1. Research Centre for Natural Resources, Environment and Society (CERNAS), College of Agriculture; Polytechnic Institute of Coimbra; Coimbra Portugal
2. Centre for Environment and Marine Studies (CESAM), Department of Environment and Planning; University of Aveiro; Aveiro Portugal
3. Department of Geography, College of Science; Swansea University; Swansea UK
4. Department of Biological and Environmental Engineering; Cornell University; Ithaca NY USA