The aim of this paper is to give a detailed overview on the predictive-model building/coding techniques for simulating the progress and effects of eutrophication based on differently detailed model structures. First; historical development of predictive eutrophication modelling is reviewed. Then, a generic transport model that can be coupled with any eutrophication kinetics is described. In the following sections, ecological sub models based on eutrophication kinetics and food-web are described along with the bottom-up approach based linkage of nutrient kinetics, primary production and transfer of food to higher trophic levels are demonstrated together with an example case study based on previous studies. Finally, the paper is supported by two comprehensive appendices, one that guides the interested readers how to develop a simple eutrophication modelling tool from starch and another to that summarizes an example hydrodynamic model development for forcing the flow fields in the transport model described in this paper.


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