www.iad40.org International Association for Danube Research (IAD) The 40th IAD Conference: The Danube and Black Sea Region – Unique Environmentand Human Well Being Under Conditionsof Global Changes 17-20 June 2014SOFIA, BULGARIA Organised by: BULGARIAN ACADEMY OF SCIENCES (BAS)INSTITUTE OF BIODIVERSITY AND ECOSYSTEM RESEARCH – BASGENERAL SECRETARIAT IAD