Univ Montpellier2, UMR AMAP, Montpellier F-34000, France. Severine.Berard@cirad.fr|Univ Montpellier2, UMR AMAP, Montpellier F-34000, France. Severine.Berard@cirad.fr|Univ Montpellier2, UMR AMAP, Montpellier F-34000, France. Severine.Berard@cirad.fr|Univ Montpellier2, UMR AMAP, Montpellier F-34000, France. Severine.Berard@cirad.fr|Univ Montpellier2, UMR AMAP, Montpellier F-34000, France. Severine.Berard@cirad.fr|Univ Montpellier2, UMR AMAP, Montpellier F-34000, France. Severine.Berard@cirad.fr