1. Countryside and Community Research Institute, University of the West of England, Oxstalls Lane, Longlevens, Gloucester GL2 9HW, England
2. School of Geography and Environmental Science, Monash University, Clayton, VIC 3800, Australia
3. School of Humanities and Social Sciences, Charles Sturt University, Wagga Wagga, NSW 2650, Australia
4. Centre for Environmental Policy, Imperial College, London SW7 2AZ, England