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The site was identified as important in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
White Stork Ciconia ciconia	LC	breeding	1998-2002	48-64 breeding pairs	B2, C6
European Honey-buzzard Pernis apivorus	LC	breeding	1998-2002	11-17 breeding pairs	C6
Red Kite Milvus milvus	LC	breeding	1998-2002	8-13 breeding pairs	C6
Red Kite Milvus milvus	LC	passage	1998-2002	10-132 individuals	C6
Black Kite Milvus migrans	LC	breeding	1998-2000	10-13 breeding pairs	C6
Common Kingfisher Alcedo atthis	LC	breeding	1998-2002	3-22 breeding pairs	C6
Eurasian Wryneck Jynx torquilla	LC	breeding	2000	35-40 breeding pairs	B2
Grey-faced Woodpecker Picus canus	LC	breeding	1998-2002	20-35 breeding pairs	C6
Middle Spotted Woodpecker Leiopicus medius	LC	resident	1998-2002	500 breeding pairs	B3, C6
Saker Falcon Falco cherrug	EN	breeding	1998-2002	2-4 breeding pairs	C6
Collared Flycatcher Ficedula albicollis	LC	breeding	1996	1,500-2,000 breeding pairs	B3, C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.

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.

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
White Stork Ciconia ciconia	56	39	breeding pairs	70	near favourable
European Honey-buzzard Pernis apivorus	14	8	breeding pairs	58	unfavourable
Red Kite Milvus milvus	10	13	breeding pairs	100	favourable
Milvus migrans	11	16	breeding pairs	100	favourable
Picus canus	27	27	breeding pairs	100	favourable
Middle Spotted Woodpecker Leiopicus medius	500	400	breeding pairs	80	near favourable
Saker Falcon Falco cherrug	3	3	breeding pairs	100	favourable
Collared Flycatcher Ficedula albicollis	1,750	1,500	breeding pairs	86	near favourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation	% overlap with IBA
1949	Ranšpurk	Národní prírodní rezervace (NPR)	<1
1949	Cahnov - Soutok	Národní prírodní rezervace (NPR)	<1
1949	Ranspurk	National Nature Reserve	<1
1949	Soutok	National Nature Reserve	<1
1956	Skařiny	Prírodní rezervace (PR)	<1
1956	Skariny	Nature Reserve	<1
1993	Mokøady dolního Podyjí	Ramsar Site, Wetland of International Importance	52
1994	Stibůrkovská jezera	Prírodní rezervace (PR)	<1
1994	Františkův rybník	Prírodní rezervace (PR)	<1
1994	Stiburkovska jezera	Nature Reserve	<1
2003	Dolní Morava	UNESCO-MAB Biosphere Reserve	100
2004	Soutok - Tvrdonicko	Special Protection Area (Birds Directive)	100
2005	Soutok - Podluží	Site of Community Importance (Habitats Directive)	100

Habitat1	Habitat detail	% of IBA
Forest	Alluvial and very wet forest	56
Artificial/Terrestrial	Arable land	26
Grassland	Humid grasslands	11
Wetlands (inland)	Rivers and streams, Fens, transition mires and springs	7

1. IUCN Habitat classification.

Land use	% of IBA
hunting	90
forestry	80
agriculture	5
nature conservation and research	1

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Confluence of the Morava (March) and Dyje (Thaya) rivers - Tvrdonicko (Czechia). Downloaded from https://datazone.birdlife.org/site/factsheet/confluence-of-the-morava-(march)-and-dyje-(thaya)-rivers--tvrdonicko-iba-czechia on 22/11/2024.