Table 1: Geographical locations of the study areas.

RegionAreas Latitude and longitude

Northwestern Metema12°58′42.80′′ N 36°09′54.30′′ E
Metekel1046′49.04′′ N 35°33′56.83′′ E
Humera10°46′49.04′′ N 35°33′56.83′′ E

SoutheasternWachile4°32′34.61′′ N 39°04′06.50′′ E
Dubuluk4°21′43.22′′ N 38°16′17.80′′ E
Mega4°03′25.06′′ N 38°18′41.58′′ E

EasternFiltu5°05′35.35′′ N 40°39′30.99′′ E
Dolo Odo4°20′45.50′′ N 42°12′82.20′′ E
Chereti5°21′57.08′′ N 41°49′41.51′′ E