Figure 1

Localization of the studied sites of Fromonvilliers (FRO site) and Le Louroux (LOU site) within the Seine and the Loire River basins. (The map was created using the free software QGIS 3.12.2 (https://www.qgis.org). Land use information were provided by Corine land cover data44 and hydrological information by the BD Cartage database https://www.sandre.eaufrance.fr).