Project part-financed by the European Union (European Regional Development Fund)

The Interreg IVB North Sea Region Programme

The authors are solely responsible for the content of this report. Material included herein does not represent the opinion of the European Community, and the European Community is not responsible for any use that might be made of it.
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Ecosystem Service Assessment of TIDE Estuaries

5a. ES supply by habitats

Ecosystem services are supplied by ecosystem functions. These functions are the collection of structures (species, water bodies, soil entities,…) and processes (primary production, sedimentation and marsh formation, tidal pumping,…) which are linked to the supply of the service. Also, some services consist of several functionally separated ‘intermediate’ services, such as ‘water purification’ which consist of ‘denitrification’, ‘immobilization of pollutants’ etc (Figure 10).

A common unit however in the functional understanding of the estuarine system is ‘the habitat’, which is a well described part of the ecosystem which is distinguished by its physical and/or ecologic properties.
From the survey results (Figure 10), typical “subtidal” services (Provisioning service “water for navigation” and the underlying “Water quantity regulation: transportation” as well as “Water for industrial use”), typical “intertidal” services (regulating services concerning carbon, excess nutrient loads, and related to reduction of flood risks and wave/water current reduction) as well as services (most) delivered by a broad range of habitats can be distinguished.

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