Ecosystem overviews

Bay of Biscay and the Iberian Coast Ecoregion

Pressure: Abrasion

​​This pressure principally affects the seabed habitats and it is associated with bottom-contacting mobile fishing gear, in particular beam trawling, otter trawling, and local activities like dredging or those linked to tourism such as anchoring.

​Using vessel monitoring system (VMS) and logbook data, ICES estimates that mobile bottom trawls used by commercial fisheries in the 12 m+ vessel category have been deployed over approximately 144 300 km2 of the ecoregion in 2018; this corresponds to ca. 19.1% of the ecoregion's spatial extent (Figure 7).​​​

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Figure 7: Surface and subsurface abrasion pressure expressed as the swept-area ratio, obtained from VMS data from 2015 to 2018, in the Bay of Biscay and Iberian Coast ecoregion (ICES, 2015b).​

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Bay of Biscay and the Iberian Coast Ecoregion

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