1. Department of Agricultural Extension and Education, Agricultural Sciences and Natural Resources University of Khuzestan, Khuzestan, Iran
2. International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria
3. Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
4. School of Tourism and Hospitality, University of Johannesburg, Auckland Park, South Africa
5. Leibniz Centre for Agricultural Landscape Research (ZALF), Muncheberg, Germany
6. Urban Plant Ecophysiology, Humboldt-Universitat zu Berlin, Berlin, Germany
7. Department of Agricultural Economics, Faculty of Life Sciences, Thaer-Institute, Humboldt-Universität zu Berlin, Berlin, Germany