Four Atlantic Case Studies


Pas, Miera and Asón Catchments


The study case encompasses three river basins located in Northern Spain: Pas, Miera and Asón, incorporating the terrestrial, riverine and estuarine areas.


The primary sector is predominant in the region, with an important seafood, fishing and bovine (semi-intensive) industry.

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Armorican massif, Couesnon River Catchment


The Case Study includes the Couesnon river catchment located in North-Western France in the Armorican massif. This is a small river catchment of 1130 km² which discharges into the bay of Mont-Saint-Michel (UNESCO world heritage site).

This catchment is mostly structured by agriculture with mixed grazing pastures in upper stream and polders at the interface with the sea. There is also a short floodplain downstream.

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Carlingford Lough, Northern Ireland


Located on the East Coast of Ireland straddling the border between Northern Ireland and the Republic of Ireland.


The areas of Carlingford Lough on the southern side of the dredged channel have been designated as a Special Area of Conservation (SAC).

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Paiva River, Douro Catchment

The case study area is the Paiva River, a tributary of the Douro, situated in northern Portugal, incorporating the terrestrial and riverine areas. Paiva is considered one of the least polluted rivers in Europe.


Principal economic activities in the Paiva are agriculture (particularly livestock), forestry, hunting and fishing. Associated transformation industries are also present in the catchment area. Tourism has growing importance.

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