Conditions de développement du phytoplancton. Etude comparative du comportement de huit espèces en culture. II. Rôle des nutriments : assimilation et stockage intracellulaire

A. Dauta

doi:10.1051/limn/1982014

Abstract

Huit algues du phytoplancton d'eau douce ont été étudiées en culture (6 Chlorophycées, 1 Diatomée, 1 Cyanophycée). Les vitesses d'assimilation de l'azote (NNO3), du phosphore (PPO4) et de la silice ont été mesurées en batch par des expériences de perturbation. Les vitesses maximales d'assimilation et les Ks correspondants sont exprimés en fonction de la température. Les réserves intracellulaires (quota maximal et quota minimal) ont été déterminées pour les huit espèces. L'utilisation des paramètres ainsi déterminés permet une bonne prédiction des vitesses d'assimilation.

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Conditions de développement du phytoplancton. Etude comparative du comportement de huit espèces en culture. II. Rôle des nutriments : assimilation et stockage intracellulaire

Abstract

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Conditions de développement du phytoplancton. Etude comparative du comportement de huit espèces en culture. II. Rôle des nutriments : assimilation et stockage intracellulaire

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