Analysis of the Vigo-Marín bottom trawl fleet operating in ICES Division VII for possible standardization
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AuthorsAbad, E. (Esther); Fernández-Llana, C. (Carmen); Sampedro-Pastor, P. (Paz); Pérez-Contreras, M.N. (María Nélida); Patiño-Alonso, B. (Baltasar)
In order to consider the possible standardization of the cpue of the Vigo-Marín trawl fleet operating in ICES Division VII for its potential use as an abundance index for the assessments of the stocks of megrim (Lepidorhombus whiffiagonis) and anglerfish (Lophius piscatorius and L. budegassa) in ICES Divisions VIIb–k and VIIIabd, a series of preliminary analyses were conducted on data collected on both landings and discards historic time-series. This document complements the work conducted in Fernández et al. (2008). Updated information through to 2010 is now available, which is taken into consideration. At the same time, the present document considers the main species caught by this fleet (L. whiffiagonis, L. boscii, L. budegassa, L. piscatorius, Merluccius merluccius and Nephrops norvegicus) in order to try to ascertain whether possible changes in the directionality of the fleet may have occurred over time. There does not seem to be a clear change in species composition ...