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Diversity 2013, 5(4), 811-823; doi:10.3390/d5040811
Review

Patterns of Evolutionary Speed: In Search of a Causal Mechanism

1,*  and 2
Received: 25 October 2013; in revised form: 21 November 2013 / Accepted: 25 November 2013 / Published: 2 December 2013
(This article belongs to the Special Issue Genetic Diversity and Molecular Evolution)
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Abstract: The “integrated evolutionary speed hypothesis” proposes that the rate of genetic evolution influences all major biogeographical patterns of diversity including those associated with temperature, water availability, productivity, spatial heterogeneity and area. Consistent with this theory, rates of genetic evolution correspond with patterns of diversity and diversification. Here we review the mechanisms that have been proposed to explain these biogeographic patterns in rates of genetic evolution. Tests of several proposed mechanisms have produced equivocal results, whereas others such as those invoking annual metabolic activity, or a “Red Queen” effect, remain unexplored. However, rates of genetic evolution have been associated with both productivity mediated rates of germ cell division and active metabolic rates and these explanations therefore justify further empirical investigation.
Keywords: evolutionary speed; genetic evolution; latitude; population size; metabolic rate; diversity gradients evolutionary speed; genetic evolution; latitude; population size; metabolic rate; diversity gradients
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Gillman, L.N.; Wright, S.D. Patterns of Evolutionary Speed: In Search of a Causal Mechanism. Diversity 2013, 5, 811-823.

AMA Style

Gillman LN, Wright SD. Patterns of Evolutionary Speed: In Search of a Causal Mechanism. Diversity. 2013; 5(4):811-823.

Chicago/Turabian Style

Gillman, Len N.; Wright, Shane D. 2013. "Patterns of Evolutionary Speed: In Search of a Causal Mechanism." Diversity 5, no. 4: 811-823.


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