Levels and trends in marine contaminants and their biological effects - CEMP Assessment report 2019-2020

This report summarises the 2019-2020 annual CEMP assessment of levels and trends of contaminants and their biological effects. The full assessment is available online in the OSPAR Hazardous Substances Assessment Tool (OHAT): https://ocean.ices.dk/ohat/?assessmentperiod=2020 .

There were 11540 time series (of three years or more) in biota, of which 7314 were assessed for trends and 8765 for status; 3539 time series in sediment, of which 2692 were assessed for trends and 3103 for status; and 217 time series in water, of which 99 were assessed for trends and 217 for status.