Результаты поиска по 'population catastrophes':
Найдено статей: 1
  1. Kalmykov L.V., Kalmykov V.L.
    Investigation of individual-based mechanisms of single-species population dynamics by logical deterministic cellular automata
    Computer Research and Modeling, 2015, v. 7, no. 6, pp. 1279-1293

    Investigation of logical deterministic cellular automata models of population dynamics allows to reveal detailed individual-based mechanisms. The search for such mechanisms is important in connection with ecological problems caused by overexploitation of natural resources, environmental pollution and climate change. Classical models of population dynamics have the phenomenological nature, as they are “black boxes”. Phenomenological models fundamentally complicate research of detailed mechanisms of ecosystem functioning. We have investigated the role of fecundity and duration of resources regeneration in mechanisms of population growth using four models of ecosystem with one species. These models are logical deterministic cellular automata and are based on physical axiomatics of excitable medium with regeneration. We have modeled catastrophic death of population arising from increasing of resources regeneration duration. It has been shown that greater fecundity accelerates population extinction. The investigated mechanisms are important for understanding mechanisms of sustainability of ecosystems and biodiversity conservation. Prospects of the presented modeling approach as a method of transparent multilevel modeling of complex systems are discussed.

    Keywords: population dynamics, cellular automata, complex systems, population catastrophes, autowaves.
    Views (last year): 16. Citations: 3 (RSCI).

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