1. Department of Geography, University of Namur, Namur, Belgium
2. Landscape Ecology Laboratory, University of Brussels (ULB), Bruxelles, Belgium
3. Department of Environmental Sciences and Technologies, University of Liege-Gembloux Agro-Bio Tech, Unity of Soil Science, Gembloux, Belgium
4. Environmental Science for Social Change (ESSC), Malaybalay City, Bukidnoon, Philippines
5. Department of Geography, University of Lyon, Lyon, France
6. Water, Soil & Plant Exchanges, BIOSystem Engineering, Gembloux Agro Bio Tech, University of Liège, Gembloux, Belgium