1. EcoPast Faculty of Biology University of Santiago de Compostela Campus Sur 15782 Santiago de Compostela Spain
2. Department of Geological Sciences and the Bolin Centre for Climate Research Stockholm University SE‐10691 Stockholm Sweden
3. Pyrolyscience Madrid Spain
4. Archaeological Research Laboratory Stockholm University Wallenberglaboratoriet 10691 Stockholm Sweden
5. Department of Ecology and Environmental Science Umeå University 901 87 Umeå Sweden