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Location Hungary, Fejér
Central coordinates 18o 33.00' East  47o 0.00' North
IBA criteria C1, C2, C3, C6
Area 5,313 ha
Altitude 92 - 111m
Year of IBA assessment 2002

Hungarian Ornithological and Nature Conservation Society

Site description A well-drained low-lying flood-plain situated along the Sárvíz canal, between the two loess plateaus of Mezõföld. The IBA includes fish-ponds with fringing reedbeds (Phragmites), and surrounding Populus and Robinia woodlands, pastures and saline lakes. Human activities include grazing, arable farming and reed-harvesting.

Key Biodiversity An important area for wintering geese. Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (18 breeding pairs), Haliaeetus albicilla (3-5 wintering birds).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bean Goose Anser fabalis passage  1997-2000  10,000-20,000 individuals  C3  Least Concern 
Greater White-fronted Goose Anser albifrons passage  1997-2000  1,000-3,000 individuals  C3  Least Concern 
Greylag Goose Anser anser passage  1997-2000  1,500-3,000 individuals  C3  Least Concern 
Mallard Anas platyrhynchos passage  1997-2000  30,000 individuals  C3  Least Concern 
Ferruginous Duck Aythya nyroca breeding  1997-2000  25-30 breeding pairs  C1  Near Threatened 
Eurasian Bittern Botaurus stellaris breeding  1997-2000  30-40 breeding pairs  C2, C6  Least Concern 
Pied Avocet Recurvirostra avosetta breeding  1997-2000  15-25 breeding pairs  C6  Least Concern 
Mediterranean Gull Larus melanocephalus breeding  1997-2000  6-25 breeding pairs  C6  Least Concern 
Bluethroat Luscinia svecica breeding  1997-2000  40 breeding pairs  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Rétszilas Fishponds Wetlands of International Importance (Ramsar) 1,508 protected area contained by site 1,508  
Rétszilasi - Tavak Nature Conservation Area 1,496 protected area contained by site 1,496  
Sárvíz - Völgye Landscape Protected Area 3,617 protected area contained by site 3,616  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland  15%
Grassland Humid grasslands; Mesophile grasslands; Steppes and dry calcareous grassland  20%
Wetlands (inland) Standing freshwater; Water fringe vegetation  25%
Artificial - terrestrial Arable land; Forestry plantations; Other urban and industrial areas  40%

Land use

Land-use Extent (% of site)
agriculture 40%
fisheries/aquaculture 20%
hunting 60%
forestry 15%
water management 25%

Protection status National Partial International Partial1,496 ha of IBA covered by Nature Conservation Area (Rétszilasi-tavak, 1,496 ha). 3,616 ha of IBA covered by Landscape Protected Area (Sárvíz-völgy, 3,616 ha). 1,496 ha of IBA covered by Ramsar Site (Rétszilasi, 1,496 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Sárvíz Valley. Downloaded from on 21/10/2016

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