La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Monitoring of Common Terns Sterna hirundo at inland waters a new project
Auteurs :	Stefan R. Sudmann, Auteur
Type de document :	Article
Dans :	Vogelwelt (Die) (119(3-5) 1998)
Article en page(s) :	287-291
Résumé :	A new project of monitoring Common Terns in inland colonies is designed. Data relevant to the following questions should be collected: numbers of breeding pairs, nest density and breeding success in all colonies and in some colonies also data on breeding biology such as hatching success, ego loss and mortality of chicks. At a few colonies the distance to the feeding grounds, the feeding rates and the body mass of chicks and adults should be recorded. In this way it will be possible to estimate the effectiveness of rafts as artificial nest sites.

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