Contemporary and historical evolutionary processes interact to shape patterns of within‐lake phenotypic divergences in polyphenic pumpkinseed sunfish, Lepomis gibbosus
Historical and contemporary evolutionary processes can both contribute to patterns of phenotypic variation among populations of a species. Recent studies are revealing how interactions between historical and contemporary processes better explain observed patterns of phenotypic divergence than either...
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description | Historical and contemporary evolutionary processes can both contribute to patterns of phenotypic variation among populations of a species. Recent studies are revealing how interactions between historical and contemporary processes better explain observed patterns of phenotypic divergence than either process alone. Here, we investigate the roles of evolutionary history and adaptation to current environmental conditions in structuring phenotypic variation among polyphenic populations of sunfish inhabiting 12 postglacial lakes in eastern North America. The pumpkinseed sunfish polyphenism includes sympatric ecomorphs specialized for littoral or pelagic lake habitats. First, we use population genetic methods to test the evolutionary independence of within‐lake phenotypic divergences of ecomorphs and to describe patterns of genetic structure among lake populations that clustered into three geographical groupings. We then used multivariate analysis of covariance (MANCOVA) to partition body shape variation (quantified with geometric morphometrics) among the effects of evolutionary history (reflecting phenotypic variation among genetic clusters), the shared phenotypic response of all populations to alternate habitats within lakes (reflecting adaptation to contemporary conditions), and unique phenotypic responses to habitats within lakes nested within genetic clusters. All effects had a significant influence on body form, but the effects of history and the interaction between history and contemporary habitat were larger than contemporary processes in structuring phenotypic variation. This highlights how divergence can be better understood against a known backdrop of evolutionary history.
Historical and contemporary evolutionary processes can both contribute to patterns of phenotypic variation among populations of a species. Here we combine population genetic and phenotypic analyses to understand how interactions between recent evolutionary history (colonization of postglacial lakes) and selection imposed by contemporary ecological conditions influence the adaptive divergence of pumpkinseed sunfish within polyphenic lake populations. |
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Historical and contemporary evolutionary processes can both contribute to patterns of phenotypic variation among populations of a species. Here we combine population genetic and phenotypic analyses to understand how interactions between recent evolutionary history (colonization of postglacial lakes) and selection imposed by contemporary ecological conditions influence the adaptive divergence of pumpkinseed sunfish within polyphenic lake populations.</description><identifier>ISSN: 2045-7758</identifier><identifier>EISSN: 2045-7758</identifier><identifier>DOI: 10.1002/ece3.72</identifier><identifier>PMID: 22822436</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Adaptation ; Animal reproduction ; Aquatic habitats ; Centrarchid sunfish ; Centrarchidae ; Clusters ; Divergence ; divergent natural selection ; ecomorphology ; Environmental conditions ; Evolution ; Evolutionary genetics ; Fish ; Fishing ; Genetic diversity ; Genetic structure ; geometric morphometrics ; glacial refugia ; Habitats ; Lakes ; Lepomis gibbosus ; Littoral environments ; Mitochondrial DNA ; Morphology ; Multivariate analysis ; Original Research ; Phenotypic variations ; Phylogenetics ; Phylogeography ; Polymorphism ; Population genetics ; Populations ; postglacial lakes ; resource polymorphism ; Sympatric populations ; trophic morphology ; Trophic polymorphism</subject><ispartof>Ecology and evolution, 2012-03, Vol.2 (3), p.574-592</ispartof><rights>2011 The Authors. published by Blackwell Publishing Ltd.</rights><rights>2012. This work is published under http://creativecommons.org/licenses/by-nc/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2012 The Author. Published by Blackwell Publishing Ltd. 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5322-d66dabf2b051b355e75d3c0b71fc8a0c042557b67ca3b74a6f9edf0364ebc1f53</citedby><cites>FETCH-LOGICAL-c5322-d66dabf2b051b355e75d3c0b71fc8a0c042557b67ca3b74a6f9edf0364ebc1f53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3399146/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3399146/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,1411,11542,27903,27904,45553,45554,46031,46455,53770,53772</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22822436$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Weese, Dylan J.</creatorcontrib><creatorcontrib>Ferguson, Moira M.</creatorcontrib><creatorcontrib>Robinson, Beren W.</creatorcontrib><title>Contemporary and historical evolutionary processes interact to shape patterns of within‐lake phenotypic divergences in polyphenic pumpkinseed sunfish, Lepomis gibbosus</title><title>Ecology and evolution</title><addtitle>Ecol Evol</addtitle><description>Historical and contemporary evolutionary processes can both contribute to patterns of phenotypic variation among populations of a species. Recent studies are revealing how interactions between historical and contemporary processes better explain observed patterns of phenotypic divergence than either process alone. Here, we investigate the roles of evolutionary history and adaptation to current environmental conditions in structuring phenotypic variation among polyphenic populations of sunfish inhabiting 12 postglacial lakes in eastern North America. The pumpkinseed sunfish polyphenism includes sympatric ecomorphs specialized for littoral or pelagic lake habitats. First, we use population genetic methods to test the evolutionary independence of within‐lake phenotypic divergences of ecomorphs and to describe patterns of genetic structure among lake populations that clustered into three geographical groupings. We then used multivariate analysis of covariance (MANCOVA) to partition body shape variation (quantified with geometric morphometrics) among the effects of evolutionary history (reflecting phenotypic variation among genetic clusters), the shared phenotypic response of all populations to alternate habitats within lakes (reflecting adaptation to contemporary conditions), and unique phenotypic responses to habitats within lakes nested within genetic clusters. All effects had a significant influence on body form, but the effects of history and the interaction between history and contemporary habitat were larger than contemporary processes in structuring phenotypic variation. This highlights how divergence can be better understood against a known backdrop of evolutionary history.
Historical and contemporary evolutionary processes can both contribute to patterns of phenotypic variation among populations of a species. Here we combine population genetic and phenotypic analyses to understand how interactions between recent evolutionary history (colonization of postglacial lakes) and selection imposed by contemporary ecological conditions influence the adaptive divergence of pumpkinseed sunfish within polyphenic lake populations.</description><subject>Adaptation</subject><subject>Animal reproduction</subject><subject>Aquatic habitats</subject><subject>Centrarchid sunfish</subject><subject>Centrarchidae</subject><subject>Clusters</subject><subject>Divergence</subject><subject>divergent natural selection</subject><subject>ecomorphology</subject><subject>Environmental conditions</subject><subject>Evolution</subject><subject>Evolutionary genetics</subject><subject>Fish</subject><subject>Fishing</subject><subject>Genetic diversity</subject><subject>Genetic structure</subject><subject>geometric morphometrics</subject><subject>glacial refugia</subject><subject>Habitats</subject><subject>Lakes</subject><subject>Lepomis gibbosus</subject><subject>Littoral environments</subject><subject>Mitochondrial DNA</subject><subject>Morphology</subject><subject>Multivariate analysis</subject><subject>Original Research</subject><subject>Phenotypic variations</subject><subject>Phylogenetics</subject><subject>Phylogeography</subject><subject>Polymorphism</subject><subject>Population genetics</subject><subject>Populations</subject><subject>postglacial lakes</subject><subject>resource polymorphism</subject><subject>Sympatric populations</subject><subject>trophic morphology</subject><subject>Trophic polymorphism</subject><issn>2045-7758</issn><issn>2045-7758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkt9qFDEUxgdRbKnFN5CAFwp1a_5Mkt2bgizrH1jwRq9DJnNmJ-1MEpPMlr3zEXyNvpZPYrZbSxXE3CTk--U7OYevqp4TfE4wpm_BADuX9FF1THHNZ1Ly-eMH56PqNKVLXJbAtMbyaXVE6ZzSmonj6mbpXYYx-KjjDmnXot6m7KM1ekCw9cOUrXd7LURvICVIyJYXUZuMskep1wFQ0LlcuYR8h65t7q37-f3HoK-K0oPzeResQa3dQtyAM7cWKPhht1eLEqYxXFmXAFqUJtfZ1L9Bawh-tAltbNP4NKVn1ZNODwlO7_aT6uv71Zflx9n684dPy3frmeGM0lkrRKubjjaYk4ZxDpK3zOBGks7MNTa4ppzLRkijWSNrLboFtB1moobGkI6zk-ri4BumZoTWgMtRDypEO5YxKK-t-lNxtlcbv1WMLRakFsXg9Z1B9N8mSFmVNgwMg3bgp6SIJJQLIVj9fxRTKaRcSFLQl3-hl36KrkxCMSwkpYTf1n51oEz0KUXo7v9NsNqHRe3DoiQt5IuHbd5zv6NRgLMDcG0H2P3LR62WK1bsfgG7Ks6e</recordid><startdate>201203</startdate><enddate>201203</enddate><creator>Weese, Dylan J.</creator><creator>Ferguson, Moira M.</creator><creator>Robinson, Beren W.</creator><general>Blackwell Publishing Ltd</general><general>John Wiley & Sons, Inc</general><scope>24P</scope><scope>WIN</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7X2</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope><scope>7U6</scope><scope>5PM</scope></search><sort><creationdate>201203</creationdate><title>Contemporary and historical evolutionary processes interact to shape patterns of within‐lake phenotypic divergences in polyphenic pumpkinseed sunfish, Lepomis gibbosus</title><author>Weese, Dylan J. ; 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Recent studies are revealing how interactions between historical and contemporary processes better explain observed patterns of phenotypic divergence than either process alone. Here, we investigate the roles of evolutionary history and adaptation to current environmental conditions in structuring phenotypic variation among polyphenic populations of sunfish inhabiting 12 postglacial lakes in eastern North America. The pumpkinseed sunfish polyphenism includes sympatric ecomorphs specialized for littoral or pelagic lake habitats. First, we use population genetic methods to test the evolutionary independence of within‐lake phenotypic divergences of ecomorphs and to describe patterns of genetic structure among lake populations that clustered into three geographical groupings. We then used multivariate analysis of covariance (MANCOVA) to partition body shape variation (quantified with geometric morphometrics) among the effects of evolutionary history (reflecting phenotypic variation among genetic clusters), the shared phenotypic response of all populations to alternate habitats within lakes (reflecting adaptation to contemporary conditions), and unique phenotypic responses to habitats within lakes nested within genetic clusters. All effects had a significant influence on body form, but the effects of history and the interaction between history and contemporary habitat were larger than contemporary processes in structuring phenotypic variation. This highlights how divergence can be better understood against a known backdrop of evolutionary history.
Historical and contemporary evolutionary processes can both contribute to patterns of phenotypic variation among populations of a species. Here we combine population genetic and phenotypic analyses to understand how interactions between recent evolutionary history (colonization of postglacial lakes) and selection imposed by contemporary ecological conditions influence the adaptive divergence of pumpkinseed sunfish within polyphenic lake populations.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>22822436</pmid><doi>10.1002/ece3.72</doi><tpages>19</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adaptation Animal reproduction Aquatic habitats Centrarchid sunfish Centrarchidae Clusters Divergence divergent natural selection ecomorphology Environmental conditions Evolution Evolutionary genetics Fish Fishing Genetic diversity Genetic structure geometric morphometrics glacial refugia Habitats Lakes Lepomis gibbosus Littoral environments Mitochondrial DNA Morphology Multivariate analysis Original Research Phenotypic variations Phylogenetics Phylogeography Polymorphism Population genetics Populations postglacial lakes resource polymorphism Sympatric populations trophic morphology Trophic polymorphism |
title | Contemporary and historical evolutionary processes interact to shape patterns of within‐lake phenotypic divergences in polyphenic pumpkinseed sunfish, Lepomis gibbosus |
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