Obituary
Prof. Dr. habil. Jean-Marie Betsch
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Jean-Marie Betsch was born on 5 December 1939 in Velaines (Meuse, France). He died on 18 February 2013 in Brunoy (Essonne, France) where he was still working at the Laboratory of General Ecology of the Muséum National d’Histoire Naturelle (MNHN) located in Brunoy.
References
Massoud, Z. & J. M. Betsch (1972): Étude sur les insectes collemboles. II. Les caractères sexuels secondaires des antennes des Symphypléones ‒ Revue d’Écologie et de Biologie du Sol 9: 55–97.
Betsch, J. M. (1980): Éléments pour une monographie des Collemboles Symphypléones (Hexapodes, Aptérygotes). ‒ Mémoires du Muséum National d´Histoire Naturelle, Série A 116: 1–227.
Betsch J. M., M. Betsch-Pinot & Y. Mikhalevitch (1981): Évolution des peuplements de microarthropodes du sol en fonction des traitements subis par une forêt dense humide en Guyane française. ‒ Acta Ecologica, Ecologia Generalis 2: 245–263.
Betsch, J. M., G. Kilbertus, M. M. Couteaux & G. Vannier (1990): Microflore et faune du sol: indicateurs biologiques de la transformation de la forêt tropicale humide en agrosystème. ‒ In: Sarrailh, J. M. (Ed.), Mise en valeur de l’écosystème forestier guyanais: opération ECEREX. INRA, Paris, 209–270.
Massoud, Z., J. M. Betsch & J. M. Thibaud (1984): Expérience de piétinement contrôlé du sol d’une forêt périurbaine: effets sur le peuplement de Collemboles ‒ Revue d’Écologie et de Biologie du Sol 21: 507–518.
Nayrolles, P. & J. M. Betsch (1993): Pour une théorie de la description chétotaxique chez les Collemboles. ‒ Annales de la Société Entomologique de France 29: 5–15.
Betsch, J. M. & J. P. Cancela Da Fonseca (1995): Changes in edaphic factors and microarthropod communities after clearing and burning in a tropical rain forest in French Guyana. ‒ Acta Zoologica Fennica 196: 142–145.
Betsch J. M. (2001): La biodiversité dans les sols forestiers: quelle importance pour le fonctionnement et les usages de la forêt? ‒ Bois et Forêts des Tropiques 268: 69–79.
Betsch, J. M. (2012): L’agriculture itinérante sur brûlis: quelques pratiques particulières des Pygmées du Gabon et les raisons qu’ils en donnent. ‒ Journal des Africanistes 82: 193–205.
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