Cumulative and average bottom trawling fishing hours in the Mediterranean Sea for the period 2015-2022

An enhanced  version of the R4AIS workflow (Galdelli et al., 2021) was used to process T-AIS data, with a poll frequency of 5 min, of fishing vessels operating in the Mediterranean Sea during 8 years (2015-2022). Data of vessels categorized as bottom trawlers were aggregated to obtain cumulative (fahs) and average (mfahs) fishing hours by fishing category at 0.1° and 0.5° resolution. Maps of bottom trawling fishing activity were created for four main areas at 0.1° (Adriatic Sea, Aegean Sea, Balearic Sea and Levantine Sea) and at 0.5° for the Mediterranean basin.