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The Zalama blanket bog


Geotextil being used to recover the Zalama Blanket Bog

The Zalama blanket bog is a clear example of one of the rarest and most endangered habitats of Europe: the blanket bogs (7130* habitat of community interest). This type of peat bogs are found only in areas with a hyper-Atlantic climate, with high rainfalls and cool. The blanket bog develops and generates land high in very acid organic matter, with mosaics of peaty heath, sphagnum moss and hygrophyllic grasslands. It is a permanent community that, if environmental conditions do not change, is not progressing towards other stages of greater structural complexity.

The Zalama blanket bog, in the Ordunte SCI (Site of Community Interest), is the only one in the Basque Autonomous Community, the southernmost in Europe and the easternmost in the Iberian Peninsula. It is an ombrogenious bog that is exclusively supplied by rainwater and the constant mist. The progressive accumulation of peat leads to a convex morphology with maximum thicknesses of around 2 metres. This blanket bog continues to generate peat, which means that it is active and is considered to be a priority habitat of the Habitat Directive. It occupies a small area of approximately 3 hectares.

In this enclave, special mention should be made of the presence of the Eriophorum vaginatum plant, catalogued as being "endangered" for the Basque Country, and Ordunte is the only known location in the BAC where it is found.

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