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The valuation of ecosystem services: Are the challenges too many to ensure the maintenance of ecosystem integrity?
… this imperfect knowledge. 23 Hussen (n.12) 177. See also: ‘Deep discount’, The Economist: Finance & Economics, (June 24th 1999). 24 ‘Deep discount’, The Economist: Finance & Economics, (June … procedure on gas exploitation in the Wadden Sea ecosystem may illustrate this problem. In 1999, an …