WGHABD Terms of Reference 2009 a) Discuss the compilation of national practices across ICES areas for Harmful Algae and Phycotoxins monitoring and prioritise updating of the IOC-MONDAT Data Base. b) With reference to modelling in the ICES region, review the state of knowledge on initiation, maintenance and senescence of cyanobacteria blooms, including transfer of toxins and effects on the food web. c) Discuss and formulate the description and justification for a thematic session on HABs in the Baltic Sea for the 2010 ASC. d) Identify the requirements for observing specific TPA and HAB species in near real time using automated techniques and produce forecasts of Harmful Algal Events us-ing observations and models. e) WGHABD wish to pursue by interdisciplinary work with WGPBI the development of joint TORs and a joint WG sessions in 2009 f) Discuss new findings that pertain to harmful algal bloom dynamics. Bring new find-ings in phytoplankton population dynamics models to the attention of WGHABD for discussion. g) Collate and assess National reports (Country Reps) h) Review the UK’s DEFRA funded literature and data review on what is known about HABS and eutrophication. Identify follow up activities.