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Long-term decline in Common Swift Apus apus annual breeding success may be related to weather conditions

Josef Rajchard, Auteur ; Jan Prochazka, Auteur ; Pavel Kindlmann, Auteur

Dans Ornis Fennica (83(2) 2006)

We analyzed the effect of average monthly temperatures and precipitations (May-July) and of the North Atlantic Oscillation (NAO) on the breeding success of the Common Swift (Apus apus) in Trebon (South Bohemia) from 1980-1997. Breeding success c[...]

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