Original Articles

NUTRIENT CYCLING IN MARINE ECOSYSTEMS

Published in: Journal of the Limnological Society of Southern Africa
Volume 12 , issue 1-2 , 1986 , pages: 22–42

DOI: 10.1080/03779688.1986.9639397

Author(s): P. Chapman , South Africa

Keywords: Nitrogen , phosphorus , silica , nutrient cycling , oceans , nutrient flux , regeneration , upwelling regions , biotic uptake , abiotic uptake , carbon , sediment-water exchange

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Abstract

The overall cycles of nitrogen, phosphorus and silicon in the sea are described and compared. Data on the fluxes and rates of change between various pools of each nutrient are given, where available, and gaps in knowledge are pointed out. The various methods used to determine such fluxes are reviewed, and differences between coastal and offshore systems are discussed.

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