Analysis of the handline fishery targeting mackerel (Scomber scombrus, L.) in the North of Spain (ICES Division VIIIbc)

Punzón, Antonio; Villamor, B.; Preciado, Izaskun

doi:10.1016/j.fishres.2004.05.002

Cited by 18 publications

(17 citation statements)

References 14 publications

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“…pegreffii hybrids extends their geographic distribution to the Tunisian coasts. Furthermore, the finding of recombinant genotypes and of A. simplex s.str., in S. scombrus from the North African coasts of the Mediterranean Sea, is in accordance with the migratory mode of life for this fish characterised by important movement from Atlantic to Mediterranean (Punzón et al 2004;Villamor et al 2004;Dransfeld et al 2005). The use of some endoparasite species and their infection levels as biological tags in fish stock discrimination is well documented and recurrently deeply reviewed (Beverly-Burton et al 1977;George-Nascimento 1996;MacKenzie 2002;Mattiucci et al 2002Mattiucci et al , 2004Mattiucci et al , 2005.…”

Section: Discussionsupporting

confidence: 64%

Occurrence and molecular identification of Anisakis spp. from the North African coasts of Mediterranean Sea

Farjallah

Slimane

Busi³

et al. 2007

Parasitol Res

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Larval forms of the genus Anisakis were reported infecting several fish species from the North African coasts of central Mediterranean Sea. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis was used to investigate the occurrence of larval forms of different Anisakis species in teleost fishes and squid from North African coasts of the Mediterranean Sea and to establish the geographical and host range of these parasites in this area. A total of 282 Anisakis larvae were identified by PCR-RFLP from 13 teleost fish species and one cephalopod species captured at different sites off the Algerian, Tunisian and Libyan coasts. The type I larvae were found with a frequency of 93.62% and were identified as belonging to the following species: Anisakis simplex s.str., Anisakis pegreffii, A. simplex s.str/A. pegreffii hybrids and Anisakis typica. The type II larvae were found to belong to Anisakis physeteris, with the frequency of 6.38%. The record of A. simplex s.str/A. pegreffii hybrids, previously recorded from the Spanish and Portuguese Atlantic coasts and the Alboran Sea, extends their geographic distribution to the Tunisian coasts. The occurrence of A. simplex s.str. and hybrids away from their known area of distribution may predict the successful use of Anisakis larvae for tagging Scomber scombrus fish stocks for fisheries management purposes. Moreover, the results reported provide valuable information regarding the diversity of Anisakis species in the study area, indicating that several Anisakis sibling and morphospecies coexist in the North African coasts of the Mediterranean Sea.

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Section: Discussionsupporting

confidence: 64%

Occurrence and molecular identification of Anisakis spp. from the North African coasts of Mediterranean Sea

Farjallah

Slimane

Busi³

et al. 2007

Parasitol Res

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“…The seasonality of this gear is marked by a feature which is typical of artisanal fisheries, with a succession of target species during the year. Thus, this fishery occurs between the handline fishery targeting Scomber scombrus (Punzón et al, 2004) and the longline one targeting M. merluccius (Velasco, 2007), which take place in winter and spring, respectively, and the line fishery targeting Thunnus alalunga, which takes place in summer (González-Garcés, 1996).…”

Section: Discussionmentioning

confidence: 99%

Deep-water fishing tactics of the Spanish fleet in the Northeast Atlantic. Seasonal and spatial distribution

et al. 2011

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SUMMARY:The classification and identification of all the Spanish fishing activity targeting deep-sea species was conducted using a non-hierarchical classification technique designed for large matrices (CLARA). Otter trawl and set longlines were the main gears used in deep-sea ecosystems. The otter trawl fleet conducted 3 deep-sea fishing tactics. The only otter trawl fishing tactic targeting deep-sea species was that working in the VI ICES Division and targeting Alepocephalus baiirdi. The other 2 otter trawl fishing tactics targeted shallower shelf demersal resources, deep-sea species being secondary (Phycis blennoides). The longline fleet carried out 7 fishing tactics targeting deep-sea species (Molva spp.; deep water sharks; P. blennoides; Pagellus bogaraveo; and Trichiuridae) and 2 fishing tactics targeting Conger conger, which perform as deepsea fishing tactics in the narrow continental shelf area. This classification, together with knowledge regarding their seasonal performance and spatial distribution, may help to design fisheries sampling protocols and to improve the management of these fleets, thus reducing their impact on deep-sea habitats.Keywords: Northeast Atlantic, métiers, fisheries, deep sea, trawl, longline, multivariate. RESUMEN: Pesquerías españolas de gran profundidad en el Atlántico Nordeste. Estacionalidad y distribución espacial. -Para la clasificación e identificación de todas las pesquerías españolas que actúan sobre especies de gran profundidad se ha utilizado una técnica de cluster no jerárquica diseñada para grandes matrices (CLARA). El arrastre con puertas y el palangre de fondo fueron los aparejos más importantes. Solamente la táctica pesquera de arrastre con puertas desarrollada en la División VI del ICES está dirigida a especies de profundidad, siendo la especie objetivo Alepocephalus baiirdi. Las otras dos tácticas pesqueras con arrastre de puertas son mixtas, teniendo como objetivo especies típicas de plataforma, y teniendo las especies de profundidad como secundarias (Phycis blennoides). La flota de palangre desarrolla siete tácticas pesqueras dirigidas a especies de profundidad: Molva spp.; tiburones de profundidad; P. blennoides; Pagellus bogaraveo; Trichiuridae; y dos pesquerías dirigidas a Conger conger, que se comportan como tácticas pesqueras de profundidad en las zonas de plataforma estrecha. Esta clasificación junto con el conocimiento acerca de su comportamiento estacional y espacial, ayudarán al diseño de los protocolos de muestreo de estas pesquerías así como a la mejora de la gestión de estas pesquerías contribuyendo a una reducción de su impacto en los hábitats profundos.

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“…Spawning takes place over and off the continental shelf from February to June with a peak in April (Solá et al, 1990), and finishes with the mackerel migration towards feeding areas along the coast of Norway at the end of spring (Uriarte and Lucio, 2001). The timing of PTB2 is slightly ahead of the most important mackerel fishery in the area carried out by the handline fleet, the peak of which is traditionally in April (Punzón et al, 2004). However, recent analyses of this fishery indicate a shift forward in recent years (Punzón and Villamor, 2009), corresponding to a similar progressive change found in the timing of the pre-spawning migration of the western component of mackerel (Reid et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

Identification of métiers of the Northern Spanish coastal bottom pair trawl fleet by using the partitioning method CLARA

et al. 2010

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Analysis of the handline fishery targeting mackerel (Scomber scombrus, L.) in the North of Spain (ICES Division VIIIbc)

Cited by 18 publications

References 14 publications

Occurrence and molecular identification of Anisakis spp. from the North African coasts of Mediterranean Sea

Occurrence and molecular identification of Anisakis spp. from the North African coasts of Mediterranean Sea

Deep-water fishing tactics of the Spanish fleet in the Northeast Atlantic. Seasonal and spatial distribution

Identification of métiers of the Northern Spanish coastal bottom pair trawl fleet by using the partitioning method CLARA

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