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Location Ethiopia, Tigray
Central coordinates 39o 30.00' East  12o 35.00' North
IBA criteria A1, A4i
Area 2,700 ha
Altitude 2,400 - 3,000m
Year of IBA assessment 1996

Ethiopian Wildlife and Natural History Society



Site description Lake Ashenge is in Ofla Woreda of the Southern Zone. The nearest town is Korem, about 120 km south of the regional capital Mekele. The lake and its surrounding area occupy an old volcanic crater between the Ambalagie range to the north and the Alamata mountains to the south. The altitude at the lake is 2,400 m while the mountains to the north rise to over 3,000 m. The lake is fed by a number of small streams from the surrounding areas, and as far as is known there is no drainage out of it. The crater rim forms steep cliffs all around, except in the north-east where there is a long valley. Korem is situated in a long valley to the south. The area surrounding the lake is relatively flat, producing extensive areas of shoreline, and large areas of marshland extend into the valley to the north-east. The lake has a surface area around 14,000 ha, a mean depth of c.14 m and a maximum depth of 25.5 m. The water is slightly saline. Villages are situated on the flatter land at the foot of the cliffs, but all of the surrounding land is used for agriculture. The valley in the north-east is an important grazing area, particularly through the dry season. Land is divided between villages and access to the grazing area is carefully managed. The flora of this area has never been documented. Some trees are found in the area, often confined to domestic gardens, including Acacia shrubs, Croton macrostachyus, Vernonia amygdalina and Buddleja polystachya. Additionally, some forest trees are found around churches and in Muslim graveyards: species include Acacia abyssinica, A. pilispina, Ekbergia capensis, Juniperus procera and Olea europaea cuspidata. Mixed agriculture dominates the area, with cereals and pulses the main crops, and cattle and sheep the main domestic animals. Fish were introduced into the lake, but for unknown reasons the harvest has not been sustainable.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ferruginous Duck Aythya nyroca winter  1995  30 individuals  A1  Near Threatened 
Wattled Ibis Bostrychia carunculata non-breeding  1996  133 individuals  A4i  Least Concern 
Rouget's Rail Rougetius rougetii resident  1996  present  A1  Near Threatened 

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial   94%
Forest   5%

Land use

Land-use Extent (% of site)
agriculture -

Other biodiversity None known to BirdLife International.

References Dodman and Taylor (1995).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Lake Ashenge. Downloaded from http://www.birdlife.org on 10/07/2014

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