About the Authors

Steeve Ngama

steeve_ngama@yahoo.fr; steeve.ngama@doct.ulg.ac.be

Affiliations Axe Gestion des Ressources Forestières, Département Biosystem Engineering/Ingénierie Des Biosystèmes, Gembloux Agro-Bio Tech, Université de Liège, Gembloux, Belgique, Laboratoire de santé et production animale, Département de Zootechnie, Institut de Recherches Agronomiques et Forestières, Centre National de la Recherche Scientifique et Technologique, Libreville, Gabon, Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgique

Lisa Korte

Affiliation Gabon Biodiversity Program, Center for Conservation Education and Sustainability, Smithsonian Conservation Biology Institute, Gamba, Gabon

Jérôme Bindelle

Affiliation Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgique

Cédric Vermeulen

Affiliation Axe Gestion des Ressources Forestières, Département Biosystem Engineering/Ingénierie Des Biosystèmes, Gembloux Agro-Bio Tech, Université de Liège, Gembloux, Belgique

John R. Poulsen

Affiliation Nicholas School of the Environment Duke University, Durham, North Carolina, United States of America

Competing Interests

The authors received funding from Shell Gabon (http://www.shell.com/gab/fr.html). This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SN. Performed the experiments: SN LK. Analyzed the data: SN JRP. Contributed reagents/materials/analysis tools: SN LK. Wrote the paper: SN LK JB CV JRP.