ICES holds two major collections of trawl survey data:
DATRAS stores data collected primarily from bottom trawl fish surveys
coordinated by ICES expert groups. There are more than 45 years of continuous time
series data in DATRAS, and survey data are continuously updated by
national institutions.
Acoustic trawl surveys database hosts information on fisheries observations collected from various pelagic surveys coordinated by ICES and falls into two categories: acoustic data, derived from readings taken on vessels, and those obtained through trawls in the open ocean – pelagic – zone