Phylogeography of the Endangered Franciscana Dolphin: Timing and Geological Setting of the Evolution of Populations
Pontoporia blainvillei (Gervais & d’Orbigny, 1844), the franciscana dolphin, is the most endangered small cetacean in the Western South Atlantic. It is an endemic species with a coastal and estuarine distribution that has been divided into four Franciscana Management Areas (FMAs). We used the mi...
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| Veröffentlicht in: | Journal of mammalian evolution 2022-09, Vol.29 (3), p.609-625 |
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| creator | Nara, Luana Cremer, Marta J. Farro, Ana P. C. Colosio, Adriana Castaldo Barbosa, Lupércio A. Bertozzi, Carolina P. Secchi, Eduardo R. Pagliani, Bruna Costa-Urrutia, Paula Gariboldi, Maria C. Lazoski, Cristiano Cunha, Haydée A. |
| description | Pontoporia blainvillei
(Gervais & d’Orbigny, 1844), the franciscana dolphin, is the most endangered small cetacean in the Western South Atlantic. It is an endemic species with a coastal and estuarine distribution that has been divided into four Franciscana Management Areas (FMAs). We used the mitochondrial DNA control region to conduct a phylogeographic analysis to evaluate the population structure of the franciscana and the influence of paleoceanographic events on its biogeographic history. We found nine populations along the entire distribution (Φ
ST
= 0.41, Φ
CT
= 0.38, p |
| doi_str_mv | 10.1007/s10914-022-09607-7 |
| format | Article |
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(Gervais & d’Orbigny, 1844), the franciscana dolphin, is the most endangered small cetacean in the Western South Atlantic. It is an endemic species with a coastal and estuarine distribution that has been divided into four Franciscana Management Areas (FMAs). We used the mitochondrial DNA control region to conduct a phylogeographic analysis to evaluate the population structure of the franciscana and the influence of paleoceanographic events on its biogeographic history. We found nine populations along the entire distribution (Φ
ST
= 0.41, Φ
CT
= 0.38, p < 10
–5
), with estimated migration rates resulting in less than one female per generation. Populations from FMAIII and FMAIV in the south (including the Río de La Plata Estuary) showed higher long-term migration rates and effective population sizes than northern populations. The phylogeographic analysis supports the franciscana origin in the Río de La Plata Estuary, with further dispersal south and northwards. The first lineage split happened around 2.5 Ma, with lineage radiation throughout the Pleistocene until recent fragmentation events shaped current-day populations. We suggest that Pleistocene glaciations influenced the dispersion and population structure of the franciscana. Specifically, that the shift of the Brazil-Malvinas Confluence drove the dispersion northwards. Then, low sea-level periods caused either the isolation in estuarine refugia or local extinctions, followed by re-colonizations.</description><identifier>ISSN: 1064-7554</identifier><identifier>EISSN: 1573-7055</identifier><identifier>DOI: 10.1007/s10914-022-09607-7</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Animal Genetics and Genomics ; Anthropology ; Biomedical and Life Sciences ; Endangered species ; Estuaries ; Evolutionary Biology ; Geographical distribution ; Human Genetics ; Life Sciences ; Mitochondrial DNA ; Original Paper ; Phylogeography ; Pleistocene ; Pontoporia blainvillei ; Population structure ; Refugia ; Sea level ; Species extinction</subject><ispartof>Journal of mammalian evolution, 2022-09, Vol.29 (3), p.609-625</ispartof><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022</rights><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-e98fd82a2062f6a6affbfb26f10bddc51c8144cce644eba4526ef920fca96ce33</citedby><cites>FETCH-LOGICAL-c319t-e98fd82a2062f6a6affbfb26f10bddc51c8144cce644eba4526ef920fca96ce33</cites><orcidid>0000-0002-8554-0238</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10914-022-09607-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10914-022-09607-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Nara, Luana</creatorcontrib><creatorcontrib>Cremer, Marta J.</creatorcontrib><creatorcontrib>Farro, Ana P. C.</creatorcontrib><creatorcontrib>Colosio, Adriana Castaldo</creatorcontrib><creatorcontrib>Barbosa, Lupércio A.</creatorcontrib><creatorcontrib>Bertozzi, Carolina P.</creatorcontrib><creatorcontrib>Secchi, Eduardo R.</creatorcontrib><creatorcontrib>Pagliani, Bruna</creatorcontrib><creatorcontrib>Costa-Urrutia, Paula</creatorcontrib><creatorcontrib>Gariboldi, Maria C.</creatorcontrib><creatorcontrib>Lazoski, Cristiano</creatorcontrib><creatorcontrib>Cunha, Haydée A.</creatorcontrib><title>Phylogeography of the Endangered Franciscana Dolphin: Timing and Geological Setting of the Evolution of Populations</title><title>Journal of mammalian evolution</title><addtitle>J Mammal Evol</addtitle><description>Pontoporia blainvillei
(Gervais & d’Orbigny, 1844), the franciscana dolphin, is the most endangered small cetacean in the Western South Atlantic. It is an endemic species with a coastal and estuarine distribution that has been divided into four Franciscana Management Areas (FMAs). We used the mitochondrial DNA control region to conduct a phylogeographic analysis to evaluate the population structure of the franciscana and the influence of paleoceanographic events on its biogeographic history. We found nine populations along the entire distribution (Φ
ST
= 0.41, Φ
CT
= 0.38, p < 10
–5
), with estimated migration rates resulting in less than one female per generation. Populations from FMAIII and FMAIV in the south (including the Río de La Plata Estuary) showed higher long-term migration rates and effective population sizes than northern populations. The phylogeographic analysis supports the franciscana origin in the Río de La Plata Estuary, with further dispersal south and northwards. The first lineage split happened around 2.5 Ma, with lineage radiation throughout the Pleistocene until recent fragmentation events shaped current-day populations. We suggest that Pleistocene glaciations influenced the dispersion and population structure of the franciscana. Specifically, that the shift of the Brazil-Malvinas Confluence drove the dispersion northwards. Then, low sea-level periods caused either the isolation in estuarine refugia or local extinctions, followed by re-colonizations.</description><subject>Animal Genetics and Genomics</subject><subject>Anthropology</subject><subject>Biomedical and Life Sciences</subject><subject>Endangered species</subject><subject>Estuaries</subject><subject>Evolutionary Biology</subject><subject>Geographical distribution</subject><subject>Human Genetics</subject><subject>Life Sciences</subject><subject>Mitochondrial DNA</subject><subject>Original Paper</subject><subject>Phylogeography</subject><subject>Pleistocene</subject><subject>Pontoporia blainvillei</subject><subject>Population structure</subject><subject>Refugia</subject><subject>Sea level</subject><subject>Species extinction</subject><issn>1064-7554</issn><issn>1573-7055</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kFFLwzAUhYsoOKd_wKeAz9WbNE1a32S6KQwcOJ9DmiZtR5fUpBX2722d4ptP997DOefCF0XXGG4xAL8LGHJMYyAkhpwBj_lJNMMpT2IOaXo67sBozNOUnkcXIewAIM8YnUVhUx9aV2lXednVB-QM6muNnmwpbaW9LtHSS6uaoKSV6NG1Xd3Ye7Rt9o2tkLQlWmk3FjRKtuhN9_0k_5Z8unboG2cnYeO6oZXTFS6jMyPboK9-5jx6Xz5tF8_x-nX1snhYxyrBeR_rPDNlRiQBRgyTTBpTmIIwg6EoS5VilWFKldKMUl1ImhKmTU7AKJkzpZNkHt0cezvvPgYderFzg7fjS0E4UEwITicXObqUdyF4bUTnm730B4FBTHDFEa4Y4YpvuIKPoeQYCqN5AvVX_U_qCy1mfxU</recordid><startdate>20220901</startdate><enddate>20220901</enddate><creator>Nara, Luana</creator><creator>Cremer, Marta J.</creator><creator>Farro, Ana P. 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C. ; Colosio, Adriana Castaldo ; Barbosa, Lupércio A. ; Bertozzi, Carolina P. ; Secchi, Eduardo R. ; Pagliani, Bruna ; Costa-Urrutia, Paula ; Gariboldi, Maria C. ; Lazoski, Cristiano ; Cunha, Haydée A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-e98fd82a2062f6a6affbfb26f10bddc51c8144cce644eba4526ef920fca96ce33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Animal Genetics and Genomics</topic><topic>Anthropology</topic><topic>Biomedical and Life Sciences</topic><topic>Endangered species</topic><topic>Estuaries</topic><topic>Evolutionary Biology</topic><topic>Geographical distribution</topic><topic>Human Genetics</topic><topic>Life Sciences</topic><topic>Mitochondrial DNA</topic><topic>Original Paper</topic><topic>Phylogeography</topic><topic>Pleistocene</topic><topic>Pontoporia blainvillei</topic><topic>Population structure</topic><topic>Refugia</topic><topic>Sea level</topic><topic>Species extinction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nara, Luana</creatorcontrib><creatorcontrib>Cremer, Marta J.</creatorcontrib><creatorcontrib>Farro, Ana P. C.</creatorcontrib><creatorcontrib>Colosio, Adriana Castaldo</creatorcontrib><creatorcontrib>Barbosa, Lupércio A.</creatorcontrib><creatorcontrib>Bertozzi, Carolina P.</creatorcontrib><creatorcontrib>Secchi, Eduardo R.</creatorcontrib><creatorcontrib>Pagliani, Bruna</creatorcontrib><creatorcontrib>Costa-Urrutia, Paula</creatorcontrib><creatorcontrib>Gariboldi, Maria C.</creatorcontrib><creatorcontrib>Lazoski, Cristiano</creatorcontrib><creatorcontrib>Cunha, Haydée A.</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Biological Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Journal of mammalian evolution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nara, Luana</au><au>Cremer, Marta J.</au><au>Farro, Ana P. C.</au><au>Colosio, Adriana Castaldo</au><au>Barbosa, Lupércio A.</au><au>Bertozzi, Carolina P.</au><au>Secchi, Eduardo R.</au><au>Pagliani, Bruna</au><au>Costa-Urrutia, Paula</au><au>Gariboldi, Maria C.</au><au>Lazoski, Cristiano</au><au>Cunha, Haydée A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phylogeography of the Endangered Franciscana Dolphin: Timing and Geological Setting of the Evolution of Populations</atitle><jtitle>Journal of mammalian evolution</jtitle><stitle>J Mammal Evol</stitle><date>2022-09-01</date><risdate>2022</risdate><volume>29</volume><issue>3</issue><spage>609</spage><epage>625</epage><pages>609-625</pages><issn>1064-7554</issn><eissn>1573-7055</eissn><abstract>Pontoporia blainvillei
(Gervais & d’Orbigny, 1844), the franciscana dolphin, is the most endangered small cetacean in the Western South Atlantic. It is an endemic species with a coastal and estuarine distribution that has been divided into four Franciscana Management Areas (FMAs). We used the mitochondrial DNA control region to conduct a phylogeographic analysis to evaluate the population structure of the franciscana and the influence of paleoceanographic events on its biogeographic history. We found nine populations along the entire distribution (Φ
ST
= 0.41, Φ
CT
= 0.38, p < 10
–5
), with estimated migration rates resulting in less than one female per generation. Populations from FMAIII and FMAIV in the south (including the Río de La Plata Estuary) showed higher long-term migration rates and effective population sizes than northern populations. The phylogeographic analysis supports the franciscana origin in the Río de La Plata Estuary, with further dispersal south and northwards. The first lineage split happened around 2.5 Ma, with lineage radiation throughout the Pleistocene until recent fragmentation events shaped current-day populations. We suggest that Pleistocene glaciations influenced the dispersion and population structure of the franciscana. Specifically, that the shift of the Brazil-Malvinas Confluence drove the dispersion northwards. Then, low sea-level periods caused either the isolation in estuarine refugia or local extinctions, followed by re-colonizations.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10914-022-09607-7</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0002-8554-0238</orcidid></addata></record> |
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| subjects | Animal Genetics and Genomics Anthropology Biomedical and Life Sciences Endangered species Estuaries Evolutionary Biology Geographical distribution Human Genetics Life Sciences Mitochondrial DNA Original Paper Phylogeography Pleistocene Pontoporia blainvillei Population structure Refugia Sea level Species extinction |
| title | Phylogeography of the Endangered Franciscana Dolphin: Timing and Geological Setting of the Evolution of Populations |
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