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Location Croatia, Brodsko-posavska zupanija
Central coordinates 17o 50.18' East  45o 8.31' North
IBA criteria B1iv, C5
Area 41,350 ha
Altitude 87 - 100m
Year of IBA assessment 2005

Association BIOM (Affiliate)

Site description Jelas polje is extensive lowland area between Sava River and Dilj Mountain. It includes the largest carp fishpond complex in Croatia with well-developed emergent and floating vegetation as well as wet pastures and ponds along Sava River. These wetland habitats are ornithologically the most valuable part of the area. The prevailing habitat is intensively used arable land. The area also comprises alluvial oak forest, as Mrsunjski lug. The area is important for breeding and wintering of waterbirds and the most important stop-over site of Cranes. The main threats are possible loss of carp fishponds due to abandonment of fish production, river canalization, agricultural intensification, changes in traditional farming, intensified forest management and excessive or illegal hunting.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
A4iv Species group - soaring birds/cranes passage  3,000-7,000 individuals  B1iv, C5   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bara Dvorina Kraj Donje Bebrine Special Reserve 726 protected area contained by site 738  
Dio Ribnjaka Jelas Special Reserve 125 protected area contained by site 1  
Gajna Protected Landscape 480 protected area contained by site 402  
Jelas Polje Protected Landscape 22,000 protected area contained by site 19,545  
Jelas polje s ribnjacima i poplavnim pasnjacima uz Savu Other Area 38,875 is identical to site 38,875  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland  20%
Grassland Humid grasslands  20%
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  30%
Artificial - terrestrial Arable land; Highly improved re-seeded landscapes; Other urban and industrial areas; Perennial crops, orchards and groves  30%

Land use

Land-use Extent (% of site)
agriculture 30%
fisheries/aquaculture 25%
forestry 25%
hunting 25%

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Jelas field including fishponds and wet pastures along Sava RIver. Downloaded from on 22/10/2016

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