マイクロコズムの数学モデル (第1報):

DOI Web Site 被引用文献3件 参考文献15件

書誌事項

タイトル別名
  • A Mathematical Modeling for Microcosms (Part 1):
  • マイクロコズムの数学モデル(第1報)コロニーの形成過程
  • マイクロコズム ノ スウガク モデル ダイ1ポウ コロニー ノ ケイセイ カテイ
  • <b>コロニーの形成過程</b>
  • <b>Process of Colony Formation</b>

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抄録

Ecosystems in nature are closed systems except an incidence of light and radiations of heat. Microcosm treated here is a minimal ecosystem containing three classes of organisms; chlorella as a producer, bacteria as a decomposer, and rotifer as a consumer. Especially, it is known that ecological structures, i.e. colonies, are generated at their mature stage. It is thought that the formation of colony is important for effective material circulation and stability of the system. Therefore, the formation of colonies in a simulation model is critically important. Then, we have proposed Individual-Based-Model which is based on Cellular Automaton method. It gives local rules of food chain and interaction between organisms including predator-prey relationship, production, suppression, and self-suppression. It enables an emergence of the overall system only by these local rules, and it was possible to reproduce colony generation. Also, a time transition of population of each microorganism corresponded to the experimental results very well. In this study, it was shown that the Individual-Based-Model was very effective to reveal the nature of the ecosystem.

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