ARTICLE
TITLE

Using agent-based modelling algorithms to analyze the impacts of toxic contaminations on Lake Ontario ecosystem

SUMMARY

Recent advances in computer technology have brought a revolution in ecological modelling. Ecoinformatics and computational ecology make use of various programs, including agent-based modeling algorithms, to study ecological systems. In this study, an in-silico analysis was performed using an agent based modelling software, to analyze the impacts of a potential toxin on Lake Ontario ecosystem. For easier duplication of the real world into the virtual system, the ecosystem was divided into 6 compartments. These compartments include phytoplankton, zooplankton, macroinvertebrates, forage fish, piscivores, and sea lamprey. The test model was performed under five different concentrations of toxin. Each test was repeated 15 times to reduce demographic stochasticity. The results suggest that toxic contaminations, such as mercury, could potentially lead to population reduction in forage fish, piscivores and sea lamprey compartments.Les progre`s récents reliés a` la technologie informatique ont amené une révolution dans la modélisation écologique. L’éco-informatique et l’écologie computationnelle utilisent plusieurs programmes, y compris des algorithmes basés sur les syste`mes multiagents pour étudier les syste`mes écologiques. Dans cette étude, une analyse insilico a été accomplie en utilisant les syste`mes multiagents pour analyser les impacts d’une toxine potentielle dans l’écosyste`me du Lac Ontario. Afin de mieux améliorer la représentation du monde réel dans le syste`me virtuel, l’écosyste`me du Lac d’Ontario a été divisé en six compartiments. Ces compartiments comprennent le phytoplancton, le zooplancton, les macroinvertébrés, les poissons fourragers, les piscivores et la lamproie marine. Ce mode`le a été examiné sous cinq concentrations des toxines différentes. Chaque examen a été répété 15 fois pour réduire la stochasticité démographique. Les résultats sugge`rent que des contaminations toxiques, comme la contamination par le mercure, pourraient potentiellement arriver a` une réduction de la population des poissons fourragers, des piscivores et des compartiments de la lamproie marine.

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