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Individual-based modelling in ecology: what makes the difference?
1Janusz Uchmátiski is at the Institute of Ecology, Polish Academy of Sciences, 05092 ŁLomianki, Poland.
Abstract:
Is individual-based modelling really a new approach in ecology? A large part of the uncertainty surrounding this question is a consequence of imprecisely delimited boundaries between classical and individual-based modelling. Genuine 'individual-based' models describe a population made up of individuals that may differ from one another; they also describe changes in numbers of individuals rather than in the population density, and take resource dynamics explicitly into account. Individual-based models that fulfil these criteria will not characterize ecological systems as 'stable' systems in their ideal form, with equilibrium states represented by points in the phase space.
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