Widespread terrestrial ecosystem disruption at the onset of the Paleocene–Eocene Thermal Maximum - Mei Nelissen; Debra A. Willard; Han van Konijnenburg-van Cittert; Gabriel J. Bowen; Teuntje Hollaar; Appy Sluijs; Joost Frieling; Henk Brinkhuis (Proceedings of the National Academy of Sciences, 2026)