05:11pm Tuesday 22 October 2019

Allergies : Europe's ragweed pollen counts to quadruple by 2050 ?

These estimates by researchers1from the CNRS, CEA, INERIS and RNSA2, in collaboration with several European institutes, show that it is now necessary to implement coordinated management of this invasive plant on the European level, through long-term pollen monitoring and mapping of the weed’s distribution. These estimates were published in the journal Nature Climate Changeon May 25, 2015.

To download the press release : CP ambroisie


1 From the Laboratoire des sciences du climat et de l’environnement (CNRS/CEA/UVSQ), the Laboratoire de météorologie dynamique (CNRS/Ecole Polytechnique/UPMC/ENS Paris)—both of which are part of the Institut Pierre Simon Laplace—the Centre d’écologie fonctionnelle et évolutive (CNRS/Université de Montpellier/EPHE), and the Institut national de l’environnement industriel et des risques (INERIS) in collaboration with the University of Vienna, the International Center For Theoretical Physics, and Rothamsted Research.
2Réseau national de surveillance aérobiologique.


Effects of climate change and seed dispersal on airborne ragweed pollen loads in Europe.Hamaoui-Laguel L., R. Vautard, L. Liu, F. Solmon, N. Viovy, D. Khvorosthyanov, F. Essl, I. Chuine, A. Colette, M. A. Semenov, A. Schaffhauser, J. Storkey, M.Thibaudon, M. Epstein, Nature Climate Change, May 25, 2015. DOI : 10.1038/nclimate2652

Contact information:

Researcher l Lynda Hamaoui-Laguel l T +33 3 44 61 81 03 l Lynda.Hamaoui-Laguel@ineris.fr
Researcher l Robert Vautard l T +33 1 69 08 26 40 l robert.vautard@cea.fr
CNRS Press Officer l Alexiane Agullo l T + 33 1 44 96 43 90 l alexiane.agullo@cnrs-dir.fr


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