Translate the following English sentence to French:
"It will certainly be necessary to reduce the amount of fish caught and the elimination of the surplus capacity between 30 and 40%, as proposed by the Commission, has been very greatly watered down by the Council, to between 5 and 10%."
Il faudra certainement diminuer l' effort de pêche, et la suppression des capacités excédentaires de 30 à 40 %, qui était proposée par la Commission, a été bien édulcorée par le Conseil, jusqu' à 5 et 10 %.