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Vol. 65 No. 1 (1988)

Published: 1988-03-31

Editorial

Citation patterns of papers published in Ornis Fennica

O. Järvinen, H. Pietiäinen

31–36
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Research articles

Population trends among archipelago birds in the Krunnit sanctuary, northern Gulf of Bothina, in 1939–85

E. Helle, P. Helle, R. A. Väisänen

1–12
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Factors affecting nest predation in the Great Crested Grebe: field observations, experiments and their statistical analysis

V. Salonen, A. Penttinen

13–20
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Diet of breeding Tengmalm`s Owls Aegolius funereus: long-term changes and year-to-year variation under cyclic food conditions

E. Korpimäki

21–30
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Brief report

Chernobyl radiation not the cause of fatally delayed autumn migration of the Swift Apus apus in 1986

E. Lehikoinen, J. Lindström

37–38
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Fringilla coelebs "stupida" - a case of behavioural anomaly in nest building

P. Voipio

39–40
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Biography

Commemorating the centennial of Einari Merikallio`s birth

R. A. Väisänen

40–42
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