1. Department of Economics and Rural Development Gembloux Agro‐Bio Tech, University of Liege Gembloux Belgium
2. Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
3. Faculty of Environmental Science and Engineering Babes‐Bolyai University Cluj‐Napoca Romania
4. Department of Geography Ghent University Ghent Belgium
5. Agricultural Economics Shiraz University Shiraz Iran
6. Faculty of Natural Resources University of Tehran Karaj Iran
7. School of Public Affairs Zhejiang University Hangzhou China
8. Department of Geography University of Tartu Tartu Estonia
9. College of Civil Aviation Nanjing University of Aeronautics and Astronautics Nanjing China