In order to gain insights into the seasonal dynamics
of genetic variation in insecticide resistance within a natural population of Drosophila melanogaster during
population growth, which we considered the most important ecological factor
there, we conducted a series of genetic analyses of resistance factors involved
in that population and compared individual-based intrinsic rates of natural
increase among resistance genotypes. However, some researchers have argued that
it is a misconception to apply the intrinsic rate of natural increase to
individuals, because it is a population parameter. We consider that their
criticisms were incorrect. In this article, I described our research briefly
and set forth the reasons why we conducted these studies.
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