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High-rate algal pond treatment for water reuse in an integrated marine fish recirculating system: effect on water quality and sea bass growth ArchiMer
Deviller, Genevieve; Aliaume, Catherine; Franco, Miguel; Casellas, Claude; Blancheton, Jean-paul.
A high-rate algae pond (HRAP) was tested as a second loop of water treatment in a recirculating fish rearing system to reduce water requirements and nutrient discharge levels. Three duplicated groups of sea bass (mean initial body weight 3 5 I I g) were reared under different system conditions (flow-through system, recirculating system and recirculating system with HRAP) for I year. Fish survival rate was higher in the system with HRAP, and their mean body weight was statistically higher (p<0.05) during the month of maximal climatic conditions for algae photosynthesis. After 266 days of experiment, mean fish weight was significantly higher (p<0.05) in the flow-through system than in the recirculating systems. Final fish weight was 15% higher in the...
Tipo: Text Palavras-chave: Sustainability; Phosphorus; Nitrogen; Fish growth; Recirculation; High rate algae pond.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-620.pdf
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