Journal Article10.1086/282160
Animal Population Regulation by the Genetic Feed-Back Mechanism
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TL;DR: The actions and reactions of interacting populations in the food chain cycling in the genetic feed-back mechanism result in the evolution and regulation of animal populations.
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Abstract: That a genetic feed-back mechanism functions to regulate populations of herbivores, parasites, and predators is supported by evidence from the biomathematics of population dynamics and studies of natural populations. The mechanism functions as a feed-back system through the dynamics of density pressure, selective pressure, and genetic changes in interacting populations. In a herbivore-plant system, animal density influences selective pressure on plants; this selection influences genetic make-up of plant; and in turn, the genetic make-up of plant influences animal density. The actions and reactions of interacting populations in the food chain cycling in the genetic feed-back mechanism result in the evolution and regulation of animal populations.
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