1. Earth and Planetary Science Department Weizmann Institute of Science Rehovot Israel
2. Robert H. Smith Faculty of Agriculture, Food and Environment The Hebrew University of Jerusalem Rehovot Israel
3. BIOGECO INRA, University of Bordeaux Cestas France
4. ISPA, Bordeaux Science Agro INRA Villenave d'Ornon France
5. Forestry Department KKL Gilat Israel
6. Plant & Environmental Sciences Department Weizmann Institute of Science Rehovot Israel