Made in ArcGIS 8.2 from tabular data with lat-long positions. Point locations in Caspian Sea added in this second version of the map. Information on Caspian Sea from EEA Biodiversity report.
EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).