UK081
Berwyn


IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Hen Harrier Circus cyaneus LC resident 1999-2004 11 breeding pairs C6
Merlin Falco columbarius LC resident 1996-2000 12 breeding pairs C6
Peregrine Falcon Falco peregrinus LC resident 2002 10 breeding pairs C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2007 medium unfavourable medium
Was the whole site covered? Yes State assessed by Population
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now some of area/population (10-49%) slow but significant deterioration medium
Biological resource use hunting & collecting terrestrial animals - persecution/control past (and unlikely to return) and no longer limiting some of area/population (10-49%) moderate to rapid deterioration low
Energy production and mining renewable energy likely in long term (beyond 4 years) some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) slow but significant deterioration low

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Circus cyaneus 14 11 breeding pairs 79 near favourable
Falco columbarius Merlin 15 12 breeding pairs 80 near favourable
Falco peregrinus 18 10 breeding pairs 56 unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity medium
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Y Berwyn National Nature Reserve 7,920 protected area overlaps with site 7,916
West Llangynog Slate Mine Site of Special Scientific Interest (UK) 7 protected area overlaps with site 0
Tanat And Vyrnwy Bat Sites/ Safleoedd Ystlumod Tanat Ac Efyrnwy Site of Community Importance (Habitats Directive) 12 protected area is adjacent to site 0
Snowdonia National Park 213,985 protected area overlaps with site 4,150
Pistyll Rhaeadr Site of Special Scientific Interest (UK) 61 protected area overlaps with site 0
Penarth Quarry Site of Special Scientific Interest (UK) 9 protected area overlaps with site 0
Lake Vyrnwy RSPB Reserve 10,109 protected area overlaps with site 6,548
Lake Vyrnwy Nature Reserve 10,100 protected area overlaps with site 0
Bryniau Clwyd a Dyffryn Dyfrdwy/Clwydian Range and Dee Valley Area of Outstanding Natural Beauty 38,929 protected area overlaps with site 0
Berwyn A Mynyddoedd De Clwyd/ Berwyn And South Clwyd Mountains Site of Community Importance (Habitats Directive) 27,209 protected area overlaps with site 21,971
Berwyn Site of Special Scientific Interest (UK) 24,272 protected area overlaps with site 24,187
Berwyn Special Protection Area (Birds Directive) 24,268 is identical to site 24,187

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Shrubland Heathland -
Grassland -
Wetlands (inland) Blanket bogs, Water fringe vegetation -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
forestry -
tourism/recreation -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Berwyn. Downloaded from http://www.birdlife.org on 03/12/2020.