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The valuation of ecosystem services: Are the challenges too many to ensure the maintenance of ecosystem integrity?
… food production, aquaculture, transport, hunting, mining, energy production, recreation and building on the other hand. … that persist well into the future. Exhaustible energy resources, once used, are gone. Biological renewable … subsidence of the sea floor, which would affect the area’s tidal flats, sand flats, salt marshes, including its flora …