Modelling is perceived as a way of dealing with real life activities. The aim of this work is to compare two approaches to\udstudy forest dynamics, namely discrete individual-based and continuous population-based models, in order to contribute to\udan improvement in their use among researchers. An analysis of the strengths, weaknesses, opportunities and threats of the\udtwo different approaches, jointly with a mention of the state-of-the-art, allows us to illustrate this discussion. We will also\udprovide a bridge or connection between these two modelling methodologies. This link will be developed in detail in a\udparticular study case. Firstly, an individual-tree based model to deal with dynamics of forests is presented. Secondly, this\udmodel is scaled up to a system of partial differential equations, which represents the limiting behaviour of the individualbased\udmodel.
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