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Location Hungary, Somogy
Central coordinates 17o 33.00' East  46o 44.00' North
IBA criteria C1, C3
Area 9,324 ha
Altitude 100 - 152m
Year of IBA assessment 2002

Hungarian Ornithological and Nature Conservation Society

Site description A former marshland on the southern side of Lake Balaton, where only small fragments of original habitat remain following land reclamation. The IBA comprises hay meadows and arable land with scattered Alnus and Salix woodlands, wet meadows, reedbeds (Phragmites), an extensive ditch network and several fish-ponds. Human activities include arable farming, cattle-grazing, haymaking and reed-harvesting (`Other' land-use, below).

Key Biodiversity The IBA is important for both breeding and migratory wildfowl. Species of global conservation concern that do not meet IBA criteria: Haliaeetus albicilla (breeding and wintering), Crex crex (breeding, no data). 206 species have been recorded either as having bred or as having occurred whilst on migration.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bean Goose Anser fabalis passage  2001  4,000-4,500 individuals  unknown  C3  Least Concern 
Greylag Goose Anser anser passage  2001  1,000-1,500 individuals  unknown  C3  Least Concern 
Ferruginous Duck Aythya nyroca breeding  2001  28-30 breeding pairs  unknown  C1  Near Threatened 
Corncrake Crex crex breeding  2001  33-35 breeding pairs  unknown  C1  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Nagybereki Fehérviz Nature Conservation Area 1,559 protected area contained by site 1,537  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest  10%
Shrubland Scrub  10%
Grassland Humid grasslands; Mesophile grasslands  50%
Wetlands (inland) Standing freshwater; Water fringe vegetation  14%
Artificial - terrestrial Arable land; Forestry plantations; Highly improved re-seeded landscapes  16%

Land use

Land-use Extent (% of site)
agriculture 50%
fisheries/aquaculture 5%
hunting 35%
tourism/recreation 10%
other 5%

Protection status National Low International None1,537 ha of IBA covered by Nature Conservation Area (Nagybereki Fehérvíz, 1,537 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Nagy-berek of Fonyód. Downloaded from on 24/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife