Contribution ~ l'am~nagement de la p~che de la Perche dans le lac de Neuch~tel
- D. Pattay
- Rapport de la Commission intercantonale de la p…
The catch of perch (Perca fluviatilis) taken by professional and sport fishing is studied in three lakes located at the foot of the Swiss Jura mountains (lakes of Morat, Neuchâtel and Bienne) where the annual productivity reaches 6 kg/ha. A three year cycle in the catches was induced since fifteen years by fishing pressure. Laws are suggested to improve the situation.