The Ecosystem Service approach has gained a lot of attention lately, as it interlinks ecosystems with the benefits humans derive from them. The Knowledge Flow paper at hand is giving a first overview of the Ecosystem Service approach. The paper focuses on the basic understanding of the concept...

The Knowledge Flow Paper at hand gives an overview of the economic reasons for the loss of biodiversity and eco¬system services, i.e. the public goods character and externalities. It points out that natural ecosystems have a higher economic value than currently reflected by market prices. The...