Three patterns of nutrient flux in a coral reef community

Dissolved nutrient flux between a coral reef community and the overlying water displayed 3 different patterns: Type 1: Fluxes displayed no diel rhythm but were correlated with ambient dissolved nutrient concentrations. Type 2: Fluxes were not concentration-dependent and exhibited a diel rhythm, net...

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Bibliographic Details
Published in:Marine ecology. Progress series (Halstenbek) 1983-01, Vol.12 (2), p.131-136
Main Authors: Johannes, R. E., Wiebe, W. J., Crossland, C. J.
Format: Article
Language:English
Subjects:
Aquatic communities
Coral reefs
Corals
Lagoons
Marine
Nitrates
Nitrogen
Nutrient solutions
Nutrient uptake
Nutrients
RESEARCH PAPERS
Sea water
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Summary:Dissolved nutrient flux between a coral reef community and the overlying water displayed 3 different patterns: Type 1: Fluxes displayed no diel rhythm but were correlated with ambient dissolved nutrient concentrations. Type 2: Fluxes were not concentration-dependent and exhibited a diel rhythm, net uptake being highest for several hours around mid-day. Type 3: Fluxes displayed neither a measurable diel rhythm nor a correlation with dissolved nutrient concentrations. Our observations suggest that, as dissolved nutrient concentrations increase relative to community nutrient demand, nutrient uptake patterns will shift from Type 1 to Type 2 and subsequently to Type 3 in aquatic communities.
ISSN:0171-8630
1616-1599
DOI:10.3354/meps012131