Asynchronous diversification of snakes in the North American warm deserts
Aim: We quantify the degree to which co-distributed snakes across the Cochise Filter Barrier (CFB) have a shared history of population divergence and estimate the timing of divergence for each taxon pair. Location: North America. Methods: A single locus dataset was collected (n = 747 individuals) fo...
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Veröffentlicht in: | Journal of biogeography 2017-02, Vol.44 (2), p.461-474 |
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description | Aim: We quantify the degree to which co-distributed snakes across the Cochise Filter Barrier (CFB) have a shared history of population divergence and estimate the timing of divergence for each taxon pair. Location: North America. Methods: A single locus dataset was collected (n = 747 individuals) for 12 snake taxon pairs. Phylogeographical structure was estimated for each taxon. Redundancy analyses were used to assess the importance of geographical distance, climate and putative barriers to gene flow in structuring genetic diversity. Hierarchical approximate Bayesian computation was used to estimate the magnitude of synchronicity in divergence times across a well-documented phylogeographical barrier. Lastly, gene divergence and population divergence times were estimated using multiple methods. Results: There is substantial phylogeographical structure in many of the snake taxa, particularly at the CFB. A model containing distance, climate and barriers explained the greatest amount of genetic variation in nearly all taxa. When each variable was examined separately, climate explained the most variation. The hABC model testing indicates that there is overwhelming support for asynchronous phylogeographical histories within these co-distributed taxa. Estimated divergence times range throughout the Quaternary and Neogene. Main Conclusions: We demonstrate that the 12 snake taxon pairs studied here have diversified within the desert Southwest forming distinct Sonoran and Chihuahuan populations, illustrating the importance of this region in driving diversification in North American taxa. Although these groups exhibit the same pattern of lineage formation, there is strong support for asynchronous diversification and little concordance in divergence time estimates. |
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Location: North America. Methods: A single locus dataset was collected (n = 747 individuals) for 12 snake taxon pairs. Phylogeographical structure was estimated for each taxon. Redundancy analyses were used to assess the importance of geographical distance, climate and putative barriers to gene flow in structuring genetic diversity. Hierarchical approximate Bayesian computation was used to estimate the magnitude of synchronicity in divergence times across a well-documented phylogeographical barrier. Lastly, gene divergence and population divergence times were estimated using multiple methods. Results: There is substantial phylogeographical structure in many of the snake taxa, particularly at the CFB. A model containing distance, climate and barriers explained the greatest amount of genetic variation in nearly all taxa. When each variable was examined separately, climate explained the most variation. The hABC model testing indicates that there is overwhelming support for asynchronous phylogeographical histories within these co-distributed taxa. Estimated divergence times range throughout the Quaternary and Neogene. Main Conclusions: We demonstrate that the 12 snake taxon pairs studied here have diversified within the desert Southwest forming distinct Sonoran and Chihuahuan populations, illustrating the importance of this region in driving diversification in North American taxa. Although these groups exhibit the same pattern of lineage formation, there is strong support for asynchronous diversification and little concordance in divergence time estimates.</description><identifier>ISSN: 0305-0270</identifier><identifier>EISSN: 1365-2699</identifier><identifier>DOI: 10.1111/jbi.12873</identifier><identifier>CODEN: JBIODN</identifier><language>eng</language><publisher>Oxford: John Wiley & Sons Ltd</publisher><subject>Barriers ; Bayesian analysis ; biogeography ; Climate ; Comparative phylogeography ; Deserts ; Divergence ; divergence time estimation ; Diversification ; Gene flow ; Genetic diversity ; geographical barrier ; lineage formation ; Model testing ; Neogene ; Pleistocene speciation ; Quaternary ; Redundancy ; redundancy analysis ; reptiles ; Snakes ; vertebrates</subject><ispartof>Journal of biogeography, 2017-02, Vol.44 (2), p.461-474</ispartof><rights>Copyright © 2017 John Wiley & Sons Ltd.</rights><rights>2016 John Wiley & Sons Ltd</rights><rights>Copyright © 2017 John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3473-14df4b3238b05fcfb196ac34e2088c8f7b7e191f98f0741fdc38893a9e8ab2593</citedby><cites>FETCH-LOGICAL-c3473-14df4b3238b05fcfb196ac34e2088c8f7b7e191f98f0741fdc38893a9e8ab2593</cites><orcidid>0000-0001-5369-6329</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/44202794$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/44202794$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,1411,27901,27902,45550,45551,57992,58225</link.rule.ids></links><search><creatorcontrib>Myers, Edward A.</creatorcontrib><creatorcontrib>Hickerson, Michael J.</creatorcontrib><creatorcontrib>Burbrink, Frank T.</creatorcontrib><title>Asynchronous diversification of snakes in the North American warm deserts</title><title>Journal of biogeography</title><description>Aim: We quantify the degree to which co-distributed snakes across the Cochise Filter Barrier (CFB) have a shared history of population divergence and estimate the timing of divergence for each taxon pair. Location: North America. Methods: A single locus dataset was collected (n = 747 individuals) for 12 snake taxon pairs. Phylogeographical structure was estimated for each taxon. Redundancy analyses were used to assess the importance of geographical distance, climate and putative barriers to gene flow in structuring genetic diversity. Hierarchical approximate Bayesian computation was used to estimate the magnitude of synchronicity in divergence times across a well-documented phylogeographical barrier. Lastly, gene divergence and population divergence times were estimated using multiple methods. Results: There is substantial phylogeographical structure in many of the snake taxa, particularly at the CFB. A model containing distance, climate and barriers explained the greatest amount of genetic variation in nearly all taxa. When each variable was examined separately, climate explained the most variation. The hABC model testing indicates that there is overwhelming support for asynchronous phylogeographical histories within these co-distributed taxa. Estimated divergence times range throughout the Quaternary and Neogene. Main Conclusions: We demonstrate that the 12 snake taxon pairs studied here have diversified within the desert Southwest forming distinct Sonoran and Chihuahuan populations, illustrating the importance of this region in driving diversification in North American taxa. Although these groups exhibit the same pattern of lineage formation, there is strong support for asynchronous diversification and little concordance in divergence time estimates.</description><subject>Barriers</subject><subject>Bayesian analysis</subject><subject>biogeography</subject><subject>Climate</subject><subject>Comparative phylogeography</subject><subject>Deserts</subject><subject>Divergence</subject><subject>divergence time estimation</subject><subject>Diversification</subject><subject>Gene flow</subject><subject>Genetic diversity</subject><subject>geographical barrier</subject><subject>lineage formation</subject><subject>Model testing</subject><subject>Neogene</subject><subject>Pleistocene speciation</subject><subject>Quaternary</subject><subject>Redundancy</subject><subject>redundancy analysis</subject><subject>reptiles</subject><subject>Snakes</subject><subject>vertebrates</subject><issn>0305-0270</issn><issn>1365-2699</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kT1PwzAQhi0EEqUw8AOQLDExpD1_JLHHUvFRVMECs-UkturSxsVOqfrvMQTYwMsNft473XMInRMYkfTGy8qNCBUlO0ADwoo8o4WUh2gADPIMaAnH6CTGJQDInPEBmk3ivq0Xwbd-G3Hj3k2Izrpad8632FscW_1qInYt7hYGP_rQLfBkbUJCWrzTYY0bE03o4ik6snoVzdl3HaKX25vn6X02f7qbTSfzrGa8ZBnhjeUVo0xUkNvaVkQWOn0ZCkLUwpZVaYgkVgoLJSe2qZkQkmlphK5oLtkQXfZ9N8G_bU3s1NJvQ5tGKgoFB5kWK_6jiCiSIZAFS9RVT9XBxxiMVZvg1jrsFQH16VMln-rLZ2LHPbtzK7P_G1QP17OfxEWfWMbOh98E5zQdQnL2AUJ4fz0</recordid><startdate>20170201</startdate><enddate>20170201</enddate><creator>Myers, Edward A.</creator><creator>Hickerson, Michael J.</creator><creator>Burbrink, Frank T.</creator><general>John Wiley & Sons Ltd</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><orcidid>https://orcid.org/0000-0001-5369-6329</orcidid></search><sort><creationdate>20170201</creationdate><title>Asynchronous diversification of snakes in the North American warm deserts</title><author>Myers, Edward A. ; Hickerson, Michael J. ; Burbrink, Frank T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3473-14df4b3238b05fcfb196ac34e2088c8f7b7e191f98f0741fdc38893a9e8ab2593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Barriers</topic><topic>Bayesian analysis</topic><topic>biogeography</topic><topic>Climate</topic><topic>Comparative phylogeography</topic><topic>Deserts</topic><topic>Divergence</topic><topic>divergence time estimation</topic><topic>Diversification</topic><topic>Gene flow</topic><topic>Genetic diversity</topic><topic>geographical barrier</topic><topic>lineage formation</topic><topic>Model testing</topic><topic>Neogene</topic><topic>Pleistocene speciation</topic><topic>Quaternary</topic><topic>Redundancy</topic><topic>redundancy analysis</topic><topic>reptiles</topic><topic>Snakes</topic><topic>vertebrates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Myers, Edward A.</creatorcontrib><creatorcontrib>Hickerson, Michael J.</creatorcontrib><creatorcontrib>Burbrink, Frank T.</creatorcontrib><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Journal of biogeography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Myers, Edward A.</au><au>Hickerson, Michael J.</au><au>Burbrink, Frank T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Asynchronous diversification of snakes in the North American warm deserts</atitle><jtitle>Journal of biogeography</jtitle><date>2017-02-01</date><risdate>2017</risdate><volume>44</volume><issue>2</issue><spage>461</spage><epage>474</epage><pages>461-474</pages><issn>0305-0270</issn><eissn>1365-2699</eissn><coden>JBIODN</coden><abstract>Aim: We quantify the degree to which co-distributed snakes across the Cochise Filter Barrier (CFB) have a shared history of population divergence and estimate the timing of divergence for each taxon pair. Location: North America. Methods: A single locus dataset was collected (n = 747 individuals) for 12 snake taxon pairs. Phylogeographical structure was estimated for each taxon. Redundancy analyses were used to assess the importance of geographical distance, climate and putative barriers to gene flow in structuring genetic diversity. Hierarchical approximate Bayesian computation was used to estimate the magnitude of synchronicity in divergence times across a well-documented phylogeographical barrier. Lastly, gene divergence and population divergence times were estimated using multiple methods. Results: There is substantial phylogeographical structure in many of the snake taxa, particularly at the CFB. A model containing distance, climate and barriers explained the greatest amount of genetic variation in nearly all taxa. When each variable was examined separately, climate explained the most variation. The hABC model testing indicates that there is overwhelming support for asynchronous phylogeographical histories within these co-distributed taxa. Estimated divergence times range throughout the Quaternary and Neogene. Main Conclusions: We demonstrate that the 12 snake taxon pairs studied here have diversified within the desert Southwest forming distinct Sonoran and Chihuahuan populations, illustrating the importance of this region in driving diversification in North American taxa. Although these groups exhibit the same pattern of lineage formation, there is strong support for asynchronous diversification and little concordance in divergence time estimates.</abstract><cop>Oxford</cop><pub>John Wiley & Sons Ltd</pub><doi>10.1111/jbi.12873</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0001-5369-6329</orcidid></addata></record> |
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subjects | Barriers Bayesian analysis biogeography Climate Comparative phylogeography Deserts Divergence divergence time estimation Diversification Gene flow Genetic diversity geographical barrier lineage formation Model testing Neogene Pleistocene speciation Quaternary Redundancy redundancy analysis reptiles Snakes vertebrates |
title | Asynchronous diversification of snakes in the North American warm deserts |
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