Use of individual-based models for population parameters estimation
Gianni Gilioli and
Sara Pasquali
Ecological Modelling, 2007, vol. 200, issue 1, 109-118
Abstract:
A method for parameters estimation of stage-specific mortality and fecundity rate functions in poikilotherm organisms, and in particular for arthropod structured population, is proposed. The application of this method requires three types of information: stage-frequency data of a sampled population, development rate function and time evolution of forcing variables affecting the rate functions. By means of an individual-based model (a microscopic model) the number of eggs produced by the adults is generated starting from the number of individuals collected at each sampling time. Using a compartmental model (a macroscopic model) a stage-structured population dynamics is described and compared with observations. Non-linear regression methods based on least square principle are used to estimate the optimal parameters of the mortality and fecundity rate functions combining microscopic and macroscopic models. As a case study, the parameter estimation of the temperature-dependent mortality function of olives fruit fly Bactrocera oleae is presented.
Keywords: Parameter estimation; Arthropod populations; Individual-based models; Compartmental models; Olives fruit fly (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (4)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:200:y:2007:i:1:p:109-118
DOI: 10.1016/j.ecolmodel.2006.07.017
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