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File:Three-dimentional differentiation space for speciation.svg

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English: A three-dimensional space representing speciation (open circle indicates origin population, solid circle represents complete reproductive isolation). Three axes represent factors involved in the speciation process: spatial (geographic differentiation or isolation), mate-choice differentiation, and ecological differentiation). The history of speciation event is indicated by the varying paths that are taken. A fourth dimension is time, indicating a temporal factor contributing to speciation (allochrony). In allochrony, the left box indicates synchrony (e.g. breeding times) while the right box indicates asynchrony (e.g. daily, seasonal, or yearly breeding times).[1][2][3] The explanations for the lines are as follows:
  • A is an example without allochrony. Speciation results from a combination of geographic and mate-choice isolation.
  • B starts with geographic separation, mate choice furthers isolation, completed by allochrony.
  • C begins with differentiation in mate-choice followed by allochrony resulting in isolation.
  • D A combination of mating and ecological factors accompany allochrony to reach isolation.
Date
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Author Andrew Z. Colvin

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  1. ↑ Rebecca S. Taylor and Vicki L. Friesen (2017), “The role of allochrony in speciation”, in Molecular Ecology[1], volume 26, issue 13, DOI:10.1111/mec.14126, PMID 28370658, pages 3330–3342
  2. ↑ Dieckmann U., Doebeli M., Metz JAJ, & Tautz D. (2004) Adaptive Speciation[2], Cambridge, UK: Cambridge University Press, ISBN 9781107404182
  3. ↑ Andrew P Hendry and Troy Day (2005), “Population structure attributable to reproductive time: isolation by time and adaptation by time”, in Molecular Ecology, volume 14, issue 4, DOI:10.1111/j.1365-294X.2005.02480.x, PMID 15773924, pages 901–916

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