Etienne Hainzelin presents the main sorts of biodiversity which are linked to the agricultural systems: support biodiversity and destructive biodiversity. He focuses on the first one, and shows that, in the recent history, the human populations concentrated on some 'elite' varieties, as part of an high-yield agriculture, to the detriment of a specific and genetic diversity, which was raised and enriched over the centuries.
Mot(s) clés libre(s) : agriculture, biodiversity, genes, elite varieties