This report presents data from 2008 survey. A total of 36 sites (5 in Djibouti, 8 in Egypt, 3 in Jordan, 9 in Saudi Arabia, 4 in Sudan, 7 in Yemen) were chosen by PERSGA and national team experts. The sites were selected to ensure they demonstrate a range of essential characteristics. These were based on their suitability for long-term monitoring activities and included: accessibility of the sites for future surveys, safety measures, national capabilities of team members, and logistics required in relation to national facilities available. This publication may be cited as: PERSGA. 2010. The