A study of the contribution of stocking and natural recruitement in the fisheries for Arctic charr (Salvelinus alpinus) and whitefish (Coregonus lavaretus) in lake Bourget under reoligotrophication

• Main Authors: Cachera, Sébastien, Caudron, Arnaud, Champigneulle, Alexis
• Other Authors: Comité Intersyndical pour le Suivi et l'Assainissement du Lac du Bourget, Partenaires INRAE, Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques (CARRTEL), Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )
• Format: Conference Object
• Language: English
• Published: HAL CCSD 2010
• Subjects: fisheries; reoligotrophication; COREGONE; recruitment; [SDV]Life Sciences [q-bio]; Alpine Lake; Arctic; Bain; Arctic charr; Salvelinus alpinus
• Online Access: https://hal.inrae.fr/hal-02751553; https://hal.inrae.fr/hal-02751553/document; https://hal.inrae.fr/hal-02751553/file/42089_20111003111504254_1.pdf

National audience Lake Bourget (4400 ha), located in France, is a deep peri-alpine lake. In the middle of the XX century, populations of whitefish (Coregonus lavaretus) with a littoral spawning (<10m) and of Arctic charr (Salvelinus alpinus) with a deep spawning (40-80 m) collapsed in relation wi...