Results for Greenland Halibut of the Spanish Survey in NAFO Divisions 3NO: Biomass, Length Distribution and Age Distribution for the Period 1997-2004
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Greenland halibut (Reinhardtius hippoglossoides) indices from the bottom trawl survey that Spain carries out in spring since 1995 in Divisions 3NO of the NAFO Regulatory Area are presnted. Biomass, length and age distribution are presented since 1997, year in that the survey extends the depth strata. In 2001, the R/V Vizconde de Eza replaced the C/V Playa de Menduíña in the realization of the survey. We present the transformed to the R/V Vizconde de Eza series for the period 1997-2000, and the original obtained data for the period 2002-2004. In 2001, there are data from the two vessels. This species presents a decreasing trend along the period. It seems not to be recuperation of the stock. But in last years it can be seen a presence of juveniles, mainly last year.
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