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 Español de Oceanografía and the main scientific objective the survey is to produce an index and a direct estimate of the spawning stock biomass of Sardine (Sardine pilchardus) in the Cantabrian Sea and Bay of Biscay (to 45oN) using the Daily Egg Production Method (DEPM). Specific aims:(a) To estimate the spawning area distribution of sardine and the daily egg production. (b) To collect adults to obtain fecundity estimation (c) Distribution and abundance of other commercial species of interest: mackerel, horse mackerel and anchovy.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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