Results for the Spanish Survey in the NAFO Regulatory Area of Division 3L for the period 2003-2012

Since 2003, a stratified random summer bottom trawl survey was conducted by Spain in the NAFO Regulatory Area of Division 3L (Flemish Pass). The surveys were carried out by the R/V “Vizconde de Eza” using bottom trawl net type Campelen. Entire series of mean catches, biomass and length distribution for Greenland halibut, American plaice and witch flounder are presented for the period 2003-2012. Greenland halibut biomass and abundance estimates show an increasing trend since 2003, cut in year 2009. In 2011-2012 the biomass drops under the 2006 value. American plaice biomass and abundance estima... Mehr ...