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Location Czech Republic, South Moravia
Central coordinates 16o 58.00' East  48o 42.00' North
IBA criteria B2, B3, C6
Area 9,576 ha
Altitude 146 - 168m
Year of IBA assessment 2002

Czech Society for Ornithology



Site description The IBA includes the confluence of the Morava (March) and Dyje (Thaya) rivers south of Lanhot. It is a complex of woods of various age, woodland clearings, and meadows with solitary oaks crossed by a network of canals, oxbows, streams, and swamps. The most common wood species of the drier areas are the Pedunculate Oak, the Narrow-leaved Ash, and the European White Elm. At waterlogged areas the White Willow and poplars prevail. Spring floods are a typical phenomenon of this area. The whole area serves as a deer park where red and fallow deer are bred.

Key Biodiversity TIt is one of the most important ornithological sites in the whole country. The area is an impotrant breeding and wintering site as well as migration stopover - 240 bird species have been recorded there. It is the Czech republic's only breeding site of the Imperial Eagle.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White Stork Ciconia ciconia breeding  1998-2002  48-64 breeding pairs  good  B2, C6  Least Concern 
Saker Falcon Falco cherrug breeding  1998-2002  2-4 breeding pairs  good  C6  Endangered 
Black Kite Milvus migrans breeding  1998-2000  10-13 breeding pairs  good  C6  Least Concern 
Red Kite Milvus milvus breeding  1998-2002  8-13 breeding pairs  good  C6  Near Threatened 
Red Kite Milvus milvus passage  1998-2002  10-132 individuals  good  C6  Near Threatened 
European Honey-buzzard Pernis apivorus breeding  1998-2002  11-17 breeding pairs  good  C6  Least Concern 
Common Kingfisher Alcedo atthis breeding  1998-2002  3-22 breeding pairs  good  C6  Least Concern 
Picus canus breeding  1998-2002  20-35 breeding pairs  good  C6  Not Recognised 
Eurasian Wryneck Jynx torquilla breeding  2000  35-40 breeding pairs  good  B2  Least Concern 
Middle Spotted Woodpecker Leiopicus medius resident  1998-2002  500 breeding pairs  good  B3, C6  Least Concern 
Collared Flycatcher Ficedula albicollis breeding  1996  1,500-2,000 breeding pairs  medium  B3, C6  Least Concern 

IBA Monitoring

2010 not assessed unfavourable not assessed
  Population
Good - based on reliable and complete / representative data

Ciconia ciconia White Stork 56 39 breeding pairs 70 near favourable
Falco cherrug Saker Falcon 3 3 breeding pairs 100 favourable
Milvus milvus Red Kite 10 13 breeding pairs 100 favourable
Pernis apivorus European Honey-buzzard 14 8 breeding pairs 58 unfavourable
Milvus migrans Black Kite 11 16 breeding pairs 100 favourable
Picus canus 27 27 breeding pairs 100 favourable
Leiopicus medius Middle Spotted Woodpecker 500 400 breeding pairs 80 near favourable
Ficedula albicollis Collared Flycatcher 1750 1500 breeding pairs 86 near favourable

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Mokrady dolního Podyjí (floodplain of lower Dyje River) Wetlands of International Importance (Ramsar) 11,500 protected area contains site 5,000  
Ranspurk National Nature Reserve 19 protected area contained by site 19  
Skariny Nature Reserve 13 protected area contained by site 13  
Soutok National Nature Reserve 2 protected area contained by site 13  
Soutok - Podluzi - CZ0624119 Habitats Directive 9,700 protected area contains site 9,576  
Soutok - Tvrdonicko - CZ0621027 Birds Directive 9,576 is identical to site 9,576  
Stiburkovska jezera Nature Reserve 29 protected area contained by site 29  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest  56%
Grassland Humid grasslands  11%
Wetlands (inland) Fens, transition mires and springs; Rivers and streams  7%
Artificial - terrestrial Arable land  26%

Land use

Land-use Extent (% of site)
agriculture 5%
forestry 80%
hunting 90%
nature conservation and research 1%

Protection status National Low International High56.1% of IBA covered by Ramsar Site (Wetlands of the Lower Dyje River, 11,500 ha). Included within the IBA are 2 National Nature Reserves and 2 Nature Reserve(covering 74,52 ha). SPA Soutok-Tvdonicko was deigned (9576,1 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Confluence of the Morava (March) and Dyje (Thaya) rivers - Tvrdonicko. Downloaded from http://www.birdlife.org on 28/12/2014

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