Table 1.

Study area description.

Description	Former Bench- Maji (current Bench-Sheko and West-Omo zones)	Kaffa Zone	Sheka Zone
GPS location range	50 30’ -70 00′ N to 34000′-360 00′ E	60 24′-70 70′ N to 350 69’ - 360 78′ E	70 24’ - 70 52′ N to 350 13’ - 350 35′ E
Zonal Towns	Mizan Aman and Jemu	Bonga	Masha
Annual Rainfall (mm)	1500–1800mm	1600–2200	1800–2200
Temperature (C0)	15 °C–29 °C	18–21	15 °C–27 °C
Altitude (m.a.s.l)	1200 to 1959	500 to 3350	900 to 2750
Total population (2017)	847,168	1,102,278	269,243
Bordered	on the south by the Ilemi Triangle, on the west by South Sudan, on the northwest by the Gambela Region, on the north by Sheka, on the northeast by Kaffa, and the east by Debub Omo	on the south by Debub Omo, on the southwest by Bench Sheko, on the west by Sheka, on the north by the Oromia Region, and on the east by Konta	on the south by Bench Sheko, on the west by the Gambela Region, on the north by the Oromia Region, and on the east by Kaffa