1. Department of Life Sciences Imperial College London Ascot Berkshire SL5 7PY U.K.
2. The Silwood Group Imperial College London Ascot Berkshire SL5 7PY U.K.
3. Archipelago Consulting Box 4750 Portland ME 04112 U.S.A.
4. Department of Environmental Studies University of New England 11 Hills Beach Rd. Biddeford ME 04005 U.S.A.
5. The Gordon and Betty Moore Foundation 1661 Page Mill Rd. Palo Alto CA 94304 U.S.A.
6. ARC Centre of Excellence in Environmental Decisions The University of Queensland St. Lucia Queensland 4072 Australia
7. Department of Botany Nelson Mandela University PO Box 77000 Port Elizabeth 6031 South Africa