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| Título: | Statistical and biological data about the Spanish trawl fishery on blue whiting (Micromesistius Poutasseu Risso) in the NW of the Spanish coast |
Autor: | Robles, Rafael; Porteiro-Lago, Carmen | Palabras clave: | Centro Oceanográfico de Vigo Pesquerías |
Fecha de publicación: | 1978 | Editor: | International Council for the Exploration of the Sea | Citación: | Robles, R. ; Porteiro, C. 1978. Statistical and biological data about the Spanish trawl fishery on blue whiting (Micromesistius Poutasseu Risso) in the NW of the Spanish coast. C.M. 1978/H:40: 12p. | Resumen: | In the present paper a short description of the fleet from the last three years and the yearly catch since 1960 is given. The fishery is based meanly individuals belongging to the I, II and III, age classes our data show the demersal period starts at the first year of life, because we had found individuals between 4 and 13 cms. With the results of the measurements of size and weight of the samples we found a size/weight relation alive defined like: W=00057247 L 304847 The selectivity tests made with polyethylene gears and 40 mm. net in the R/V "Cornide de Saavedra" in May-June 1975 and May 1976 we found a selection factor of 4.3 | URI: | http://hdl.handle.net/10261/328150 |
| Aparece en las colecciones: | (IEO) Informes y documentos de trabajo |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| ICES CM 1978 H40 Statistical and biological data.pdf | 6,03 MB | Adobe PDF |  Visualizar/Abrir |
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