1. Department of Fisheries and Aquatic Sciences, College of Agricultural and Environmental Sciences, Bahir Dar University, Bahir Dar, Ethiopia
2. Department of Biology, College of Science, Bahir Dar University, Bahir Dar, Ethiopia
3. Department of Chemistry, College of Science, Bahir Dar University, Bahir Dar, Ethiopia
4. PM, Environment Protection, Agriculture & Environment Division, IGAD Secretariat, Djibouti