The temperature on bioindicator population dynamics logistic cause-effect model
DOI:
https://doi.org/10.6008/CBPC2318-2881.2023.001.0004Keywords:
Population dynamics, threshold of development, air resistanceAbstract
The innate capacity to increase in number is defined as the maximum rate (mr) of increase obtained by a population of fixed age distribution, in any combination of the physical factors of time, under optimal conditions of space, feeding, and intra-specific influence, excluding inter-specific influence. In this work, the hypothesis is that there is a thermal threshold, this is the base temperature (Tb) for the development of Atherigona Orientalis, and the increase and/or decrease of the population is a function of its survival, fertility, sex ratio, and fecundity, with thresholds influenced by isotherms. These equations determined the number of generations per year of the bioindicator Atherigona Orientalis for isotherms from 21 C to 27 C. Through the number of individuals of the last compartment (females in pre-oviposition), obtained through the simulations, as a function of time, for each isotherm, it was possible to estimate the number of annual generations conditioned to a system without gains or losses. Depending on the temperature, Atherigona Orientalis can present from 4,19 to 8,23 and 4,74 to 8,55 generations per year when obtained through the development equations and simulations, respectively, and the higher the temperature higher the number of generations.
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