons of diversity values per sample are shown in Figure 2.

Samples Specimens NMS River basin(s) Sea basin(s) Year(s) of sampling Reference

  Mean (SEM)          
14 47.21 (3.74) 661 5 Ammerån Bothnian Bay 1996, 1997 Carlsson and Nilsson (2000)
1 48 48 14 Ammerån Bothnian Bay 1997 Carlsson and Carlsson (2002)
16 35.62 (4.25) 570 9 Luga Gulf of Finland 2000–2004 Lehtonen et al. (2009)
1 49 49 8 Sävarån Bothnian Bay 2005–2006 Nilsson et al. (2008)
17 47.06 (6.97) 800 10 Torneälven, Kalixälven, Luleälven, Piteälven, Byskeälven, Skellefteälven, Sävarån, Ume-Vindelälven, Oreälven, Ångermanälven, Indalsälven, Ljungan, Ljusnan, Dalälven, Bråvikena, Emån, Mörrumsån Bothnian Bay, Bothnian Sea, Southern Baltic Sea 1995, 1999, 2001–2007, 2009 Östergren et al. (2015)
13 21.77 (2.19) 283 8 Akmena-Dane, Bartuva, Dubysa, Jura, Minija Southern Baltic Sea 2003–2005 Samuiloviene et al. (2009)
6 39.83 (0.17) 239 5 Vistula, Rega, hatchery Southern Baltic Sea 1996, 1997 Was and Wenne (2002)
9 101.00 (8.72) 909 7, 12 Vistula Southern Baltic Sea 1971, 2003, 2011 Was and Bernaś (2016)

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