1. Senior Lecturer, Water Engineering, School of Civil Engineering and Surveying, Univ. of Southern Queensland, Toowoomba, QLD 4350, Australia (corresponding author).
2. Research Associate, National Water Center, United Arab Emirates Univ., P.O. Box 15551, Al Ain, United Arab Emirates.
3. Professor, Dept. of Biology, College of Science, United Arab Emirates Univ., P.O. Box 15551, Al Ain, United Arab Emirates.
4. Professor, Dept. of Civil and Environmental Engineering and National Water Center, United Arab Emirates Univ., P.O. Box 15551, Al Ain, United Arab Emirates.