Yvan Zeller is a student from the University of Neuchâtel. 
                            He finished his bachelor in ethno-biology in 2008 
                            and is currently working with the project, for his 
                            masterwork. He is collaborating with the Evolutive 
                            Botanical Institute, the Soil & Vegetation Laboratory 
                            and the Ethnographic institute of Neuchâtel. 
                            In order to conduct his research, Yvan will spend 
                            half of this year (2010) in Hombori. 
                          
                          For more information on his work, you can contact 
                            him at the following e-mail address: yvan.zeller[@]unine.ch