La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Changes in bacterial and ciliate densities with trophic status in Mediterranean shallow lakes
Auteurs :	Ana Conty, Auteur ; Francisco Garcia-Criado, Auteur ; Eloy Becares, Auteur
Type de document :	Article
Dans :	Hydrobiologia (584 JUN 2007)
Article en page(s) :	327-335
Résumé :	Ciliate and bacterial densities and their link with eutrophication were studied in fourteen shallow lakes in northwest Spain. Total phosphorus ( TP) in these lakes varied between 30 mu g l(-1) and 925 mu g l(-1) and chlorophyll a concentration (chla) between 0.5 mu g l(-1) and 107 mu g l(-1). Bacterial abundance ranged from 1 x 10(6) to 14 x 10(6) cells ml(-1), while ciliate abundance ranged from 0.6 cells ml(-1) to 229 cells ml(-1). Lakes were classified into three trophic types from their

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