 Common farmland bird index (sources: OECD, BirdLife)
                methods, notes and classification
                Common farmland bird index (sources: OECD, BirdLife)
                methods, notes and classification
            
         
     
 
    
        
            
                                    
                
                
                
                
                    
                    
                        
                            -  Unit of measure
-  Geopolitical entity (reporting)- 0 Belgium
- 1 Czechia
- 2 Denmark
- 3 Germany (until 1990 former territory of the FRG)
- 4 Estonia
- 5 Ireland
- 6 Greece
- 7 Spain
- 8 France
- 9 Italy
- a Cyprus
- b Latvia
- c Lithuania
- d Luxembourg
- e Hungary
- f Netherlands
- g Austria
- h Poland
- i Portugal
- j Slovenia
- k Slovakia
- l Finland
- m Sweden