Klein Breteler, W.C.M. & M. Koski. (2003). Development and grazing of Temora longicornis (Copepoda, Calanoida) nauplii during nutrient limited Phaeocystis globosa blooms in mesocosms. Hydrobiologia. 491(1-3): 185-192.

97121

10.1023/A:1024411122866 [view]

Klein Breteler, W.C.M. & M. Koski

2003

491(1-3): 185-192.

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The rates of development and food intake of the copepod Temora longicornis (Müller) were studied using artificial blooms of Phaeocystis globosa Scherffel under different conditions of nutrient limitation. Mesocosms with 800 l of natural seawater were manipulated by inoculation with cultured P. globosa and by addition of nitrogen and/or phosphorus, to obtain N- or P-limited blooms of P. globosa. During development and ageing of these blooms, water from the mesocosms was used as medium for incubation of nauplii of T. longicornis. Only moderate rates of naupliar development as well as high rates of mortality were observed, irrespective of major differences of nutrient conditions and density of P. globosa. Grazing by the nauplii on P. globosa seemed to be low, suggesting a low food quality of this alga at all physiological conditions studied. The results of this study indicate a low capability of T. longicornis nauplii for control of nuisance algal blooms caused by P. globosa.

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