This work involves the identification and enumeration of a number of potential toxin-producing phytoplankton species in seawater using microscopy techniques. This work provides an early warning mechanism and investigative tool for the potential occurrence of shellfish toxin events.
Regulation (EC) No. 2019/627 of the European Union, requires member states to monitor shellfish production areas “for the presence of toxin producing phytoplankton in production and relaying waters”.