Key Biodiversity Areas

Lough Iron and Glen Lough (627)
Ireland, Europe

Site overview


KBA status: confirmed
Year of last assessment: 2009
National site name: Lough Iron and Glen Lough
Central coordinates: Latitude: 53.6167, Longitude: -7.4833
System: freshwater, terrestrial
Elevation (m): 62 to 64
Area of KBA (km2): 10.2125
Protected area coverage (%): 99.20
KBA classification: Regional
Legacy site: Yes

Site details


Site description: Glen Lough is situated approximately 5 km north-west of Lough Iron, and is connected to it via the Black River. Both lakes are located in County Westmeath and have suffered drastic drops in water-level subsequent to drainage in the 1960s. As a result both lakes are now occupied by freshwater marsh, with little surface water except when winter flooding occurs. Parts of both lakes have also suffered from the planting of conifers and both are surrounded by farmland. Reedbed fringes, and is encroaching further into, Lough Iron, while Glen Lough supports Salix scrub, reed-swamp, dry grassland, cutaway bog and fen. Wildfowling occurs at both sites.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that was identified using previously established criteria and thresholds for the identification of Important Bird and Biodiversity Areas (IBAs) and for which available data indicate that it does not meet global KBA criteria and thresholds set out in the Global Standard.
Additional biodiversity: In recent years numbers of wintering swans Cygnus and Anser albifrons flavirostris have declined at Glen Lough. Birds of the latter species also use Lough Ennell (site 140), Lough Owel (site 139), Lough Derravaragh (site 138) and Garriskil bog (site 136). Dabbling duck occur in large numbers and this is one of the most important sites in Ireland for wintering Anas clypeata (159 birds, 1996). Other species occurring in numbers of national importance are Anas penelope (3,118 birds, 1995), Anas crecca (950 birds, 1995), Aythya fuligula (350 birds, 1995), Fulica atra (370 birds, 1996), Pluvialis apricaria (5,300 birds, 1996) and Vanellus vanellus (7,000 birds, 1995).

Habitats


Land use: agriculture (60%) | forestry (10%) | hunting (30%)
IUCN HabitatCoverage %Habitat detail
Grassland20
Shrubland10
Wetlands(Inland)40
Artificial - Terrestrial30

Threats


Summary of threats to biodiversity at KBA: In 1997 the Office of Public Works completed maintenance drainage at Glen Lough which resulted in less frequent winter flooding over shorter periods. A complaint in relation to this damage was made to the European Commission. Restoration measures are now in place, though their success is yet to be determined. Also within Glen Lough the area where Anser albifrons flavirostris used to feed has been planted with conifers. At both lakes disturbance to birds is likely due to wildfowling.