This article presents archaeobotanical data in relation to the question of the 2100 B.C. crisis. After studying the seed assemblages from three Near Eastern sites (Tilbesar, Horum Hoyiik and Tell al-Rawda), we have been able to address the question of possible climatic degradation, and evaluate the reliability of the data in relation to the problem under study. We examine data on agricultural production with a view to possible changes during the Third Millennium B.C. and well into the Second. Our results indicate that cereal and fruit- tree production continue at a constant level during this period and that there was no change in the agricultural economy. These findings do not support the hypothesis of a socio-economic rupture brought about by climatic deterioration. We also examined non-cultivated taxa from our data. However the level of identification combined with the fact that the presence of these plants results from human activities does not allow us use them as climatic indicators.Herveux Linda. La crise de 2100 av. J.-C. a-t-elle eu lieu ? Indices archéobotaniques au Levant nord. In: Sociétés humaines et changement climatique à la fin du troisième millénaire: une crise a-t-elle eu lieu en Haute Mésopotamie? Actes du Colloque de Lyon (5-8 décembre 2005) Istanbul : Institut Français d'Études Anatoliennes-Georges Dumézil, 2007. pp. 549-555. (Varia Anatolica, 19
