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Registros recuperados: 4
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Aquaculture en système clos : estimation des coûts de production pour l'élevage du bar et du turbot ArchiMer
Lavenant, M; Paquotte, Philippe.
Two major constraints to aquaculture have raised in most countries : the little availability of convenient sites because of the competition for the use of the coastline and the progressive implementation of regulations to reduce the impact of the farms on the environment. The technique of recirculation, widely used for hatcheries, has been developed to answer these constraints and to get free of the natural variations in order to regulate the résults. The ongrowing experimental facilities have proved good enough results to make it possible to conceive industrial projects for sea-bass and turbot. In first approach, the production costs of these systems are similar to traditional techniques but expected productivity gains due to an increase of zootechnical...
Tipo: Text Palavras-chave: Economical aspects; Production costs; Sea bass; Turbot; Marine aquaculture; Recirculation; Closed system; SEM; Aspects économiques; Coût de production; Bar; Turbot; Aquaculture marine; Système clos; Circuit fermé.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/1995/acte-4032.pdf
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Aquaculture marine et littorale ArchiMer
Sauriau, Pierre-guy; Merceron, Michel; Goulletquer, Philippe.
Marine fish farming is fairly recent in France and it is still in the process of being developed. On the Atlantic and Channel coasts, it deals mainly with Atlantic salmon (Salma salar), fario trout (Salmonella faria) with l,400 t in 1991, and turbot (Scophthalmus maximus) with 600 t. In Gravelmes a bass (Dicentrarchus labrax) and bream (Sparus auratus) farm (1,000 t) uses water which is heated (Mediterranean production for these two species is around 2,000 t). Although these figures are low compared to French shellfish farming (200,000 t) and foreign fish farms (150,000 t in Norway, for example), they are growing.
Tipo: Text Palavras-chave: Biocénoses; Conchyliculture; Algoculture; Mesure de Protection; Impact non trophiques; Impact; Aquaculture littorale; Aquaculture marine.
Ano: 1997
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Epidémiologie des bivalves ArchiMer
Grizel, Henri.
The notions of pathology and epidemiology in marine aquaculture are relatively new, especially as far as molluscs are concerned, as they've only been used for about thirty years. Although numerous studies have been conducted, and the concepts in these specific fields have evolved, only very few actions are proposed to stop the spreading of a disease. Only a few main mollusc species are cultivated throughout the world and most of them suffered or suffer from epizooties. Today, their pathological history is more solid: several infectious diseases are now known, numerous pathogens or potential pathogens have been described, diverse mortalities have been studied and several types of tumours have been observed. We now live in some cases, as for the flat oyster...
Tipo: Text Palavras-chave: Aquaculture marine; Pathologie; Conchyliculture; Bivalves; Epidémiologie.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-6580.pdf
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Techniques d'utilisation de la silice pour la production de masse des algues diatomées ArchiMer
Hussenot, Jerome; Gautier, Dominique.
Le document résume les différentes expérimentations menées au CREMA en laboratoire ou sur le terrain pour améliorer la dissolution du silicate de sodium dans l'eau de mer.
Tipo: Text Palavras-chave: Silicium; Silicate de sodium; Fertilisation; Culture de diatomées; Aquaculture marine.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/00020/13118/10127.pdf
Registros recuperados: 4
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