The indicator is an aggregated index integrating the population abundance and the diversity of a selection of common bird species. Three groups of bird species are presented in this indicator: farmland specialists (39 species), forest specialists (33 species) and all common bird species (farmland species, forest species and a further 91 species).Rare species are excluded.
Retrieved from: http://ec.europa.eu/eurostat/cache/metadata/EN/tsdnr100_esmsip.htm on 25-03-2015
Unit of Measurement:
Type of Indicator source:
- Statistical office