La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Seasonal distribution and morphological changes of Ceratium hirundinella in two mediterranean shallow lakes
Auteurs :	M. Gligora, Auteur ; A. Plenkovic-Moraj, Auteur ; I. Ternjej, Auteur
Type de document :	Article
Dans :	Hydrobiologia (506(1-3) NOV 15 2003)
Article en page(s) :	213-220
Résumé :	Seasonal distribution and morphological changes in two forms of Ceratium hirundinella in the shallow karstic Mediterranean lakes, Ponikve and Njivice, during 1997/98 and 2000/01, were studied. C. hirundinella f. gracile was present during the whole investigation period in Lake Njivice. The same species was the dominant form in Ponikve Lake during 1997/98, while in 2000/01 a strong development of C. hirundinella f. austriacum occurred. The species C. hirundinella f. austriacum was restricted to spring-summer time. This population showed larger variations in number of horns. An analysis of morphometric measurements showed significant differences (p

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