A novel model to quantify ages of organisms and predict development time distribution of their growth stages

Fuji Jian

Ecological Modelling, 2021, vol. 440, issue C

Abstract: A basic model structure was suggested to correlate the biological age of an organism with its aging, development, and multiplication. This simple model had the similar basic assumptions as the degree-day model, but was more theoretical comprehensive and approachable. The proposed methodological and mathematical framework was based on the same shape concept of various distributions of an organism. A new term, Physi-Biological time, was introduced to calculate the Physi-Biological age which was the product of the chronological time, maximum lifespan, and development rate of the organism at the given environmental condition. The Physi-Biological time was used to normalize the distribution of an organism development under different environmental conditions, so the development of the organism at one environmental condition with the maximum lifespan could be mapped to the development of the same organism at other environmental conditions. The ageing, mortality, oviposition of adults of Cryptolestes ferrugineus were used as an example to demonstrate the modeling method. The prediction was consistent with the measured data published by different researchers.

Keywords: Biological age; Physiological age; Various development distributions; The same shape concept; Cryptolestes ferrugineus; Physi-biological model (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:440:y:2021:i:c:s0304380020304555

DOI: 10.1016/j.ecolmodel.2020.109391

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