1. Department of Agricultural Extension and Education, Agricultural Sciences and Natural Resources University of Khuzestan, Khuzestan, Mollasani 6341773637, Iran
2. Department of Family, Youth, and Community Sciences, University of Florida, Gainesville, FL 32607, USA
3. International Institute for Applied Systems Analysis, 2361 Laxenburg, Austria
4. Leibniz Centre for Agricultural Landscape Research, 15374 Müncheberg, Germany
5. Department of Agricultural Economics, Faculty of Life Sciences Thaer-Institute, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany
6. Division Urban Plant Ecophysiology, Humboldt University of Berlin, 14195 Berlin, Germany