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Grassland butterflies — population index (1990 = 100)

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How to read the graph: since 1990, grassland butterflies have declined by almost 70 %.

European data

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Additional information

For this graph, the data used for grassland butterfly species were from Butterfly Monitoring Schemes in fifteen countries:

Belgium – Flanders (since 1991)
Estonia (since 2004)
Finland (since 1999)
France (since 2005), France – Doubs region (2001–2004)
Germany (since 2005), Germany – Nordrhein Westfalen (since 2001), Germany – Pfalz region (Phengaris nausithous only, since 1989)
Ireland (since 2007)
Jersey (since 2004)
Lithuania (since 2009)
Portugal (1998-2006)
Slovenia (since 2007)
Spain – Catalunya (since 1994)
Switzerland – Aargau (since 1998)
Netherlands (since 1990)
Ukraine – Transcarpathia (since 1990)
United Kingdom (since 1976)

 

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European Environment Agency (EEA)
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1050 Copenhagen K
Denmark
Phone: +45 3336 7100