1. UNEP World Conservation Monitoring Centre; 219 Huntingdon Road Cambridge CB3 0DL UK
2. Environmental Change Institute; Oxford University Centre for the Environment; South Parks Road Oxford OX1 3QY UK
3. The Biodiversity Consultancy; 3E King's Parade Cambridge CB2 1SJ UK
4. Federal Office for the Environment; Bern CH-3003 Switzerland
5. Biology Department; Dalhousie University; Halifax NS B3H 4R2 Canada
6. European Commission-DG Environment; Brussels Belgium