Table 2: Parameters of the model equation along with their units.

Parameter Description Units

O Oxygen concentration in water column mg
Oss Saturating oxygen concentration mg
Photosynthesis rate constant
Specific growth rate of plant community
Biomass of aquatic plant community
Reaeration constant
Ammonium nitrogen concentration
Nitrification rate constant
Half-saturation constant for oxygen limitation of nitrification
Respiration rate constant for aquatic plant community
Respiration rate constant for aquatic animal community
Biomass of aquatic animal community
Mineralization rate constant for aquatic plant community
Mineralization rate constant for aquatic animal community
Mortality rate constant for aquatic plant community
Mortality rate constant for aquatic animal community
Loss rate oxygen due to other processes