Aggregation of indicators for biological diversity in the Nordic countries

Proceedings and recommendations from the workshop at Tune Landboskole, Denmark, 29–30 March 2006

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The Nordic countries have a common goal to halt the decline in biological diversity by 2010. Indicators and indices are important tools to describe the development in biodiversity and hence evaluate the 2010-target. At a workshop held in March 2006, the quality, availability and policy relevance of biodiversity data in the Nordic countries were evaluated. Available data differ between countries but it was agreed that the overall quality of the data allows the development of an aggregated index (and a set of indicators) that can describe the state of biodiversity in the Nordic countries. In a Nordic biodiversity index, quantity of biodiversity should be measured as total area of each habitat type, both inside and outside protected areas. Quality should be measured as species abundance and, when applicable, as species composition and/or habitat structure (e.g. dead wood). The index should be illustrative, easily understood and based on transparent calculations and assumptions.




Understanding what happens to our environment forms the fundament for good decisions. Comprehensive indicator sets and indices are among the most important and useful information tools, because they at the same time show what happens to the environment and help explain what causes the changes. This contributes to form the knowledge base for decision makers to respond and act.


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