1. Forestry Agroforestry and Biogeography Unit, University of Agriculture of Kétou, BP 43, Kétou, Republic of Benin
2. Biometry and Environmental System Analysis, Faculty of Forest and Environmental Sciences, Albert-Ludwigs-University of Freiburg, Tennebacher Strasse 4, Freiburg 79085 Germany
3. UNEP-International Ecosystem Management Partnership, c/o Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, No. 11A Datun Road, Beijing 100101 China
4. Ecology, Department of Biology, University of Konstanz. Universitätsstrasse 10, D-78457 Konstanz, Germany
5. Laboratoire d’Ecologie Appliquée, Faculté des Sciences Agronomiques, Université d’Abomey-Calavi, 01 BP 526, Cotonou, Bénin
6. Environment Department, University of York, Heslington, YO10 5DD, York, United Kingdom
7. Ecole Nationale Supérieur d'Aménagement et de Gestion des Aires Protégées, Université de Parakou, BP 287, Kandi, Bénin