Fig. 1: Site characteristics.

A Location of Lake Redon in the Central Pyrenees. B Lake Redon view facing northwestward. C Orthoimage of the catchment and lake bathymetry indicating the coring point. Source orthoimages in (A and B): Institut Cartogràfic i Geològic de Catalunya 2021. Ortofoto 25 cm (OF-25C) Mapa 1:2500 (CC BY 4.0).