Structure and function of macroalgae communities at stone reefs. Natural and antropogenic regulation of hardbottom communities like effects of eutrophication. 15 years experience in conducting and managing the national monitoring of reef locations in open waters as national project manager and professional diver. Experienced in datahandling, multivariate statistical analysis and marine quality assessment. Manager for projects related to the EU-habitats Directive. International experience as advisor in fishery assessment in Vietnam.