EBCC Atlas of European Breeding Birds

Study Extent

Europe, 1972-1995. Data collection periods vary per country but all lie in the mentioned period. Hundreds of thousands, perhaps more than a million, hours of fieldwork are the basis of this Atlas.

Sampling

In some countries, fieldwork for this Atlas and their national atlas was combined; in others data from an independent national atlas project were used to provide dfata for this Atlas. Methods used in the field ranged from single visits to systematic surveys based on point- or line-transects or territory mapping on plots.

Quality Control

It was planned that Atlas fieldwork should take place during 1985-1988. Nations organized their own fieldwork, however, and because of practical difficulties could not all meet that timescale. Where coverage was incomplete for the survey period, earlier or later data were evaluated to determine whether coverage or quality could be improved by including them.

Method steps

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All birds

1. Aves
   common name: Birds rank: class

For defining the area of intended coverage, this atlas uses the base map of "Atlas Florae Europaeae" (Jalas & Suominen 1972, 1988) except that it includes Novaya Zembla, Franz Josef Land, all the Greek islands close to mainland Turkey, the Madeiran archipelago, the Azores, the Stavropol region of south-western Russia and the Caucasus republics.