The deep-water fisheries exploited by Spanish fleets in the Northeast Atlantic: a review of the current status

Piñeiro, C.; Casas, Maria C.; Bañón, Rafael

doi:10.1016/s0165-7836(01)00254-5

Cited by 27 publications

(34 citation statements)

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“…According to background information of the study area (Piñeiro et al, 2001;Gordon et al, 2003) and that obtained from fish market samplers, the only fishery which was not detected in our study was the trap net targeting king crab (Chaceon affinis). This fishery can be considered extinct, since it was only performed by a single vessel in 1996.…”

Section: Discussionmentioning

confidence: 88%

“…Deep-water fisheries have usually been studied using only descriptive statistics (Piñeiro et al, 2001;Gordon et al, 2003). Here, by using the classification technique CLARA , we have been able to conduct a quick global study of the fishing activity undertaken by the Spanish fleet in areas VI-IX of the ICES.…”

Section: Discussionmentioning

confidence: 99%

“…This fishery can be considered extinct, since it was only performed by a single vessel in 1996. It should also be taken into account that vessels carrying out this fishery were small (Piñeiro et al, 2001). The participation of vessels smaller than 15 m in deep-water fisheries makes it impossible to detect their activity, since they are not forced to fill in log books.…”

Section: Discussionmentioning

confidence: 99%

“…The decline in fishing days observed in January was due to a reduction in the fleet's activity in the area, since it was working in other zones (Durán and Román, 2001). Piñeiro et al (2001) identified longline mixed fisheries which had P. blennoides, Molva spp., and Pagellus bogaraveo as the main accompanying species. In our study, 2 fisheries were identified as targeting the first 2 species.…”

Section: Discussionmentioning

confidence: 99%

“…The other, and most common way, is to identify large landings of any deep-sea species. In this case, the activity can only be recognized when it is very substantial, but it is impossible to define the fisheries (by-catch and target species) correctly (Piñeiro et al, 2001;Gordon et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

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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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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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