Contributors: Alena Vydrova (Nature Conservation Agency, Czech Republic); Anamaria Roman (Institute of Biological Research Cluj-NIRDBS, Romania; Axel Ssymak (Federal Agency for Nature Conservation, Germany); Bruno E.L. Cerabolini (University of Insubria, Italy); Caitriona Douglas (National Parks and Wildlife Service, Ireland); Douglas Evans (EEA ETC Biodiversity); Fernando Ojeda (Cadiz University, Spain), Geert De Blust (University of Antwerp, Belgium); Geert Sterckx (Agency for Nature and Forest, Belgium): Gergely Király (University of Sopron, Hungary); Götz Ellwanger (Federal Agency for Nature Conservation, Germany); Graham Sullivan (Scottish Natural Heritage, UK); Isabel Alonso (Natural England, UK), Ján Šeffer (Daphne Institute of Applied Ecology, Slovakia), Joost Dewyspelaere (Natuurpunt, Belgium); Jørgen Lissner (Danish Environmental Protection Agency); Leonor Calvo (León University, Spain); Martin Willing (Conchological Society of Great Britain and Wales), Mihail Mihailov (Ministry of Environment, Bulgaria); Mike Edwards (Bees, Wasps and Ants Recording Society, UK); Mike Smedley (Scottish Natural Heritage), Pawel Pawlaczyk (Klub Przyrodnikow, Poland); Philip Perrin (Botanical, Environmental and Conservation Consultants, Ireland), Philippe Frankard (Nature and Forest Department, Belgium).