PICOPLANKTON AND MARINE FOOD-CHAIN DYNAMICS IN A VARIABLE MIXED-LAYER- A REACTION-DIFFUSION MODEL

In the original paper (Ecol. Model, 57: 193-219, 1991) a seven-compone nt plankton-nutrient model was proposed so as to enable simulations of plankton growth and nutrient uptake in a coastal upwelling area. Sinc e publication two coding errors have been discovered, affecting all re sults; these errors had the effect of reducing nitrogen uptake rates s ubstantially. However on correcting the errors we discovered that the uptake rates calculated with the original coefficients are excessive. In this note the coefficients are revised and a simulation with the re vised coefficients is compared with the original. The mathematical str ucture of the model is unchanged.