Phys. Rev. Lett. 88, 228101 (2002) [4 pages]Relationship between Measures of Fitness and Time Scale in EvolutionReceived 18 January 2002; published 15 May 2002 The notion of fitness is central in evolutionary biology. We use a simple spatially extended predator-prey or host-pathogen model to show a generic case where the average number of offspring of an individual as a measure of fitness fails to characterize the evolutionary dynamics. Mutants with high initial reproduction ratios have lineages that eventually go extinct due to local overexploitation. We propose general quantitative measures of fitness that reflect the importance of time scale in evolutionary processes. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.228101
DOI:
10.1103/PhysRevLett.88.228101
PACS:
87.23.Kg, 87.23.Cc, 89.75.Fb
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