Land management: data availability and process understanding for global change studies

Karl-Heinz Erb^*, Sebastiaan Luyssaert, Patrick Meyfroidt, Julia Pongratz, Axel Don, Silvia Kloster, Tobias Kuemmerle, Tamara Fetzel, Richard Fuchs, Martin Herold, Helmut Haberl, Chris D. Jones, Erika Marín-Spiotta, Ian McCallum, Eddy Robertson, Verena Seufert, Steffen Fritz, Aude Valade, Andrew Wiltshire, Albertus J. Dolman