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	Provedor de dados ArchiMer (1) Autor De Metrio, Gregorio (1) Deflorio, Michèle (1) Farrugio, Henri (1) Fromentin, Jean-marc (1) Palavra-chave Aerial survey (1) Atlantic bluefin tuna (1) Gulf of Lions (1) Index of abundance (1) Ligurian and Tyrrhenian Sea (1) Tipo do documento Text (1) Ano 2003 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Preliminary results of aerial surveys of bluefin tuna in the western Mediterranean sea ArchiMer Fromentin, Jean-marc; Farrugio, Henri; Deflorio, Michèle; De Metrio, Gregorio. One of the aims of the EU project STROMBOLI (2000-2002) was to conduct an aerial survey for bluefin tuna in the western Mediterranean Sea to test the feasibility of computing an index of abundance from direct observation. This approach has at least two advantages: (i) to provide fishery-independent information and observation, and (ii) to compensate for the lack of Mediterranean purse seine CPUE indices. The first surveys were done in June-July 2000 over the Balearic and Sicilian areas, where and when adult bluefin tuna used to concentrate for spawning, but the results were disappointing (spawners can hardly be detected from a plane). In contrast, the results obtained from the surveys for juveniles of BFT in the Gulf of Lions and in the Ligurian and... Tipo: Text Palavras-chave: Atlantic bluefin tuna; Aerial survey; Index of abundance; Gulf of Lions; Ligurian and Tyrrhenian Sea. Ano: 2003 URL: http://archimer.ifremer.fr/doc/00194/30531/28949.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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