Per aspera ad astra: Through complex population modeling to predictive theory

Christopher J. Topping, Hugo Fjelsted Alrøe, Katharine N. Farrell, Volker Grimm

    Resultado de la investigación: Contribución a una revistaComentario/Debaterevisión exhaustiva

    14 Citas (Scopus)


    Population models in ecology are often not good at predictions, even if they are complex and seem to be realistic enough. The reason for this might be that Occam’s razor, which is key for minimal models exploring ideas and concepts, has been too uncritically adopted for more realistic models of systems. This can tie models too closely to certain situations, thereby preventing them from predicting the response to new conditions. We therefore advocate a new kind of parsimony to improve the application of Occam’s razor. This new parsimony balances two contrasting strategies for avoiding errors in modeling: avoiding inclusion of nonessential factors (false inclusions) and avoiding exclusion of sometimes-important factors (false exclusions). It involves a synthesis of traditional modeling and analysis, used to describe the essentials of mechanistic relationships, with elements that are included in a model because they have been reported to be or can arguably be assumed to be important under certain conditions. The resulting models should be able to reflect how the internal organization of populations change and thereby generate representations of the novel behavior necessary for complex predictions, including regime shifts.

    Idioma originalInglés estadounidense
    Páginas (desde-hasta)669-674
    Número de páginas6
    PublicaciónAmerican Naturalist
    EstadoPublicada - sept. 29 2015

    Áreas temáticas de ASJC Scopus

    • Ecología, evolución, comportamiento y sistemática


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