1. Environmental Change Institute School of Geography and the Environment University of Oxford Oxford OX1 3QY UK
2. Sección Química Pontificia Universidad Católica del Perú San Miguel Lima Peru
3. Universidad Nacional de San Antonio Abad del Cusco Cusco Peru
4. Centre d'Ecologie Fonctionnelle et Evolutive (UMR 5175), CNRS Université de Montpellier, Université Paul Valéry Montpellier, EPHE Montpellier France
5. Ecosystem Fluxes Group Laboratory for Atmospheric Chemistry Paul Scherrer Institute Villigen 5232 Switzerland
6. Department of Global Ecology Carnegie Institution for Science Stanford California 94305 USA
7. Instituto Multidisciplinario de Biología Vegetal (IMBIV, CONICET‐UNC) and FCEFyN Universidad Nacional de Córdoba Cordoba Argentina
8. Department of Ecology and Evolutionary Biology University of Arizona Tucson Arizona 85721 USA
9. The Santa Fe Institute 1399 Hyde Park Rd Santa Fe, New Mexico 87501 USA