Ecosystem overviews

Bay of Biscay and the Iberian Coast key signals

Key signals within the environment and the ecosystem

The general ecoregion pattern of marked seasonal mixing and stratification is modified over the shelf by wind-driven upwelling, river outflow and tidal related processes increasing the productivity of the system with large variation across the region.
Large-scale meteorological pressure differences over the North Atlantic cause winter anomalous upwelling events (windspeed and direction), which in turn can influence the recruitment of commercially important species such as anchovy Engraulis encrasicolus and sardine Sardina pilchardus, southern hake Merluccius merluccius, Norway lobster Nephrops norvegicus, and horse mackerel Trachurus trachurus.

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Bay of Biscay and the Iberian Coast key signals

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