Emma J Sayer^1,2, Luis Lopez-Sangil³, John A Crawford⁴, Laëtitia M Bréchet⁵, Ali J Birkett⁴, Catherine Baxendale⁴, Biancolini Castro², Chadtip Rodtassana⁶, Mark Garnett⁷, Lena Weiss⁸ and Michael W I Schmidt⁹, (1)Lancaster University, Lancaster Environment Centre, Lancaster, United Kingdom, (2)Smithsonian Tropical Research Institute, Balboa, Panama, (3)Teagasc, Wexford, Ireland, (4)Lancaster University, Lancaster, United Kingdom, (5)Universiteit Antwerpen, Antwerpen, Belgium, (6)Chulalongkorn University, Bangkok, Thailand, (7)Scottish Universities Environmental Research Center at the University of Glasgow, NERC Radiocarbon Facility, East Kilbride, United Kingdom, (8)University of Zurich, Zurich, Switzerland, (9)Univ Zurich, Zurich, Switzerland