Assessment of unusual crustacean mortality in the north-east of England in 2021 and 2022
An independent expert panel investigating possible causes of mass mortality event affecting crustacean species in the north-east of England in autumn 2021.
The Crustacean Mortality Expert Panel (CMEP) was set up in response to a mass mortality event affecting crustacean species across the coastline of the north-east of England in autumn 2021.
- provided an independent scientific assessment of the possible causes of the mass crustacean mortality incident
- was chaired by Defra’s Chief Scientific Adviser (CSA) and consisted of independent experts from industry and academia with a range of relevant knowledge and experience
- was active between December 2022 and January 2023
Read the evidence gathered for the assessment.
Last updated 27 January 2023 + show all updates
We've corrected a measurement of TBT from mg/kg to µg/kg. Section 5.2 on page 35 of the report now reads: 'TBT concentrations in sediments collected in October 2021 (in the channel area described above) ranged from non-detect to 52 µg/kg'.