East Orange, city, Essex county, northeastern New Jersey, U.S., adjoining Newark on the northwest. Originally settled in 1678 by 30 families from Newark, it was set off from Orange township and established as a municipality in 1863. Mainly a residential
Figure 1.Map of the study area with the rivers (blue lines) and wetlands (white squares) of Jimma. The orange dots represent four locations that visualize the area: (1) the upstream part of the river Shenkore is regarded as an area with little human disturbance; (2) the river banks of...