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close| Location | Oman, Muscat |
| Central coordinates | 58o 5.00' East 23o 51.00' North |
| IBA criteria | A4i, B1i, B2, B3 |
| Area | 20,300 ha |
| Altitude | 0 - 30m |
| Year of IBA assessment | 2001 |
Ornithological information See box for key species. The second most important seabird breeding colonies in Oman after the Juzor al Halaaniyaat (site 024). Other breeding species include Phaethon aethereus (6–13 pairs; max. 32 birds offshore in July), Egretta gularis (6 pairs), Pandion haliaetus (min. 4 pairs), Sterna bergii (2+ pairs) and Anous stolidus (c.30 pairs; max. 200 birds offshore, May).
Site description A group of 13 islands extending westward from Jazirat ad Dimaniyah (23°50'N 58°10'E) to Jazirat Jun (23°50'N 57°59'E), in the Gulf of Oman north-west of As Seeb, with surrounding coral reefs, shoals and rocky outcrops. The islands themselves have a total area of less than 100 ha.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Sooty Falcon Falco concolor | breeding | 1985 | 27-35 breeding pairs | good | B2 | Near Threatened |
| Sooty Gull Larus hemprichii | resident | 1993 | 110-200 breeding pairs | good | B3 | Least Concern |
| Roseate Tern Sterna dougallii | breeding | 1993 | 70-135 breeding pairs | good | A4i, B1i, B2 | Least Concern |
| White-cheeked Tern Sterna repressa | breeding | 1993 | 580-1,125 breeding pairs | good | B3 | Least Concern |
| Bridled Tern Sterna anaethetus | breeding | 1993 | 6,800-9,300 breeding pairs | good | A4i, B1i | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Ad Dimaniyat Islands | Nature Reserve | 20,300 | is identical to site | 20,300 |
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Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Sea | major | |
| Desert | minor | |
| Coastline | minor |
Land use
| Land-use | Extent (% of site) |
|---|---|
| tourism/recreation | minor |
| fisheries/aquaculture | major |
| nature conservation and research | minor |
| other | major |
| Notes: Exploitation of seabird and sea-turtle eggs for food by fishermen. | |
Other biodiversity Reptiles: sea-turtles Eretmochelys imbricata (E) and Chelonia mydas (E) nest on beaches.
Management considerations General public access during the seabird and sea-turtle breeding season (May–October) is banned by order of the Diwan of Royal Court; licenses to visit are issued by the Ministry of Regional Municipalities and Environment. Guards are stationed on the largest island, but in spite of this overexploitation of seabird and sea-turtle eggs for food by fishermen continues to be a major problem, with resulting excessive disturbance of colonies. Visits by small boats for recreation are frequent (causing disturbance to breeding birds). Introduction of feral cats Felis is a critical threat. The site is a proposed National Nature Reserve.
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Daymaniyat Islands. Downloaded from http://www.birdlife.org on 19/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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