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Determinism, chaos, self-organization and entropy Anais da ABC (AABC)
PONTES,JOSÉ.
ABSTRACT We discuss two changes of paradigms that occurred in science along the XXth century: the end of the mechanist determinism, and the end of the apparent incompatibility between biology, where emergence of order is law, and physics, postulating a progressive loss of order in natural systems. We recognize today that three mechanisms play a major role in the building of order: the nonlinear nature of most evolution laws, along with distance to equilibrium, and with the new paradigm, that emerged in the last forty years, as we recognize that networks present collective order properties not found in the individual nodes. We also address the result presented by Blumenfeld (L.A. Blumenfeld, Problems of Biological Physics, Springer, Berlin, 1981) showing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chaos; Dynamical systems; Entropy; Evolution of Science; Pattern formation; Theoretical biology.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000301151
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Pattern formation in models of plankton dynamics. A synthesis ArchiMer
Malchow, H; Petrovskii, S; Medvinsky, A.
The history of modelling plankton dynamics is already quite long and has been initiated by fishery science in the early 20th century. The main aim of modelling population dynamics is to improve the understanding of the functioning of food chains and webs and their dependence on internal and external conditions. Hence, mathematical models of biological population dynamics have not only to account for growth and interactions but also for spatial processes like random or directed and joint or relative motion of species as well as the variability of the environment. Early attempts began with physicochemical diffusion, exponential growth and Lotka-Volterra type interactions. These approaches have been continuously refined to more realistic descriptions of the...
Tipo: Text Palavras-chave: Modélisation; Schémas de formation; Agrégation du plancton; Auto-organisation; Modelling; Pattern formation; Plankton patchiness; Self-organization.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00322/43344/42882.pdf
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