Paleoenvironmental constraints influencing charophyte communities in an Early Cretaceous Karstic Lake, La Pedrera de Meià Konservat-Lagerstätte (Southern Pyrenees): combining geochemical and palaeoecological analyses - Perez-Cano, Jordi; Gil-Delgado, Alejandro; Oms, Oriol; Mercedes-Martin, Ramon (Facies, 2025)