Fig. 2: Population structure and admixture among Swedish populations of wels catfish, Silurus glanis, inferred from the native SNP-set (data from the native populations of Båven, Emån, and Möckeln) and the downsampled SNP-set (including also the reintroduced population of Helge å). | Heredity

Fig. 2: Population structure and admixture among Swedish populations of wels catfish, Silurus glanis, inferred from the native SNP-set (data from the native populations of Båven, Emån, and Möckeln) and the downsampled SNP-set (including also the reintroduced population of Helge å).

From: Whole genome sequencing reveals high differentiation, low levels of genetic diversity and short runs of homozygosity among Swedish wels catfish

Fig. 2

A The PCA-analysis of the native individuals shows distinct, non-overlapping, groups based on population origin. B The same analysis from the down-sampled SNP-set resulted in similar groups of native individuals, while the Helge å samples sit more central in the plot, but closest to Båven. C ADMIXTURE plot showing that the populations are distinct without admixture at K = 3, while K values of 4 and 5 show some substructure within Möckeln and Båven, respectively. D The CV-error values from the ADMIXTURE analysis shows that the lowest CV-error value was found at K = 3 (optimal K). E The ADMIXTURE analysis on the down-sampled SNP-set shows that the individuals from Helge å are of admixed origin, with the highest proportion of genetic ancestry deriving from Båven.

Back to article page