Title
Temporal Variation in Population Genetic Structure of a Riverine African Cichlid Fish
Author(s)
Crispo, E.;Chapman, L. J.
Published
2010
Publisher
Journal of Heredity
Abstract
Population genetic structure in a riverine cichlid fish was recharacterized 2 years after patterns had been first described. We found that genetic structure changed, as evidenced by changes in F-ST between years among sites, significant F-ST between years "within" sites, and a significant proportion of the genetic variation partitioned between years. Most striking, signatures of isolation by distance were eradicated between years. Our study highlights that point-in-time estimates of population genetic structure might not be valid over longer time periods, particularly in systems exposed to strong seasonal or interannual variation in abiotic conditions.

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PUB13633