105 lines
12 KiB
XML
105 lines
12 KiB
XML
<document ID-DOI="http://doi.org/10.5281/zenodo.5779569" ID-GBIF-Dataset="723c8018-f87a-440a-bed1-3d2fe2a46e42" ID-GBIF-Taxon="191772236" ID-ISBN="978-3-906484-76-1" ID-Zenodo-Dep="5779569" approvalRequired="10" approvalRequired_for_treatments="10" checkinTime="1639140111949" checkinUser="donat" docAuthor="Alexander, Timothy & Seehausen, Ole" docDate="2021" docId="039187D59B5BBB22FFE6715776D58FE0" docLanguage="en" docName="ProjectLacSynthesisReport.2021.1-281.pdf.imf" docOrigin="Eawag: Swiss Federal Institute of Aquatic Science and Technology" docSource="https://www.dora.lib4ri.ch/eawag/islandora/object/eawag:24051" docTitle="Rutilus pigus" docType="treatment" docVersion="7" lastPageNumber="120" masterDocId="FFA8FFAD9B2EBB57FF94744D755A8830" masterDocTitle="Diversity, distribution and community composition of fish in perialpine lakes – “ Projet Lac ” synthesis report" pageId="117" pageNumber="120" updateTime="1640622120980" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Diversity, distribution and community composition of fish in perialpine lakes – “ Projet Lac ” synthesis report</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Alexander, Timothy</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Seehausen, Ole</mods:namePart>
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<mods:affiliation>Eawag: Das Wasserforschungsinstitut des ETH-Bereichs Überlandstrasse 133, CH- 8600 Dübendorf</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:originInfo>
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<mods:dateIssued>2021</mods:dateIssued>
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<mods:dateOther type="pubDate">2021-11-12</mods:dateOther>
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<mods:publisher>Eawag: Swiss Federal Institute of Aquatic Science and Technology</mods:publisher>
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</mods:originInfo>
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<mods:location>
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<mods:url>https://www.dora.lib4ri.ch/eawag/islandora/object/eawag:24051</mods:url>
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</mods:location>
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<mods:classification>book</mods:classification>
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<mods:identifier type="DOI">http://doi.org/10.5281/zenodo.5779569</mods:identifier>
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<mods:identifier type="GBIF-Dataset">723c8018-f87a-440a-bed1-3d2fe2a46e42</mods:identifier>
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<mods:identifier type="ISBN">978-3-906484-76-1</mods:identifier>
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<mods:identifier type="Zenodo-Dep">5779569</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="191772236" LSID="urn:lsid:plazi:treatment:039187D59B5BBB22FFE6715776D58FE0" httpUri="http://treatment.plazi.org/id/039187D59B5BBB22FFE6715776D58FE0" lastPageNumber="120" pageId="117" pageNumber="120">
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<paragraph blockId="117.[112,1225,1306,1648]" box="[114,313,1306,1328]" pageId="117" pageNumber="120">
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<subSubSection box="[114,309,1306,1328]" pageId="117" pageNumber="120" type="nomenclature">
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Pigo (
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[171,302,1306,1328]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">Rutilus pigus</taxonomicName>
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)
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</subSubSection>
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<subSubSection pageId="117" pageNumber="120" type="discussion">
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,
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<paragraph blockId="117.[112,1225,1306,1648]" pageId="117" pageNumber="120">
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the other
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<taxonomicName box="[416,568,1306,1328]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="undetermined">Rutilus species</taxonomicName>
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native to the southern lakes, was recorded in fewer lakes than R. aula (Como, Mezzola, and Maggiore), and was everywhere less abundant than R. aula.
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[972,1053,1338,1360]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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was recorded in highest numbers in lakes Como and Mezzola where
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<taxonomicName box="[631,719,1370,1392]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="rutilus">R. rutilus</taxonomicName>
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had not become abundant (yet). In Lake Maggiore, only
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<specimenCount box="[159,269,1402,1424]" pageId="117" pageNumber="120" type="juvenile">six juvenile</specimenCount>
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fish phenotypically resembling
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[585,666,1402,1424]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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were recorded.Three of these were confirmed as
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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by genetic barcoding, while two had the mitochondrial barcode of
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<taxonomicName box="[814,903,1434,1456]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="rutilus">R. rutilus</taxonomicName>
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and one had that of R. aula (
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<figureCitation captionStart="Figure 34" captionStartId="118.[460,516,1278,1295]" captionTargetBox="[458,1566,200,1226]" captionTargetId="figure-8@118.[456,1570,197,1230]" captionTargetPageId="118" captionText="Figure 34a: Rutilus species of the perialpine region. Rutilus aula (triotto) and Rutilus pigus (pigo) are native south of the Alps. Rutilus rutilus (roach) is native to the northern perialpine region and is introduced in many southern perialpine lakes, and invasive in several." figureDoi="http://doi.org/10.5281/zenodo.5779641" httpUri="https://zenodo.org/record/5779641/files/figure.png" pageId="117" pageNumber="120">Figure 34</figureCitation>
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). In Lake Lugano, no fish phenotypically matched
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[689,772,1466,1488]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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, however
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<specimenCount box="[879,972,1466,1488]" pageId="117" pageNumber="120" type="adult">one adult</specimenCount>
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fish that was phenotypically mostly
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<taxonomicName box="[237,326,1498,1520]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="rutilus">R. rutilus</taxonomicName>
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had the mitochondrial barcode and also the lateral line scale count of
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[1022,1103,1498,1520]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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(
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<figureCitation box="[1116,1212,1498,1520]" captionStart="Figure 34" captionStartId="118.[460,516,1278,1295]" captionTargetBox="[458,1566,200,1226]" captionTargetId="figure-8@118.[456,1570,197,1230]" captionTargetPageId="118" captionText="Figure 34a: Rutilus species of the perialpine region. Rutilus aula (triotto) and Rutilus pigus (pigo) are native south of the Alps. Rutilus rutilus (roach) is native to the northern perialpine region and is introduced in many southern perialpine lakes, and invasive in several." figureDoi="http://doi.org/10.5281/zenodo.5779641" httpUri="https://zenodo.org/record/5779641/files/figure.png" pageId="117" pageNumber="120">Figure 34</figureCitation>
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). Several other fish also had meristic traits of
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[551,632,1530,1552]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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(>43/44 lateral line scales), yet otherwise resembled
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<taxonomicName class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="rutilus">R. rutilus</taxonomicName>
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. The mismatch between general appearance, meristic traits and mitochondrial barcode again indicates hybridisation and backcrossing between
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[504,586,1594,1616]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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and
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<taxonomicName box="[636,726,1594,1616]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="rutilus">R. rutilus</taxonomicName>
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, and in Lake Maggiore also between the two native species R. aula and
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[355,437,1626,1648]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</paragraph>
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<subSubSection pageId="117" pageNumber="120" type="discussion">
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<paragraph blockId="117.[112,1225,1690,1904]" pageId="117" pageNumber="120">
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To our knowledge, this is the first genetic data that show that the dramatic decline of native
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<taxonomicName baseAuthorityName="Lacepede" baseAuthorityYear="1803" box="[1021,1102,1690,1712]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="pigus">R. pigus</taxonomicName>
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and R. aula in Lakes Lugano and Maggiore was associated with introgression into the abundant invasive northern
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<taxonomicName box="[1128,1216,1722,1744]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="rutilus">R. rutilus</taxonomicName>
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(as predicted in
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<superScript attach="right" box="[277,303,1752,1767]" fontSize="6" pageId="117" pageNumber="120">[92]</superScript>
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), but also with introgression between the two native species. It is possibly that the breakdown of reproductive isolation between the native species was mediated by the hyperabundant invasive species. Such complex species interactions deserve further attention by researchers. Another important line of research for the conservation of the native southern
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<taxonomicName box="[608,761,1850,1872]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="undetermined">Rutilus species</taxonomicName>
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would address the reasons for the dominance of the invasive
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<taxonomicName authority="rutilus" box="[263,400,1882,1904]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="rutilus">Rutilus rutilus</taxonomicName>
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in Lakes Lugano, Maggiore and Varese, but not in Lakes Como and Mezzola.
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</paragraph>
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<paragraph blockId="117.[112,1220,1946,2000]" pageId="117" pageNumber="120">
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There was no evidence for translocation of either of the southern
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<taxonomicName box="[783,937,1946,1968]" class="Actinopterygii" family="Cyprinidae" genus="Rutilus" kingdom="Animalia" order="Cypriniformes" pageId="117" pageNumber="120" phylum="Chordata" rank="species" species="undetermined">Rutilus species</taxonomicName>
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to the lakes in the Rhine or Rhone catchments (several thousand phenotypes inspected, 70 fish barcoded).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |