Nove Mlyny middle reservoir

IBA Justification

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'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Greylag Goose Anser anser LC passage 1998-2002 700-3,500 individuals A4i, B1i, C3
Bean Goose Anser fabalis LC winter 1997-2002 1,000-5,500 individuals A4i, B1i, C3
Greater White-fronted Goose Anser albifrons LC winter 1997-2002 2,000-12,000 individuals A4i, B1i, C3
Red-crested Pochard Netta rufina LC breeding 1991-1996 20-30 breeding pairs B2
Common Tern Sterna hirundo LC breeding 1991-1996 97-274 breeding pairs C6
White-tailed Sea-eagle Haliaeetus albicilla LC winter 1996-2004 18-32 individuals A1, C1
A4iii Species group - waterbirds n/a unknown - min 20,000 individuals A4iii, C4

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2002).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2010 unfavourable not assessed not assessed
Was the whole site assessed? State assessed by Accuracy of information
yes population good

State (condition of the trigger species' populations)
Scientific name Common name Reference population Actual population Units % of population remaining Result
Anser anser Greylag Goose 2100 1400 individuals 67 unfavourable
Sterna hirundo Common Tern 186 89 breeding pairs 48 unfavourable
Haliaeetus albicilla White-tailed Sea-eagle 25 19 individuals 76 near favourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Vestonicka nadrz /Musov/ Nature Reserve 1,017 protected area contained by site 1,017
Věstonická nádrž Prírodní rezervace (PR) 1,024 protected area overlaps with site 0
Střední nádrž vodního díla Nové Mlýny Special Protection Area (Birds Directive) 1,047 protected area overlaps with site 992
Mušovský luh Site of Community Importance (Habitats Directive) 557 protected area is adjacent to site 0
Mokøady dolního Podyjí Ramsar Site, Wetland of International Importance 11,525 protected area contains site 1,048


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater -
Artificial/Terrestrial Ruderal land, Arable land -
Shrubland -
Forest -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
hunting -
nature conservation and research -
water management -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Nove Mlyny middle reservoir. Downloaded from on 29/11/2023.