Biodiversity policy Europe: grassland butterfly indicator 1990-2011

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The European Environment Agency has published The European Grassland Butterfly Indicator: 1990-2011Overview and report based on structured surveys - coverage as yet partial, but steep declines attributed to intensified grassland management in western Europe and abandonment in eastern Europe.  Suggests that the majority of decline in western Europe predates the survey.

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith