1. Biogeochemical Model-Data Integration Group; Max-Planck-Institut für Biogeochemie; Jena Germany
2. Department of Environmental Sciences; ETH Zurich; Zurich Switzerland
3. Faculdade de Ciência e Tecnologia; Universidade Nova de Lisboa; Caparica Portugal
4. Norsk Institutt for Skog og Landskap; Ås Norway
5. CIRAD, UPR Fonctionnement et pilotage des écosystèmes de plantations; UPR 80; Montpellier France
6. LSCE, UMR; CEA-CNRS-UVSQ; Gif-sur-Yvette France
7. Alterra; Wageningen University and Research Centre; Wageningen Netherlands