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The Use of Optimization Techniques to Model Marine Ecosystem Dynamics at the JGOFS Station at 47 degrees N 20 degrees W [and Discussion]
M. J. R. Fasham, G. T. Evans, D. A. Kiefer, M. Creasey and H. Leach
Philosophical Transactions: Biological Sciences
Vol. 348, No. 1324, The Role of the North Atlantic in the Global Carbon Cycle (May 30, 1995), pp. 203-209
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/56039
Page Count: 7
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A seven-compartment model of the mixed layer ecosystem was used to fit a time series of observations derived from data obtained during the 1989 JGOFS North Atlantic Bloom Experiment. A nonlinear optimization technique was used to obtain the best fit to the combined observation set. It was discovered that a solution which gave a good fit to primary production gave a bad fit to zooplankton and vice versa. The solution which fitted primary production also showed good agreement with a number of other independent data sets, but overestimated bacterial production. Further development is necessary to create a model capable of reproducing all the important features of the nitrogen flows within the mixed layer.
Philosophical Transactions: Biological Sciences © 1995 Royal Society