A mathematical model of an estuarine seagrass

A discrete simulation model for the dynamics of a submerged macrophyte, Zostera capensis Setchell, is presented. The model describes the vegetative spread of Zostera sp. which occurs through runners. The model can be used to analyse the response of Zostera sp. to various freshwater-related scenarios. The model shows how reduced freshwater inflow and associated stable salinities have contributed to the increased Zostera sp. population. The effect of floods and dry conditions are simulated. The dynamics of Zostera sp. was investigated for various mouth breaching scenarios.