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State of biodiversity in the Nordic countries

An assessment of progress towards achieving the target of halting biodiversity loss by 2010

image of State of biodiversity in the Nordic countries

The Nordic countries have agreed on a common target to halt the decline in biodiversity by 2010. This report aims at evaluating the 2010-target by presenting indicators that can describe trends in biodiversity in the Nordic countries. Our results comprise the most comprehensive documentation of land use in the Nordic countries to date. The area of important nature types such as mire, grassland and heathland have decreased significantly over the past one to two decades, whereas the area of constructed habitats, including city areas and transport networks, has grown considerably in all of the Nordic countries. Each of these trends in land use will cause biodiversity to decline. Looking into the quality aspect of biodiversity, our results reveal that two-thirds of the quality indicators presented show declines and the remaining one-third show improvements (or steady-state). Overall, our results indicate that biodiversity has declined in the Nordic countries since 1990. In particular, farmland, mire, grassland and heathland habitats show declines in biodiversity, but also the remaining habitats show negative trends. Therefore, based on the findings from this study, we conclude that it is highly unlikely that the target of halting biodiversity loss by 2010 can be achieved by the Nordic countries. Our results should be perceived as a first attempt to make an overall assessment of biodiversity in the Nordic countries. We believe that if further efforts were directed towards scrutinising existing and historic monitoring programmes and data sources, additional indicators could be calculated and hence a better knowledge base would be achieved.

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Introduction

The Nordic countries have agreed on a common goal to halt the loss of biodiversity by 2010 (Nordic Council of Ministers 2005). To document progress towards this target, the state and trends of biodiversity should be measured and evaluated. In March 2006 a workshop was held in Denmark to discuss how the 2010 target could be evaluated in a Nordic context (Normander et al. 2006). It was agreed that enough biodiversity data exist in the Nordic countries to develop indicators and possibly even a composite index that can describe the present state and historical development of biodiversity. However, aggregation and harmonisation of the various datasets as well as discrepancies in the different nature monitoring programmes would have to be addressed.

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