Figure 1 from: Marchand F, Beaulaton L, Prévost E, Delanoë R, Destouches J, Gueraud F, Guilloux Y, Jeannot N, Huchet E, Lange F, Rives J, Tremblay J, Herrard N, Azam D (2017) Abundance indices and biological traits of juvenile salmon (Salmo salar) sampled in three rivers on the Atlantic and Channel coasts (France). Biodiversity Data Journal 5: e15125. https://doi.org/10.3897/BDJ.5.e15125