Sarkissian, Arbi J., 1Bangor University; College of Natural Sciences; School of Environment, Natural Resources and Geography; Deiniol Road, Bangor, Gwynedd, LL57 2UW; UK 2American University of Beirut; Faculty of Agricultural and Food Sciences, Dept. of Landscape Design and Ecosystem Management; P.O. Box 11-0236/ AUB Riad El Solh, Beirut 1107 2020, Lebanon, United Kingdom