ReMoNor : Résultats 2001

The regional network REMONOR showed 2001's characteristics of growth and quality of oysters (Crassostrea gigas) in the three rearing areas of Normandy. Compared to year 2000, two additional stations along the East Coast have been settled. The summer adults mortalities have been registered between 0 % and 25 %. The average for all the rearing areas reached 6 %. Highest rates have been noticed in the Baie des Veys and the East Coast. The juvenile's mortality occurred during the same season, in summer. This year 2001 is included in lower growth years in all Normandy. This year, the West Coast growth rate appeared to be quit unusual. For the first time growth rates were in the average in the northern area that usually shows very bad performance. We can consider that the growth gradient which is usually present on the West Coast is disappeared. In terms of weight growth, results were close to 2000's. Parameters of oysters quality, flesh rates or Polydora infestation, can be compared to this previous year too.