After studying physics at the ENS, Bernard Saugier developed microclimatic measurements to study the gas exchange of crops and meadows, as a researcher at the CNRS in Montpellier and in Saskatoon (Canada). Then as a professor at Orsay (Laboratoire d’Ecophysiologie végétale of the Ecology-Systematic-Evolution unit), he and his team built water and carbon balance models for forests, studied the production of biomass and then the effect of an increase in the CO2 content of the air, and extended these studies to a continental scale with satellite measurements.

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