1. Institute of Archaeology, Hebrew University, Mt. Scopus, Jerusalem 91905, Israel.
2. Department of Life Sciences, Bar-Ilan University, Ramat-Gan 52900, Israel.
3. GIS Center, Hebrew University, Edmond Safra Campus, Givat Ram, Jerusalem 91904, Israel.
4. Department of Botany, Hebrew University, Edmond Safra Campus, Givat Ram, Jerusalem 91904, Israel.