CZ008
Trebonsko (Trebon region)


IBA Justification

The site was identified as internationally important for bird conservation in 2002 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

Populations meeting IBA criteria ('key species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Greylag Goose Anser anser LC passage (1998–2000) 2,400–10,000 individuals A4i, B1i, C3
Red-crested Pochard Netta rufina LC breeding (1996–2000) 20–40 breeding pairs B2
Common Pochard Aythya ferina VU breeding (1996–2000) 790 breeding pairs B3
Northern Shoveler Spatula clypeata LC passage (1998–2002) 480–1,300 individuals C3
Gadwall Mareca strepera LC passage (1998–2002) 750–950 individuals A4i, B1i, C3
Gadwall Mareca strepera LC breeding (1996–2000) 950–1,000 breeding pairs A4i, B1i, B2
European Nightjar Caprimulgus europaeus LC breeding (1998–2002) 15–30 breeding pairs C6
Black Stork Ciconia nigra LC breeding (1998–2002) 10–15 breeding pairs B2, C6
White Stork Ciconia ciconia LC breeding (1996–2000) 10–15 breeding pairs B2
Black-crowned Night Heron Nycticorax nycticorax LC breeding (1998–2002) 80–120 breeding pairs B2, C6
Great White Egret Ardea alba LC passage (1998–2002) 380 individuals C2
Common Tern Sterna hirundo LC breeding (1998–2000) 34–82 breeding pairs C6
Eurasian Pygmy-owl Glaucidium passerinum LC resident (1998–2002) 100–150 breeding pairs C6
Boreal Owl Aegolius funereus LC resident (1998–2002) 30–50 breeding pairs C6
Tawny Owl Strix aluco LC resident (1998–2000) 100–200 breeding pairs B3
Eurasian Eagle-owl Bubo bubo LC resident (1996–2000) 10–15 breeding pairs B2
European Honey-buzzard Pernis apivorus LC breeding (1998–2000) 10–20 breeding pairs B3, C6
Western Marsh-harrier Circus aeruginosus LC breeding (1998–2002) 50–60 breeding pairs C6
White-tailed Sea-eagle Haliaeetus albicilla LC breeding (1998–2002) 10–15 breeding pairs A1, C1
White-tailed Sea-eagle Haliaeetus albicilla LC winter (1998–2000) 40–50 individuals A1, C1
Common Kingfisher Alcedo atthis LC resident (1996–2000) 20–30 breeding pairs B2, C6
Eurasian Green Woodpecker Picus viridis LC resident (1996–2000) 80–150 breeding pairs B2
Grey-faced Woodpecker Picus canus LC resident (1998–2002) 40–60 breeding pairs B2, C6
Black Woodpecker Dryocopus martius LC resident (1998–2002) 80–100 breeding pairs C6
Middle Spotted Woodpecker Leiopicus medius LC resident (1996–2000) 90–110 breeding pairs B3
Woodlark Lullula arborea LC breeding (1998–2002) 20–30 breeding pairs C6
Collared Sand Martin Riparia riparia LC breeding (1996–2000) 500–1,000 breeding pairs B2
Bluethroat Luscinia svecica LC breeding (1998–2002) 140–180 breeding pairs C6

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2010) is shown below.

IBA conservation status
Year of assessment State Pressure Response
2010 very unfavourable not assessed not assessed
Whole site assessed? State assessed by Accuracy of information
no population good

State (condition of the key species' populations)
Species Actual vs Reference (units) % remaining Result
Greylag Goose Anser anser 3,240 / 6,780 (individuals) 48 unfavourable
Northern Shoveler Spatula clypeata 1,019 / 698 (individuals) 100 favourable
Gadwall Mareca strepera 229 / 840 (individuals) 28 very unfavourable
European Nightjar Caprimulgus europaeus 17 / 23 (breeding pairs) 74 near favourable
Black Stork Ciconia nigra 8 / 12 (breeding pairs) 67 unfavourable
Black-crowned Night Heron Nycticorax nycticorax 112 / 100 (breeding pairs) 100 favourable
Great White Egret Ardea alba 197 / 380 (individuals) 52 unfavourable
Common Tern Sterna hirundo 55 / 60 (breeding pairs) 92 favourable
European Honey-buzzard Pernis apivorus 25 / 15 (breeding pairs) 100 favourable
Western Marsh-harrier Circus aeruginosus 35 / 55 (breeding pairs) 64 unfavourable
White-tailed Sea-eagle Haliaeetus albicilla 13 / 13 (breeding pairs) 100 favourable
White-tailed Sea-eagle Haliaeetus albicilla 70 / 45 (individuals) 100 favourable
Common Kingfisher Alcedo atthis 17 / 25 (breeding pairs) 68 unfavourable
Black Woodpecker Dryocopus martius 70 / 90 (breeding pairs) 78 near favourable
Middle Spotted Woodpecker Leiopicus medius 100 / 100 (breeding pairs) 100 favourable
Woodlark Lullula arborea 20 / 25 (breeding pairs) 80 near favourable
Bluethroat Luscinia svecica 160 / 160 (breeding pairs) 100 favourable

Response (conservation actions taken for the key species and/or their habitats)
Designation Planning Action Result
Not assessed Not assessed Not assessed not assessed

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1950 Ruda Národní prírodní památka (NPP) (III) <1
1955 Slepičí vršek Prírodní památka (PP) (III) <1
1956 Stará a Nová řeka Národní prírodní rezervace (NPR) (IV) 2
1957 Velký a Malý Tisý Národní prírodní rezervace (NPR) (IV) 1
1974 Fabián Prírodní rezervace (PR) (IV) <1
1977 Tøeboòsko UNESCO-MAB Biosphere Reserve (UA) 100
1979 Trebonsko Protected Landscape Area (V) 100
1980 Třeboňsko Chránená krajinná oblast (CHKO) (V) 93
1987 Vizír Národní prírodní památka (NPP) (IV) <1
1990 Horusická blata Prírodní rezervace (PR) (IV) <1
1990 Rod Prírodní rezervace (PR) (IV) <1
1990 Hliníř Prírodní památka (PP) (III) <1
1991 Ruda u Kojákovic Prírodní rezervace (PR) (IV) <1
1991 Bukové kopce Prírodní rezervace (PR) (IV) <1
1991 Lhota u Dynína Prírodní památka (PP) (IV) <1
1994 Výtopa Rožmberka Prírodní rezervace (PR) (IV) <1
1994 Rybníky u Vitmanova Prírodní rezervace (PR) (IV) <1
1994 Losí blato u Mirochova Prírodní rezervace (PR) (IV) <1
1994 Záblatské louky Prírodní rezervace (PR) (IV) <1
1994 Staré jezero Prírodní rezervace (PR) (IV) <1
1994 Široké blato Prírodní rezervace (PR) (IV) <1
1994 Soví les Prírodní památka (PP) (IV) <1
1994 Rašeliniště Pele Prírodní rezervace (PR) (IV) <1
1994 Rašeliniště Hovízna Prírodní rezervace (PR) (IV) <1
1994 Olšina u Přeseky Prírodní rezervace (PR) (IV) <1
1998 Na Ivance Prírodní rezervace (PR) (IV) <1
1998 Dračice Prírodní rezervace (PR) (IV) <1
2001 Pískovna u Dračice Prírodní památka (PP) (IV) <1
2009 Branské doubí Prírodní památka (PP) (III) <1
2013 V Luhu Prírodní rezervace (PR) (IV) <1
2015 Kramářka Prírodní památka (PP) (IV) <1

Habitats

Habitat % of IBA Habitat detail
Forest 45 Broadleaved deciduous woodland; Native coniferous woodland; Mixed woodland; Alluvial and very wet forest
Artificial/Terrestrial 37 Highly improved re-seeded landscapes; Arable land; Perennial crops, orchards and groves; Urban parks and gardens; Other urban and industrial areas
Wetlands (inland) 24 Standing freshwater; Rivers and streams; Water fringe vegetation; Fens, transition mires and springs
Grassland 5 Humid grasslands; Mesophile grasslands

Land use

Land use % of IBA
forestry 43
agriculture 28
nature conservation and research 20
urban/industrial/transport 14
fisheries/aquaculture 11
tourism/recreation 5
water management 1
hunting -


Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Trebonsko (Trebon region) (Czechia). Downloaded from https://datazone.birdlife.org/site/factsheet/trebonsko-(trebon-region)-iba-czechia on 13/01/2025.