1. Department of Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, 68 HaMaccabim Road, Rishon LeZiyyon, 7505101 Israel.
2. Rangeland Service, Ministry of Agriculture and Rural Development, P.O. Box 30, Bet Dagan 50250, Israel.
3. Department of Soil Survey, Land Evaluation and Remote Sensing, Ministry of Agriculture and Rural Development, P.O. Box 30, Bet Dagan 50250, Israel.
4. Israeli Forest Authority, KKL – Keren Kayemet leIsrael, Central Region, Eshtaol, Mobile Post Shimshon 9977500, Israel.