Strangford Lough

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Carlingford Lough Strangford Lough Belfast Lough Larne Lough Lough Foyle

Strangford Lough is a large marine inlet situated on the east coast of Northern Ireland. It has two major freshwater sources: the Comber and Quoile rivers. Almost land-locked, the lough is connected to the Irish Sea by the Strangford narrows.

Characteristics

Volume
(millions m3)

Total area
(km2)

Maximum depth
(m)

Catchment area
(km2)

Temperature range
(ēC)

Mean salinity

Water residence time
(days)*
 

River flow (m3s-1)

1 537

149

59

772

2-19

33

4-28

3.5

* Calculated as the e-folding time using the Delft3D circulation model

Nutrients

Mean nutrient concentration (μmol l-1)

Nutrient load (ton year-1)

Ammonium

Nitrate

Phosphorus

Silicate

Nitrogen

Phosphorus

2.8

13.5

2

4.3

1 202

126

Aquaculture

Licensed sites

22 (only 12 are producing)

Total aquaculture area (km2)

3.9

Species

Mussels, oysters and scallops

 

Conservation
MNR – Marine Nature Reserve
ASSI - Area of Special Scientific Interest
AONB – Area of Outstanding Natural Beauty
SAC – Special Area of Conservation
SPA – Special Protection Area

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