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Location Czech Republic, Usti nad Labem Region
Central coordinates 13o 44.00' East  50o 42.00' North
IBA criteria C6
Area 16,368 ha
Altitude 368 - 955m
Year of IBA assessment 2002

Czech Society for Ornithology

Site description An extensive area covering the upper parts of the Krusné hory mountains, in the recent past so badly damaged by air pollution, causing the dying away of spruce forests. Nowadays, patches of peat bogs mix with bare areas planted with substitute woods and former fields, meadows and frost holes that cannot be planted. A dam, Flajska prehrada, created as a source of drinking water is also part of the IBA. There are large uninhabited areas and human settlements are dispersed irregularly. The environment hosts distinct bird communities.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black Grouse Lyrurus tetrix resident  2002  150-180 males only  good  C6  Least Concern 

IBA Monitoring

2013 high unfavourable low
Good - based on reliable and complete / representative data

Energy production and mining renewable energy likely in short term (within 4 years) majority/most of area/population (50-90%) very rapid to severe deterioration high
Natural system modifications other ecosystem modifications happening now whole area/population (>90%) slow but significant deterioration high

Lyrurus tetrix Black Grouse 165 110 males only 67 unfavourable

Whole area of site (>90%) covered by appropriate conservation designation  Not assessed  Some limited conservation initiatives are in place  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Cerny rybnik Nature Reserve 33 protected area contained by site 33  
GrÜnwaldske vresoviste Nature Reserve 39 protected area contained by site 39  


IUCN habitat Habitat detail Extent (% of site)
Forest   57%
Grassland   28%
Wetlands (inland) Raised bogs; Rivers and streams; Standing freshwater  4%
Shrubland   1%
Artificial - terrestrial   10%

Land use

Land-use Extent (% of site)
forestry major
hunting major
agriculture minor
water management minor
tourism/recreation minor

Protection status There are three small-scale protected areas within this IBA. SPA covering IBA was designed in 2004.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Eastern Krušné hory mountains. Downloaded from on 25/10/2016

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