|Central coordinates||34o 10.00' East 1o 40.00' North|
|IBA criteria||A1, A2, A3|
|Year of IBA assessment||2001|
Site description Lake Opeta and its surrounding swamp falls in four Districts; it is the only significant wetland in the Karamoja area, and one of the few remaining intact marshes in Uganda. The IBA covers Lake Opeta itself and the surrounding marsh from Lake Bisina in the west, bordering East Teso Controlled Hunting Area in the north, Pian-Upe Wildlife Reserve in the east, and covering the seasonal grassland indicated as Lake Okolitorom on maps. The IBA is predominantly an extensive swamp of Miscanthus to the east and south, merging into dry Hyparrhenia grass savannas. Lake Opeta is a small lake in the middle of the swamp, covered by water-lilies Nymphaea with a thin fringe of papyrus Cyperus papyrus on the eastern side. There is a wooded island in the middle of the swamp called the Tisai, where a few people live. The area is mainly used by the Karamojong and Pokot people for grazing their cattle in the dry season.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Shoebill Balaeniceps rex||resident||-||present [units unknown]||-||A1||Vulnerable|
|Papyrus Gonolek Laniarius mufumbiri||resident||1998||present [units unknown]||-||A1, A3||Near Threatened|
|Sharpe's Pied-babbler Turdoides sharpei||resident||1998||present [units unknown]||-||A3||Least Concern|
|Red-chested Sunbird Nectarinia erythrocerca||resident||1998||present [units unknown]||-||A3||Least Concern|
|Northern Brown-throated Weaver Ploceus castanops||resident||1998||present [units unknown]||-||A3||Least Concern|
|Fox's Weaver Ploceus spekeoides||resident||1998||present [units unknown]||-||A1, A2, A3||Near Threatened|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Lake Opeta Wetland System||Wetlands of International Importance (Ramsar)||68,912||protected area contains site||56,600|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Artificial landscapes (terrestrial)||55%|
|Land-use||Extent (% of site)|
Other biodiversity The IBA borders Pian-Upe Wildlife Reserve, which is important for a number of mammal species of global conservation concern. The area was formerly renowned for its large numbers of large mammals, including Panthera leo (VU). Most of the surviving large mammals are in the south of the reserve, in the buffer zone between two Karamojong tribes, the Pian and the Pokot, along the Greek river which drains into Lake Opeta. The main watering grounds for the animals are the swamps associated with the lake.
References Karamoja Wildlife Management Report November (1996), Karamoja Wildlife Management Report March (1997), Karamoja Wildlife Management Report June (1997), Uganda Wildlife Authority (1997).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Lake Opeta. Downloaded from http://www.birdlife.org on 11/12/2013
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