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Location Iran, Islamic Republic of, Chahar Mahal and Bakhtiari
Central coordinates 51o 6.00' East  31o 50.00' North
IBA criteria A1, A4i, B1i, B2
Area 1,500 ha
Altitude 2,250 m
Year of IBA assessment 1994

Site description A largely seasonal freshwater marsh on a vast grassy plain at 2,250 m in the central Zagros Mountains, c.25 km south-west of Borujen and 75 km west-south-west of Shahreza. The wetland, dominated by sedges, floods in winter and spring, but by late summer is almost completely dry. There is some rice cultivation along the central main stream and some wheat on the surrounding grassy plains. Land ownership is public and private.

Key Biodiversity See box for key species. An important wintering area for Casmerodius albus, Ardea cinerea, Tadorna ferruginea, Anas platyrhynchos (up to 5,000) and Aythya nyroca. Haliaeetus albicilla and Aquila clanga have occurred in winter. Breeding species include Ciconia ciconia (summer visitor locally) and Buteo rufinus. Ciconia nigra occurs (status unknown) and Buteo buteo is a passage migrant.

Non-bird biodiversity: None known to BirdLife International.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ruddy Shelduck Tadorna ferruginea winter  1970-1977  750 individuals  good  A4i, B1i  Least Concern 
Ferruginous Duck Aythya nyroca winter  1987-1992  140 individuals  good  A1, B1i, B2  Near Threatened 


IUCN habitat Habitat detail Extent (% of site)
Grassland   major
Wetlands (inland)   major
Artificial - aquatic   minor
Artificial - terrestrial   minor

Land use

Land-use Extent (% of site)
agriculture minor

Acknowledgements Data-sheet compiled by Dr D. A. Scott, reviewed by Dept of Environment.

References Scott (1976a,c).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Gandoman marsh. Downloaded from on 25/10/2016

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