1. School of Geography, Planning and Environmental Management, The University of Queensland, St Lucia, Brisbane 4072, Queensland Australia
2. Food and Agriculture Organization of the United Nations, Regional Office for Asia and the Pacific, Bangkok 10200, Thailand
3. Food and Agriculture Organization of the United Nations, Rome 00153, Italy
4. Deutsche Gesellschaft fuer Internationale Zusammenarbeit (GIZ) GmbH, Jakarta 10310, Indonesia