To value functions or services? An analysis of ecosystem valuation approaches Author Ansink E., Hein L., Hasund K.P. Journal/Series Environmental Values | Vol. 17(4); 489 - 504; 16 p. Date 2008 Source IUCN (ID: ANA-081359) Publisher | Place of publication The White Horse Press | Cambridge, UK Document type Article in periodical Language English Field of application International Subject Wild species & ecosystems Keyword Resource/damage valuation