Trends in farmland bird populations in Member States with a higher share of intensive agriculture

Figure expired Created 12 Nov 2009 Published 12 Nov 2009 Last modified 26 Aug 2017
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The number of bird species taken into account for each country is given in the legend

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The curves should not be compared by index value, but by the slope of the curve in year intervals. The population index value is centred on the average (i.e. the index values are lying close to 100). Source for country agricultural intensification ranking Donald P.F., Green R. E. and Heath M. F. 2001. Agricultural intensification and the collapse of Europe's farmland bird populations. Proc. R. Soc. Lond. 268, 25-29.

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