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Location Uzbekistan, Kashkadarya
Central coordinates 66o 24.45' East  38o 57.90' North
IBA criteria A1, A4i, A4iii
Area 4,189 ha
Altitude 476 - 494m
Year of IBA assessment 2007

Uzbekistan Society for the Protection of Birds (Affiliate)

Site description The IBA is situated 60-70 km north-east of Karshi town. It belongs to the Kamashi and Chirakchi (south-eastern part of the reservoir) districts of Karshinskaya province. The reservoir is of the channel storage type and is located in the Kashkadarya river basin. The area of the reservoir is 44.4 km2, with a length of 17.5 km, maximum width of 5.5 km, average depth of 17.2 m, and a maximum depth of 30m. Its water is used for irrigation. The area has an acutely continental climate with hot and long summers, and short winters with little snow.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Lesser White-fronted Goose Anser erythropus winter  2007  7-18 individuals  medium  A1  Vulnerable 
Greylag Goose Anser anser winter  2007  323-12,868 individuals  good  A4i  Least Concern 
Ruddy Shelduck Tadorna ferruginea winter  2007  528-2,986 individuals  medium  A4i  Least Concern 
Great Cormorant Phalacrocorax carbo winter  2007  108-4,640 individuals  medium  A4i  Least Concern 
Demoiselle Crane Anthropoides virgo passage  2007  28-1,004 individuals  medium  A4i  Least Concern 
Common Crane Grus grus passage  2007  18-1,103 individuals  medium  A4i  Least Concern 
A4iii Species group - waterbirds winter  2007  3,091-20,825 individuals  good  A4iii   


IUCN habitat Habitat detail Extent (% of site)
Grassland Steppes & dry calcareous  -
Shrubland Low bushes  5%
Wetlands (inland) Rivers & streams; Standing fresh water; Water-fringe vegetation  35%
Desert   -
Artificial - terrestrial Arable land; Perennial crops, orchards & groves  -

Land use

Land-use Extent (% of site)
agriculture -
water management 25%
fisheries/aquaculture -

Other biodiversity R.N. Meklenburtsev (1958) published data on the vertebrate animals in the Kashkadarya river valley. From insectivores, Hemiechinus auritus is common and H.hypomelas was found once. There are 5 species of Chiroptera but they are not numerous and are only found sporadically. Predators include Vulpes vulpes (widespread) and Canis aureus, C.lupus and Felis lybica are rare. Sus scrofa was recorded between Shahrisabs and Chirakchi. Of Rodents, Spermophilus fulvus, Rhombomis opinus and Ellobius tancrei are widespread. Reptiles are represented by 28 species: Testudines – 1 species (Agrionemis horsfieldi), lizards – 16 species, with Cyrtopodion caspius, Trapelus sanguinolentus and Phrynocephalus interckapularis being common; Varanus griseus is more rare. There are 11 species of snakes with Natrix tessellata, Coluber karelini and Psammophis lineolatum being common. Amphibia are represented by Rana ridibunda and Bufo viridis. Fish include Carssius auratus gibelio, Alburnoides bipunctatus eichwaldi, Varicorhynus capoeta, Heratensis nation steindachneri, Sabanejewia aurata aralensis, Nemacheilus malapterurus longicaudata, N. amudarjensis, N. oxianus, N. stoliczkai in the Kashkadarya river. The present ichthyofauna of the Kashkadarya river basin contains 23 species and subspecies (Mirzaev, 2000).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Chimkurgan Reservoir. Downloaded from on 23/10/2014

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