The Timing of Breeding and Clutch Size of Blue Tits (Parus Caeruleus) in Two Montane Habitats in Algeria

  • Aïssa Moali
  • Paul Isenmann
Conference paper
Part of the NATO ASI Series book series (volume 24)

Abstract

Northern Africa constitutes the southern breeding limit of the Blue Tit (Parus caeruleus), where a particularly small subspecies ultramarinus (Vaurie 1959, Martin 1988) occurs in various forest habitats (Heim de Balsac and Mayaud 1962). At the edge of their breeding limits species often show reduced fecundity, usually interpreted as the result of harsher environmental constraints (Slagsvold 1981, Järvinen 1986). To check this hypothesis, we collected data in Algeria on the Blue Tit for which other studies in the Mediterranean area have already shown a marked variation in breeding performances and a reduced fecundity (Blondel et al. 1987, Isenmann 1987).

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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Aïssa Moali
    • 1
  • Paul Isenmann
    • 2
  1. 1.Institut de BiologieUniversité de Tizi-OuzouTizi-OuzouAlgeria
  2. 2.Centre d’Ecologie Fonctionnelle et Evolutive (CNRS)Montpellier-cédexFrance

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