1. Africa Multiple Cluster of Excellence, University of Bayreuth, 95440 Bayreuth, Germany
2. Climatology Research Group, University of Bayreuth, 95447 Bayreuth, Germany
3. Institute of Social Sciences in Agriculture, University of Hohenheim, 70593 Stuttgart, Germany
4. Leibniz-Centre for Agricultural Landscape Research (ZALF), Eberswalder Straße 84, 15374 Müncheberg, Germany
5. Bayreuth Centre of Ecology and Environmental Research, University of Bayreuth, 95448 Bayreuth, Germany