I.R. Johnson, B.P. Kinghorn, S.R. Murphy, G.M. Lodge, and S.A. Meszaros (Australia)
Simulation optimisation, evolutionary methods, data modelling
The Sustainable Grazing Systems Pasture Model, developed for the Australian Meat and Livestock industry, is used in conjunction with Differential Evolution (DE) methods for parameter estimation to identify soil physical characteristics. The model is then used to explore the complex interaction between pasture growth, animal intake and soil water dynamics. particular attention is paid to the water component and how this is affected by management. This, in turn, provides insight into the role of management in the sustainability of pasture systems. The use of the DE gives opportunity for optimisation of very complex problems.
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