1. Department of Geography, Ohio State University, 154 N. Oval Mall, Columbus, OH 43210, USA
2. Leibniz Institute of Agricultural Development in Transition Economies (IAMO), Theodor-Lieser- Strasse 2, 06120, Halle (Saale), Germany
3. Geography Department, Humboldt Universität zu Berlin, Unter den Linden 6, 10099, Berlin, Germany
4. Integrative Research Institute on Transformations of Human-Environment Systems (IRI THESys), Humboldt Universität zu Berlin, Unter den Linden 6, 10099, Berlin, Germany