|Central coordinates||16o 23.00' West 16o 13.00' North|
|IBA criteria||A1, A3, A4i, A4iii|
|Altitude||0 - 6m|
|Year of IBA assessment||2001|
Site description Situated in the extreme south-west of the country, Diawling National Park lies on the border with Senegal at the mouth of the Senegal river. A buffer zone and a peripheral zone cover a further 19,500 ha, which includes both Aftout es Saheli (site MR012) and Chout Boul (site MR017).The park is contiguous with Djoudj National Park (IBA SN001) in Senegal, on the opposite bank of the river. The site includes a lagoon which is fed by brackish water from a tributary of the Senegal river, significant estuarine and intertidal areas, saline flats and a small area of mangroves, as well as dunes, alluvial plains and an interconnecting network of rivers lakes and ponds. The western border of the park is formed by dunes. Tree cover on the dunes includes Acacia tortilis, A. senegal, Euphorbia balsamifera and Balanites aegyptiaca, with a herbaceous cover of Cenchrus biflorus, Chloris prieurii and Schoenefeldia gracilis. Tree cover is more varied and abundant towards the inland edge of the dunes, with Borassus aethiopum, Acacia nilotica, A. seyal and Parkinsonia aculeata. There is little cover on the alluvial plains, but Tamarix senegalensis and Arthrocnemum glaucum occur on sandy knolls and Acacia nilotica beside creeks and pools. Herbaceous cover on the lower zones of the plain is dominated by halophytes, such as Salsola baryosma. The grass Sporobolus robustus is common in the most frequently flooded areas. Grasses are more important in less saline areas, with Echinochloa colona and Vetiveria nigritana in depressions and Schoenefeldia gracilis on higher ground. Average annual rainfall is 300 mm (although between 1970 and 1990 it fell to 150 mm).
Key Biodiversity See Box and Table 2 for key species. In January 1997, 8,000 Phoenicopterus minor were recorded (Measson 2000). The area, especially when considered in conjunction with Djoudj National Park (IBA SN001) in Senegal, is extremely important for a wide diversity of waterbirds. A single species of the Sahara–Sindian biome (A02) has been recorded (see Table 2).
Non-bird biodiversity: The mammal Trichechus senegalensis (VU) has been recorded.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Northern Pintail Anas acuta||winter||1987||16,500 individuals||-||A4i||Least Concern|
|Northern Shoveler Spatula clypeata||winter||1994||6,200 individuals||-||A4i||Least Concern|
|Greater Flamingo Phoenicopterus roseus||winter||2000||3,760 individuals||-||A4i||Least Concern|
|Lesser Flamingo Phoeniconaias minor||winter||1997||8,000 individuals||-||A1||Near Threatened|
|Eurasian Spoonbill Platalea leucorodia||winter||2000||481 individuals||-||A4i||Least Concern|
|African Spoonbill Platalea alba||winter||1975||700 individuals||-||A4i||Least Concern|
|Great White Egret Ardea alba||winter||2000||509 individuals||-||A4i||Least Concern|
|Great White Pelican Pelecanus onocrotalus||winter||2000||24,613 individuals||-||A4i||Least Concern|
|Arabian Bustard Ardeotis arabs||resident||2001||present||-||A3||Near Threatened|
|Pied Avocet Recurvirostra avosetta||winter||1974||2,200 individuals||-||A4i||Least Concern|
|Slender-billed Gull Larus genei||winter||1976||200 individuals||-||A4i||Least Concern|
|Caspian Tern Hydroprogne caspia||winter||2000||595 individuals||-||A4i||Least Concern|
|Chestnut-bellied Starling Lamprotornis pulcher||resident||2001||present||-||A3||Least Concern|
|Black Scrub-robin Cercotrichas podobe||resident||2001||present||-||A3||Least Concern|
|Sudan Golden Sparrow Passer luteus||resident||2001||present||-||A3||Least Concern|
|A4iii Species group - waterbirds||winter||-||50,000-99,999 individuals||unknown||A4iii|
|2001||high||not assessed||not assessed|
|Good - based on reliable and complete / representative data|
|Agriculture and aquaculture||annual & perennial non-timber crops - small-holder farming||happening now||some of area/population (10-49%)||slow but significant deterioration||medium|
|Biological resource use||fishing & harvesting aquatic resources - unintentional effects: large scale||happening now||some of area/population (10-49%)||moderate to rapid deterioration||high|
|Natural system modifications||dams & water management/use - large dams||happening now||majority/most of area/population (50-90%)||moderate to rapid deterioration||high|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Diawling||National Park||13,000||protected area contains site||15,600|
|Parc National du Diawling||Wetlands of International Importance (Ramsar)||15,600||is identical to site||15,600|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Artificial - terrestrial||29%|
|Land-use||Extent (% of site)|
|nature conservation and research||-|
|Notes: Collection of grasses for mat making.|
References Boubouth et al. (1999), De Naurois (1969), Hammerlynck et al. (1998, 1999), IUCN (1987), Kelleher et al. (1995), Messaoud et al. (1998), Parc National de Diawling (1996), Taylor (1993).
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Recommended citation BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Diawling National Park. Downloaded from http://www.birdlife.org on 26/08/2016
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