CATASTROPHIC SENESCENCE OF THE PACIFIC SALMON WITHOUT MUTATION-ACCUMULATION

Hildegard Meyer-Ortmanns ()
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Hildegard Meyer-Ortmanns: Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 16, D-69120 Heidelberg, Germany

International Journal of Modern Physics C (IJMPC), 2001, vol. 12, issue 03, 319-323

Abstract: We derive catastrophic senescence of the Pacific salmon from an aging model which was recently proposed by Stauffer. The model is based on the postulates of a minimum reproduction age and a maximal genetic lifespan. It allows for self-organization of a typical age of first reproduction and a typical age of death. Our Monte Carlo simulations of the population dynamics show that the model leads to catastrophic senescence for semelparous reproduction as it occurs in the case of salmon, to a more gradually increase of senescence for iteroparous reproduction.

Keywords: Population Dynamics; Aging; Stauffer Model; Monte Carlo (search for similar items in EconPapers)
Date: 2001
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DOI: 10.1142/S0129183101001742

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