Individual-Based Models

Grimm, Volker

doi:10.1016/b978-008045405-4.00188-9

Cited by 16 publications

(23 citation statements)

References 14 publications

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“…The first book on this subject summarizing almost twenty years of development of individual-based approach in ecology was published by Grimm andRailsback in 2005 (Grimm &Railsback 2005). There is entry "individualbased models" in Encyclopedia of Ecology (Grimm 2008). Many individual-based models have been constructed during this twenty years.…”

Section: Discussionmentioning

confidence: 99%

“…The next conference was organized in Mikołajki Hydrobiological Station in Poland in 1996 (Uchmański et al 1999). The first book on this subject summarizing almost twenty years of development of individual-based approach in ecology was published by Grimm andRailsback in 2005 (Grimm &Railsback 2005). There is entry "individualbased models" in Encyclopedia of Ecology (Grimm 2008).…”

Section: Discussionmentioning

confidence: 99%

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Evolution of theoretical ecology in last decades: why did individual-based modelling emerge

Uchmański

Kowalczyk

Ogrodowczyk

2008

Ecological Questions

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Abstract. Mathematical models of classical theoretical ecology are state variable models. They use density of population as a state variable. Because such models posses equilibrium states and they are stable around them, classical theoretical ecology has been dominated by considerations about stability of ecological systems. Three factors observed in ecology in last decades had great influence on the gradual decline of the classical theoretical ecology: first one is development of evolutionary ecology and the stress it laid on individuals, the second one nonequlibrium way of thinking about dynamics of ecological systems and the third one various methodological doubts about application of difference and differential equations in ecology. Individual-based modeling has emerged as the result of this discussions. However, individual-based approach to modeling the dynamics of ecological systems has natural tendency to describe particular systems and to produce their detailed models. Much should be done in the future to solve general problems formulated by classical theoretical ecology using method of individual-based approach.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Evolution of theoretical ecology in last decades: why did individual-based modelling emerge

Uchmański

Kowalczyk

Ogrodowczyk

2008

Ecological Questions

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“…The distinction is, however, of little importance today, and Grimm [14] suggests not distinguishing IBMs and ABMs any longer and using both terms interchangeably. Originally the term IBM was used to emphasize the discreteness of individuals, heterogeneity among individuals, and local interactions, rather than adaptive decision making and behavior, which have been the main drivers in the development of ABMs [12,15].…”

Section: What Is An Abm?mentioning

confidence: 99%

The Potential for the Use of Agent-Based Models in Ecotoxicology

Topping

Dalkvist

Forbes

et al. 2009

Ecotoxicology Modeling

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This chapter introduces ABMs, their construction, and the pros and cons of their use. Although relatively new, agent-based models (ABMs) have great potential for use in ecotoxicological research -their primary advantage being the realistic simulations that can be constructed and particularly their explicit handling of space and time in simulations. Examples are provided of their use in ecotoxicology primarily exemplified by different implementations of the ALMaSS system. These examples presented demonstrate how multiple stressors, landscape structure, details regarding toxicology, animal behavior, and socioeconomic effects can and should be taken into account when constructing simulations for risk assessment. Like ecological systems, in ABMs the behavior at the system level is not simply the mean of the component responses, but the sum of the often nonlinear interactions between components in the system; hence this modeling approach opens the door to implementing and testing much more realistic and holistic ecotoxicological models than are currently used.

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“…Grimm et al (2006) realized that we needed a way to communicate ABMs in a common format, because there was also no common, structured format for describing ABMs. But we found that once people develop experience using ODD to describe models, they start formulating new ABMs in the ODD format (Grimm 2008 [Grimm and Railsback, 2005] are likely to be iterative.) In so doing, it is necessary to think about what input data are needed and how to initialize the simulations.…”

Section: Odd Separates Units Of Object-oriented Implementationsmentioning

confidence: 99%

The ODD protocol: A review and first update

Grimm

Berger

Jiang

et al. 2010

Ecological Modelling

2,088

1,284

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The 'ODD' (Overview, Design concepts, and Details) protocol was published in 2006 to standardize the published descriptions of individual-based and agent-based models (ABMs). The primary objectives of ODD are to make model descriptions more understandable and complete, thereby making ABMs less subject to criticism for being irreproducible. We have systematically evaluated existing uses of the ODD protocol and identified, as expected, parts of ODD needing improvement and clarification. Accordingly, we revise the definition of ODD to clarify aspects of the original version and thereby facilitate future standardization of ABM descriptions. We discuss frequently raised critiques in ODD but also two emerging, and unanticipated, benefits: ODD improves the rigorous formulation of models and helps make the theoretical foundations of large models more visible. Although the protocol was designed for ABMs, it can help with documenting any large, complex model, alleviating some general objections against such models.

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Individual-Based Models

Cited by 16 publications

References 14 publications

Evolution of theoretical ecology in last decades: why did individual-based modelling emerge

Evolution of theoretical ecology in last decades: why did individual-based modelling emerge

The Potential for the Use of Agent-Based Models in Ecotoxicology

The ODD protocol: A review and first update

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