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Banc d'Arguin National Park
Mauritania, Dakhlet Nouâdhibou,Inchiri
16o 16.00' West 20o 7.00' North
A1, A3, A4i, A4iii
0 - 15m
Year of IBA assessment
Site description Banc d’Arguin National Park was established in 1976 and protects 40% of the Mauritanian coastline, between Nouakchott and Nouâdhibou, on the northern the Mauritanian coast. The National Park includes shallow open sea (less than 5 m) and seagrass beds, intertidal flats, channels and creeks, as well as coastal desert habitats. Within the park the maximum tidal range is 2.0 m, while the average is between 1.2 and 1.7 m. The total area of intertidal mudflats is some 55,000 ha and there are between 60,000–80,000 ha of seagrass beds. Coastal vegetation includes clumps of mangrove Avicennia africana as well as the grass Spartina maritima and species of Chenopodiaceae. The terrestrial part of the reserve includes areas of Saharan vegetation, principally the tree species Acacia tortilis, Balanites aegyptiaca, Maerua crassifolia and Capparis decidua, and the herbaceous species Panicum turgidum, Cassia italica, Pergularia tomentosa and Heliotropium bacciferum. The dunes on the southern fringe of the park are dominated by Stipagrostis pungens, Cornulaca monacantha, Euphorbia balsamifera and Calligonum comosum. A total of 190 plant species have been recorded in the park. Adjacent to the park lies one of the world’s richest fishing grounds, resulting from upwellings off Râs Nouâdhibou and Râs Timirist and the prevalence of seagrass beds and other productive shallow-water benthic habitats.
Key Biodiversity See Box and Table 2 for key species. The Banc d’Arguin holds the world’s largest concentrations of non-breeding waders. There are also substantial populations of breeding waterbirds. It is estimated that as many as 2,250,000 migrant waders winter at this site, which is more than 30% of the estimated total population of waders using the East Atlantic Flyway. In addition, Circus macrourus and Falco naumanni are occasionally recorded on passage, while small numbers of Larus audouinii (up to 15 individuals) are regularly recorded. Phoenicopterus minor is an occasional visitor in small numbers.
Non-bird biodiversity: The large and diverse marine fauna includes a number of taxa of conservation concern; four species of sea-turtle (Chelonia mydas (EN), Eretmochelys imbricata (CR), Dermochelys coriacea (EN), Caretta caretta (EN)); the monk seal Monachus monachus (CR); and numerous species of cetacean—Phocoena phocoena (VU), Sousa teuszii (DD), Tursiops truncatus (DD), Grampus griseus (DD), Steno bredanensis (DD), Orcinus orca (LR/cd) and Balaenoptera physalus (EN). The gazelle Gazella dorcas (VU) and the foxes Fennecus zerda (DD) and Vulpes rueppellii (DD) occur in terrestrial parts of the reserve.
References Altenburg et al. (1982), Campredon (1987), De Naurois (1969), De Wilde (1988), Ens et al. (1989), Gowthorpe et al. (1996), IUCN (1992), Mengin and Van Spanje (1989), Price et al. (1992), Wolff and Smit (1990), Zwarts et al. (1998).
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BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Banc d'Arguin National Park. Downloaded from
http://www.birdlife.org on 10/02/2016
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