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. Le-sandre-est-un-percidé-largement-répandu-en-europe, Le fonctionnement de ses populations méridionales est cependant mal connu. L'objectif de ce travail est d'apporter des connaissances nouvelles sur l'écologie du sandre par l'étude de la population d'un réseau de canaux en Camargue (sud de la France) Différentes techniques ont été mises en oeuvre pour étudier l'isolement de la population (génétique, morphométrie), l'utilisation de l'habitat (télémétrie), la biologie (traits de vie) et la dynamique dans le système, Le fonctionnement de cette population dépend plus de facteurs biotiques qu'abiotiques (contrairement à ce qui est observé sur les populations septentrionales), ainsi que de facteurs anthropiques