Journal für Ornithologie

, Volume 136, Issue 1, pp 83–87

Verschiebung der Wegzugperiode bei der Mönchsgrasmücke (Sylvia atricapilla) 1966–1993 — Reaktion auf die Klimaerwärmung?

  • Einhard Bezzel
  • Walter Jetz
Kurze Mitteilungen

DOI: 10.1007/BF01647213

Cite this article as:
Bezzel, E. & Jetz, W. J Ornithol (1995) 136: 83. doi:10.1007/BF01647213
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Delay of the autumn migratory period in the Blackcap (Sylvia atricapilla) 1966–1993 — a reaction to „global warming“?

Abstract

Mistnet data and wing-lengths of Blackcaps trapped at the northern border of the Alps on their way from northern Europe southward showed a similar but shifted migration pattern in the two periods 1966–78 and 1987–93. The onset of the migration has delayed about one five-day period, the median is six days later. Simultaneously, in northern Europe mean temperatures in autumn have raised. The later onset of migration is interpreted as the prompt microevolutionary reaction to advantages caused by the warming of climate.

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© Verlag der Deutschen Ornithologen-Gesellschaft 1995

Authors and Affiliations

  • Einhard Bezzel
    • 1
  • Walter Jetz
    • 1
  1. 1.Bayer. Landesanstalt für Bodenkultur und Pflanzenbau — Institut für VogelkundeGarmisch-Partenkirchen

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