Data/hora: 05/06/2024 03:34:41

Provedor de dados: | 5
País: | France
Título: | Comparaison des performances d'élevage de moules en 4 sites mytilicoles de la baie de Vilaine, de février 2000 à février 2001
Autores: | Mazurie, Joseph; Bouget, Jean-francois; Claude, Serge; Fleury, Pierre-gildas; Langlade, Aime.
Data: | 2001-06
Ano: | 2001
Palavras-chave: | Valve movements; Hermeticity; Muscle strength; Mortality; Growth; South Brittany; Bay of Vilaine; Mytilus edulis; Mussel; Écartements valvaires; Herméticité; Force musculaire; Mortalité; Croissance; Bretagne sud; Baie de Vilaine; Mytilus edulis; Moule.
Resumo: | Mussel samples have been placed in plastic-mesh bags hung on wood poles (« bouchots »), at 4 locations of a mussel culture area in the bay of Vilaine (South Brittany, France). They have been monitored for one year, from February 2000 to February 2001. The recorded growth have been rather fast (plus 1.2 g per month between April and September), and mortalities moderate (between 15% to 25%), with better results in southern stations, further from the estuary.  Among the physico-chemical parameters recorded, the most striking were very low salinities (below 10 g/l) recorded for days, after heavy rains. They provoqued a valve closure of mussels (recorded by a « valvometer »). Some physiological indicators being tested (muscle force and hermeticity) seemed to show an annual pattern according to the reproduction cycle.  No abnormal result has been recorded, that might suspect an effect of the oil escaped from Erika's wreck (décembre 1999).
Tipo: | Text
Idioma: | Francês
Identificador: | http://archimer.ifremer.fr/doc/2001/rapport-6373.pdf
Relação: | http://archimer.ifremer.fr/doc/00000/6373/
Formato: | application/pdf