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Fig. 2 | BMC Genetics

Fig. 2

From: Genetic variation in populations of the earthworm, Lumbricus rubellus, across contaminated mine sites

Fig. 2

Principle component analyses of RADseq data for populations of L. rubellus collected across the UK, representing all individuals (a, n = 128), those from lineage A (b, n = 66) and Lineage B (c, n = 62). Triangles represent individuals originating from former mine sites, while circles represent those from nearby control sites. The amount of variance explained by each component is noted on their respective axes

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