KZ028
Bolshoy Kak Lake


IBA Justification

The site was identified as important 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 List1 Season Year(s) Size IBA criteria
Whooper Swan Cygnus cygnus LC passage 2007 20-1,200 individuals A4i
Red-breasted Goose Branta ruficollis VU passage 2007 1,540-5,020 individuals A1, A4i
Greylag Goose Anser anser LC passage 2007 1,880-5,660 individuals A4i
Greater White-fronted Goose Anser albifrons LC passage 2007 2,500-9,000 individuals A4i
Lesser White-fronted Goose Anser erythropus VU passage 2007 15-37 individuals A1
Common Crane Grus grus LC passage 2007 225-890 individuals A4i
A4iii Species group - waterbirds n/a passage 2007 20,000-49,999 individuals A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.


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 favourable not assessed not assessed
Whole site assessed? State assessed by Accuracy of information
no population medium

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

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas Management plan Other action Result
Not assessed Not assessed Not assessed not assessed

Habitats

Habitat1 Habitat detail % of IBA
Wetlands (inland) Standing brackish & salt water 80
Artificial/Terrestrial Arable land 15
Grassland Steppes & dry calcareous 5
1. IUCN Habitat classification.

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 23/11/2024.