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Fig. 6


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Positions of variables (on left) and grouping of 30 individuals per species (on right, pikeperch in blue, perch in red and pike in green) on PCA axes F1/F2 to see the influence of the environmental variables on the presence / absence of fish individuals in the littoral zone.

Positions des variables (à gauche) et regroupement des 30 individus par espèces (à droite, individus de sandre en bleu, perche en rouge et brochet en vert) sur les axes F1/F2 de l’ACP permettant d’évaluer l’influence des variables environnementales sur la présence/absence des individus en zone littorale.

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