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Genetic mating system and mate selection in smallmouth bass
Mating systems are an important factor influencing the variance in reproductive success among individuals within natural populations and thus have important ecological and evolutionary implications. We used molecular pedigree reconstruction techniques with microsatellite DNA data to characterize the...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5677493/ https://www.ncbi.nlm.nih.gov/pubmed/29152183 http://dx.doi.org/10.1002/ece3.3423 |
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author | Franckowiak, Ryan P. Ridgway, Mark S. Wilson, Chris C. |
author_facet | Franckowiak, Ryan P. Ridgway, Mark S. Wilson, Chris C. |
author_sort | Franckowiak, Ryan P. |
collection | PubMed |
description | Mating systems are an important factor influencing the variance in reproductive success among individuals within natural populations and thus have important ecological and evolutionary implications. We used molecular pedigree reconstruction techniques with microsatellite DNA data to characterize the genetic mating system and mate selection in adult smallmouth bass spawning in Lake Opeongo. The genetic mating system of smallmouth bass in this system can be characterized as predominantly monogamous with a low rate of polygynandry particularly among larger individuals. Iteroparous individuals showed a complete absence of interannual mate fidelity, presumably due to the low annual return rate of spawning adults. Within a season, individuals from both sexes pursued additional mating opportunities with males showing greater variance in mate number than females. Female mate selection appeared to be largely random with little evidence for elevated levels of inbreeding in this population. Multiple mating females pursued additional males to whom they were less related than the first male with which they spawned within a given season, however, this pattern varied among years. The mating pattern observed in this population would likely limit the strength of sexual selection and thus could account for the lack of sexual dimorphism and the absence of alternative reproductive tactics in this species. |
format | Online Article Text |
id | pubmed-5677493 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | John Wiley and Sons Inc. |
record_format | MEDLINE/PubMed |
spelling | pubmed-56774932017-11-17 Genetic mating system and mate selection in smallmouth bass Franckowiak, Ryan P. Ridgway, Mark S. Wilson, Chris C. Ecol Evol Original Research Mating systems are an important factor influencing the variance in reproductive success among individuals within natural populations and thus have important ecological and evolutionary implications. We used molecular pedigree reconstruction techniques with microsatellite DNA data to characterize the genetic mating system and mate selection in adult smallmouth bass spawning in Lake Opeongo. The genetic mating system of smallmouth bass in this system can be characterized as predominantly monogamous with a low rate of polygynandry particularly among larger individuals. Iteroparous individuals showed a complete absence of interannual mate fidelity, presumably due to the low annual return rate of spawning adults. Within a season, individuals from both sexes pursued additional mating opportunities with males showing greater variance in mate number than females. Female mate selection appeared to be largely random with little evidence for elevated levels of inbreeding in this population. Multiple mating females pursued additional males to whom they were less related than the first male with which they spawned within a given season, however, this pattern varied among years. The mating pattern observed in this population would likely limit the strength of sexual selection and thus could account for the lack of sexual dimorphism and the absence of alternative reproductive tactics in this species. John Wiley and Sons Inc. 2017-09-20 /pmc/articles/PMC5677493/ /pubmed/29152183 http://dx.doi.org/10.1002/ece3.3423 Text en © 2017 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Research Franckowiak, Ryan P. Ridgway, Mark S. Wilson, Chris C. Genetic mating system and mate selection in smallmouth bass |
title | Genetic mating system and mate selection in smallmouth bass |
title_full | Genetic mating system and mate selection in smallmouth bass |
title_fullStr | Genetic mating system and mate selection in smallmouth bass |
title_full_unstemmed | Genetic mating system and mate selection in smallmouth bass |
title_short | Genetic mating system and mate selection in smallmouth bass |
title_sort | genetic mating system and mate selection in smallmouth bass |
topic | Original Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5677493/ https://www.ncbi.nlm.nih.gov/pubmed/29152183 http://dx.doi.org/10.1002/ece3.3423 |
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