Spatial variability in the growth of invasive European barbel Barbus barbus in the River Severn basin, revealed using anglers as citizen scientists | Knowledge and Management of Aquatic Ecosystems

Open Access

Fig. 2

Length frequency histograms of: (A) all Barbus barbus sampled within this study from all reaches (n = 259); (B) B. barbus sampled by angling; and (C) B. barbus sampled by electric fishing.

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