|Most recent IBA monitoring assessment|
|Year of assessment||Threat score (pressure)||Condition score (state)||Action score (response)|
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The IBA is situated 20 km to the north of Usharal and covers the southern corner of the Sasykkol lake delta of the Tentek river and a substantial part (25 x 25 km) of adjacent desert lying, mostly, within the Alakol State Nature Reserve. The IBA contains a mature natural complex of well-developed wetland systems: vast reedbeds amid the shallow open waters of the lake and a network of channels and marshes. In the upper parts of the delta there is a solid stretch of riverine forest running along the final integral section of the Tentek river and consisting mostly of Poplar, Willow and Maple. The adjoining land consists mostly of motley-herbage meadows, alkaline land complexes or Atriplex-overgrown desert.
The Tentek delta provides suitable habitat for a wide range of species, especially waterbirds. During the breeding season, the number of nesting birds can reach 10,000 individuals, while the total during migration may vary from 25,000 to 40,000 birds. The site is especially important for species of global and/or regional conservation concern including Pelecanus crispus, Aythya nyroca, Oxyura leucocephala, Platalea leucorodia and Otis tarda.
Non-bird biodiversity: Several species of mammals, some of which are important game animals, occur in the delat and surround areas including Sus scrofa, Capreolus pygargus, Vulpes corsac, Vulpes vulpes and Canis lupus. The site has thriving populations of Mustela nivalis, Mustela erminea, Mustela eversmanni and others small mammals.
BirdLife International (2021) Important Bird Areas factsheet: Tentek River Delta. Downloaded from http://www.birdlife.org on 08/03/2021.