Data/hora: 06/06/2024 02:50:01

Provedor de dados: 	Institutional Archive of Ifreme (ArchiMer)	
País: 	France	
Título: 	Évaluation des rejets sur la pêcherie de langoustine de Mer celtique	
Autores: 	Charuau, Anatole.	
Data: 	1985	
Ano: 	1985	
Palavras-chave: 	Fleet; Statistics; Celtic sea; Discard; Lobster fishery.	
Resumo: 	If Sea Bass fish farming (Dicentrarchus labrax L.) is currently experiencing an increase in Southern Europe, it is vital, in order to better reflect raising structures, to control its wastes. In order to do so, quantifying this species' wastes is essential to be able to present simple excretion ratios, easily useable by the farmer. Those ratios have been based on nitrogen, phosphorus and carbon masses established on intensive farming and 4 batches belonging to his stock (averaging 24, 5 to 362, 5 g). Each batch was followed up during the course of 1 month and fish farming in its entirety for 2 months. Mass assessments for nitrogen and phosphorus were level ((intrants = extrants) but never precise, contrary to what can be found in bibliography. The main wastes defined were linked to the biomasses found as well as the food quantity fed. Sea Bass carbon excretion could not be clearly defined. According to these follow ups, phosphorus would be the element better utilized by Sea Bass considering nutritional provision. Nitrogen, phosphorus and carbon quantities rejected through farming are very high since for nitrogen and carbon, 90% of the ingestion would be rejected in the environment.	
Tipo: 	Text	
Idioma: 	Francês	
Identificador: 	http://archimer.ifremer.fr/doc/1985/rapport-1753.pdf	
Relação: 	http://archimer.ifremer.fr/doc/00000/1753/	
Formato: 	application/pdf