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Bird decline, insect decline and neonicotinoids
exploring the connections

De broedpopulatie van de aalscholver neemt sinds de jaren 1980 sterk toe

Bronnen:
http://www.synbiosys.alterra.nl/natura2000/documenten/profielen/vogels/…
http://www.aviflevoland.nl/html/Aalscholver.html
http://www.sovon.nl/soorten.asp?euring=720&lang=nl
http://nl.wikipedia.org/wiki/Aalscholver

EU population trends GREAT CORMORANT.pdf
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