Description
Oceanographic survey collected in the framework of the following research project: Egg Production Methods. Estimation of the biomass of pelagic species of commercial interest: sardine, anchovy, mackerel and horse mackerel (ICTIOEVA)? This Project is funded by the Instituto Espa?ol de Oceanografia and the main scientific objective is to produce an index and a direct estimate of the biomass of the Northeast Atlantic mackerel stock and the southern and western horse mackerel stocks using the Annual Egg Production Method (AEPM). Specific aims:(a) To estimate the spawning area distribution of mackerel and horse mackerel and the daily and total mackerel and horse mackerel egg production. (b) To collect adults to obtain mackerel and horse mackerel gonads for atresia and fecundity estimation (c) Distribution and abundance of other commercial species of interest: sardine, anchovy, hake, blue whiting.d) To describe the oceanographic and meteorological character of the area of study with the aim of relating environmental conditions (temperature, salinity, currents) with the spatial distribution of the ichthyoplankton
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