KZ028
Bolshoy Kak Lake


IBA Justification

The site was identified as internationally important for bird conservation in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Whooper Swan Cygnus cygnus LC passage (2007) 20–1,200 birds A4i
Red-breasted Goose Branta ruficollis VU passage (2007) 1,540–5,020 birds A1, A4i
Greylag Goose Anser anser LC passage (2007) 1,880–5,660 birds A4i
Greater White-fronted Goose Anser albifrons LC passage (2007) 2,500–9,000 birds A4i
Lesser White-fronted Goose Anser erythropus VU passage (2007) 15–37 birds A1
Common Crane Grus grus LC passage (2007) 225–890 birds A4i
A4iii Species group - waterbirds n/a passage (2007) 20,000-49,999 birds A4iii

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2015) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2015 good not assessed not assessed
Whole site assessed? State assessed by Accuracy of information
no population medium

State (condition of the trigger species' populations)
Species Actual vs Reference (units) % remaining Result
Mute Swan Cygnus olor 900 / 900 (birds) 100 good
Whooper Swan Cygnus cygnus 2,100 / 2,100 (birds) 100 good
Garganey Spatula querquedula 1,000 / 500 (birds) 100 good
Gadwall Mareca strepera 6,000 / 6,000 (birds) 100 good
Eurasian Wigeon Mareca penelope 700 / 700 (birds) 100 good
Mallard Anas platyrhynchos 12,000 / 160 (birds) 100 good
Northern Pintail Anas acuta 7,000 / 7,000 (birds) 100 good
A4iii Species group - waterbirds 29,700 / 28,000 (birds) 100 good

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Not assessed Not assessed Not assessed not assessed

Habitats

Habitat % of IBA Habitat detail
Wetlands (inland) 80 Standing brackish & salt water
Artificial/Terrestrial 15 Arable land
Grassland 5 Steppes & dry calcareous

Land use

Land use % of IBA
agriculture 15
rangeland/pastureland 10


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bolshoy Kak Lake (Kazakhstan). Downloaded from https://datazone.birdlife.org/site/factsheet/bolshoy-kak-lake-iba-kazakhstan on 23/12/2024.