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Informe de resultados de la Campaña Platuxa 2006

Authors: Paz, Xabier; González-Iglesias, María de la Concepción; Román-Marcote, Esther;

Informe de resultados de la Campaña Platuxa 2006

Abstract

La Campaña Platuxa 2006 es la duodécima campaña de investigación de la serie iniciada en 1995, destinada a obtener índices de abundancia y conocer la estructura de las poblaciones de las especies comerciales en el área de Regulación de la NAFO, Divisiones 3N y 3O. Esta campaña es la sexta desarrollada con el B/O Vizconde de Eza. Se realizaron 120 pescas válidas en un rango de profundidad de 46 a 1480 m. Los resultados de la Campaña indican un aumento en las capturas de varias especies demersales de interés comercial: platija (Hippoglossoides platessoides), bacalao (Gadus morhua), raya (Amplyraja radiata) y, en menor medida, las de limanda (Limanda ferruginea). En el conjunto de la serie, la limanda está en franca recuperación, creciendo ligeramente los valores de su captura y los de su biomasa estimada. La captura de platija aumentó claramente, aunque mantiene un nivel inferior a su media histórica. Se constató un importante incremento en las capturas de bacalao. Descendieron las capturas de gallineta (Sebastes spp), bertorella (Urophycis tenuis) y, algo menos, las de fletán negro (Reinhardtius hippoglossoides). El fletán negro se mantiene en un nivel muy bajo, descendiendo. Las capturas del camarón (Pandalus borealis) disminuyeron por segundo año consecutivo.

The “Platuxa 2006” bottom trawl survey is the research twelfth research survey in the series began in 1995, aimed to obtain abundance indices and know the structure of populations of commercial species in the of NAFO Regulatory Area, Divisions 3N and 3O. This survey is the sixth developed with R/V “Vizconde Eza”. There were made 120 hauls valid in a depth range of 46 to 1480 m. Survey results indicate an increase in the catches of several commercially important demersal species: American plaice (Hippoglossoides platessoides), cod (Gadus morhua) and Thorny skate (Amplyraja radiata) and to a lesser extent, for yellowtail flounder (Limanda ferruginea). In the whole series, dab is in strong recovery, increasing slightly the values of their capture and their estimated biomass. The catch of American plaice clearly increased, while maintaining a level below its historical average. They found a significant increase in catches of cod. Decreased catches of redfish (Sebastes spp), White hake (Urophycis tenuis), just under the Greenland halibut (Reinhardtius hippoglossoides). The Greenland halibut remains at a very low level, falling. Shrimp (Pandalus boreales) catches declined for the second consecutive year.

Equipo de Pesquerías Lejanas. Centro Oceanográfico de Vigo

Country
Spain
Related Organizations
Keywords

Grand Bank, Gran Banco, especies de profundidad, depth species, skates, campaña científica de pesca de arrastre, Yellowtail flounder, cod, bottom trawl survey, bacalao, rayas, Centro Oceanográfico de Vigo, American plaice, platija americana, Pesquerías, limanda

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average