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Location Hungary, Bács-Kiskun
Central coordinates 19o 19.00' East  46o 46.00' North
IBA criteria C6
Area 3,600 ha
Altitude 97 - 104m
Year of IBA assessment 2002

Hungarian Ornithological and Nature Conservation Society

Site description The IBA is situated on the sandy alluvial fan of Kiskunság, near to the village of Izsák. It consists of a large lake almost entirely covered by reeds Phragmites, and surrounded by wet grassland and sand-dunes. Human activities include grazing, haymaking and reed-harvesting (`Other' land-use, below).

Key Biodiversity An important site for breeding herons (Ardeidae). Breeding species of global conservation concern that do not meet IBA criteria: Haliaeetus albicilla, Crex crex (no data), Otis tarda (2-3 individuals).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Great White Egret Ardea alba breeding  1997-2000  80 breeding pairs  C6  Least Concern 
Moustached Warbler Acrocephalus melanopogon breeding  1997-2000  30 breeding pairs  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Kiskunsági National Park 51,364 protected area contains site 2,962  
Lake Kolon at Izsák Wetlands of International Importance (Ramsar) 2,962 protected area contains site 2,962  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Wooded steppe  15%
Grassland Humid grasslands; Steppes and dry calcareous grassland  15%
Wetlands (inland) Standing freshwater; Water fringe vegetation  40%
Artificial - terrestrial Forestry plantations; Highly improved re-seeded landscapes  30%

Land use

Land-use Extent (% of site)
agriculture 30%
forestry 30%
nature conservation and research 50%
other 50%

Protection status National High International High2,962 ha of IBA covered by National Park (Kiskunsági, 53,429 ha). 2,962 ha of IBA covered by Ramsar Site (Lake Kolon, 2,962 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Kolon Lake. Downloaded from on 23/10/2016

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