1. The Institute of Earth Sciences; Hebrew University of Jerusalem; Jerusalem Israel
2. Now at Department of Geography and Environmental Development; Ben Gurion University of the Negev; Beer Sheva Israel
3. Forest Research Group; Universidad de Extremadura; Plasencia Extremadura Spain
4. Now at Biogeochemical Integration Department; Max Planck Institute for Biogeochemistry; Jena Thuringia Germany
5. Fundacion CEAM C/Charles Darwin; Paterna Valencia Spain