230 lines
32 KiB
XML
230 lines
32 KiB
XML
<document id="D420CE2431D7F32850C5452082742248" ID-DOI="10.11646/phytotaxa.148.1.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="5100395" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1626237351907" checkinUser="felipe" docAuthor="Rioual, Patrick, Gao, Qiang, Peng, Yumei & Chu, Guoqiang" docDate="2013" docId="284587CB826BFF8A6CD2F8AA9F46FDC4" docLanguage="en" docName="Phytotaxa.148.1.47-56.pdf" docOrigin="Phytotaxa 148 (1)" docSource="https://www.mendeley.com/catalogue/aaf3c6ca-1cf5-39ea-9964-34811f96919a/" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Stauroneis lacusvulcani Rioual & Gao & Peng & Chu 2013, sp. nov." docType="treatment" docVersion="3" lastPageNumber="52" masterDocId="D47CFFB38269FF8F6C45FF9B9C5AFF9F" masterDocTitle="Stauroneis lacusvulcani sp. nov. (Bacillariophyceae), a new diatom from volcanic lakes in northeastern China" masterLastPageNumber="56" masterPageNumber="47" pageNumber="49" updateTime="1699006084242" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="DE6F5743240933071DE887BA0F4C7C4A">Stauroneis lacusvulcani sp. nov. (Bacillariophyceae), a new diatom from volcanic lakes in northeastern China</mods:title>
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<mods:name id="18D0A34471F327CB834790F12D955781" type="personal">
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<mods:namePart id="C0929F7D67AA799309E00E209E34D7BD">Rioual, Patrick</mods:namePart>
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<mods:affiliation id="F0914D07795C91D6AC1EA298B88742E5">Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, # 19 Beitucheng Xilu, P. O. box 9825, Beijing 100029, China * E-mail: prioual @ mail. igcas. ac. cn (Corresponding author).</mods:affiliation>
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<mods:namePart id="186F2946484BA56BD648F47B3FA411C3">Gao, Qiang</mods:namePart>
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<mods:affiliation id="F296F4F92071302BA98BE41CCB55F275">Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, # 19 Beitucheng Xilu, P. O. box 9825, Beijing 100029, China * E-mail: prioual @ mail. igcas. ac. cn (Corresponding author).</mods:affiliation>
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<mods:namePart id="3450122248EE0BE7D3EF15F75B61DE33">Peng, Yumei</mods:namePart>
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<mods:affiliation id="8C33103BFB4A3E0F2DA5E675FFA57270">State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China</mods:affiliation>
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<mods:namePart id="FA5748CBC886590F3CB4D8B5CD7EF1C1">Chu, Guoqiang</mods:namePart>
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<mods:affiliation id="6C1C6286A04D9EBF22ECE4FE88FB7448">Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, # 19 Beitucheng Xilu, P. O. box 9825, Beijing 100029, China * E-mail: prioual @ mail. igcas. ac. cn (Corresponding author).</mods:affiliation>
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<mods:title id="4A003BEF9940CA41896E8D6758B1A9DA">Phytotaxa</mods:title>
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<mods:date id="BB1B1A4088089766DB18234A96C753AC">2013</mods:date>
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<treatment id="284587CB826BFF8A6CD2F8AA9F46FDC4" LSID="urn:lsid:plazi:treatment:284587CB826BFF8A6CD2F8AA9F46FDC4" httpUri="http://treatment.plazi.org/id/284587CB826BFF8A6CD2F8AA9F46FDC4" lastPageId="5" lastPageNumber="52" pageId="2" pageNumber="49">
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<subSubSection id="E8F66556826BFF8D6CD2F8AA9EA9F8D3" box="[151,755,1841,1868]" pageId="2" pageNumber="49" type="nomenclature">
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<paragraph id="A05336DD826BFF8D6CD2F8AA9EA9F8D3" blockId="2.[151,755,1841,1868]" box="[151,755,1841,1868]" pageId="2" pageNumber="49">
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<heading id="FB1B81B1826BFF8D6CD2F8AA9EA9F8D3" box="[151,755,1841,1868]" fontSize="11" level="2" pageId="2" pageNumber="49" reason="3">
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<taxonomicName id="67EC4D5E826BFF8D6CD2F8AA9E52F8D3" authority="Rioual" authorityName="Rioual & Gao & Peng & Chu" authorityYear="2013" box="[151,520,1841,1868]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="49" phylum="Bacillariophyta" rank="species" species="lacusvulcani" status="sp. nov.">
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<emphasis id="9298EACF826BFF8D6CD2F8AA9DEEF8D4" bold="true" box="[151,436,1841,1867]" italics="true" pageId="2" pageNumber="49">Stauroneis lacusvulcani</emphasis>
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Rioual
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</taxonomicName>
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<emphasis id="9298EACF826BFF8D6E4BF8A99E3DF8D3" box="[526,615,1842,1868]" italics="true" pageId="2" pageNumber="49">
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<taxonomicNameLabel id="89AB57B4826BFF8D6E4BF8A99E3DF8D3" box="[526,615,1842,1868]" pageId="2" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="38D72A58826BFF8D6E33F8A99EB1F8D3" box="[630,747,1842,1868]" captionStart-0="FIGURES 2–15" captionStart-1="FIGURES 16–21" captionStartId-0="3.[151,259,1885,1907]" captionStartId-1="4.[151,258,1940,1962]" captionTargetBox-0="[329,1257,197,1853]" captionTargetBox-1="[233,1354,603,1923]" captionTargetId-0="figure-60@3.[329,1257,197,1865]" captionTargetId-1="figure-245@4.[233,1354,603,1926]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionText-0="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." captionText-1="FIGURES 16–21. SEM of Stauroneis lacusvulcani from Sifangshan. 16. Exterior view of whole valve. 17. Close-up of valve centre. 18. Close-up of distal end. 19. Interior view of whole valve. 20. Interior view of centre showing ridge bearing raphe fissure. 21. Interior view of distal end showing helictoglossa." figureDoi-0="http://doi.org/10.5281/zenodo.5100399" figureDoi-1="http://doi.org/10.5281/zenodo.5100401" httpUri-0="https://zenodo.org/record/5100399/files/figure.png" httpUri-1="https://zenodo.org/record/5100401/files/figure.png" pageId="2" pageNumber="49">Figs 2–21</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="E8F66556826BFF8B6CD2F8E49F3DFDAB" lastPageId="4" lastPageNumber="51" pageId="2" pageNumber="49" type="materials_examined">
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<paragraph id="A05336DD826BFF8D6CD2F8E49923F849" blockId="2.[151,1437,1919,2006]" pageId="2" pageNumber="49">
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<emphasis id="9298EACF826BFF8D6CD2F8E49C95F809" bold="true" box="[151,207,1919,1942]" pageId="2" pageNumber="49">Type</emphasis>
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:—
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<materialsCitation id="10843C80826BFF8D6CAAF8E49F9FF829" collectingDate="2008-04" collectorName="Dr Guoqiang Chu" country="China" elevation="869" latitude="49.37583" location="Sifangshan Tianchi" longLatPrecision="18" longitude="123.464165" municipality="Great Xing'An Mountains" pageId="2" pageNumber="49" specimenCount="1" stateProvince="Nei Mongol">
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<collectingCountry id="D8FB764D826BFF8D6CAAF8E49D13F809" box="[239,329,1919,1942]" name="China" pageId="2" pageNumber="49">CHINA</collectingCountry>
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:
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<collectingRegion id="6228F83F826BFF8D6D10F8E49E5AF809" box="[341,512,1919,1942]" country="China" name="Nei Mongol" pageId="2" pageNumber="49">Inner Mongolia</collectingRegion>
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,
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<collectingMunicipality id="4037ACA7826BFF8D6E48F8E49F77F809" box="[525,813,1919,1942]" pageId="2" pageNumber="49">Great Xing’An Mountains</collectingMunicipality>
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,
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<location id="A5336006826BFF8D6F7FF8E49856F809" LSID="urn:lsid:plazi:treatment:284587CB826BFF8A6CD2F8AA9F46FDC4:A5336006826BFF8D6F7FF8E49856F809" box="[826,1036,1919,1942]" country="China" latitude="49.37583" longLatPrecision="18" longitude="123.464165" municipality="Great Xing'An Mountains" name="Sifangshan Tianchi" pageId="2" pageNumber="49" stateProvince="Nei Mongol">Sifangshan Tianchi</location>
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,
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<quantity id="67149B38826BFF8D685CF8E4983AF809" box="[1049,1120,1919,1942]" metricMagnitude="2" metricUnit="m" metricValue="8.69" pageId="2" pageNumber="49" unit="m" value="869.0">
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<elevation id="2BC1D1EE826BFF8D685CF8E4983AF809" box="[1049,1120,1919,1942]" metricMagnitude="2" metricUnit="m" metricValue="8.69" pageId="2" pageNumber="49" unit="m" value="869.0">869 m</elevation>
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</quantity>
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,
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<geoCoordinate id="C5D8501A826BFF8D682AF8E498A8F809" box="[1135,1266,1919,1942]" degrees="49" direction="north" minutes="22" orientation="latitude" pageId="2" pageNumber="49" precision="15" seconds="33" value="49.37583">49º 22'33''N</geoCoordinate>
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,
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<geoCoordinate id="C5D8501A826BFF8D694FF8E499C3F809" box="[1290,1433,1919,1942]" degrees="123" direction="east" minutes="27" orientation="longitude" pageId="2" pageNumber="49" precision="15" seconds="51" value="123.464165">123º 27'51''E</geoCoordinate>
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,
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<date id="D452101D826BFF8D6C82F8049D1AF829" box="[199,320,1951,1974]" pageId="2" pageNumber="49" value="2008-04">
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<collectingDate id="C416E9F5826BFF8D6C82F8049D1AF829" box="[199,320,1951,1974]" pageId="2" pageNumber="49" value="2008-04">April-2008</collectingDate>
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</date>
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, surface sediment collected by
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<collectorName id="0D19530B826BFF8D6EC9F8049F16F829" box="[652,844,1951,1974]" pageId="2" pageNumber="49">Dr Guoqiang Chu</collectorName>
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, IGG-CAS
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</materialsCitation>
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,
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<materialsCitation id="10843C80826BFF8D6F95F804992FF849" collectionCode="BM" collectorName="England Finder K" country="China" location="Beijing" pageId="2" pageNumber="49" specimenCode="BM 101" specimenCount="2" stateProvince="Beijing" typeStatus="holotype">
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<collectingRegion id="6228F83F826BFF8D6F95F8049878F829" box="[976,1058,1951,1974]" country="China" name="Beijing" pageId="2" pageNumber="49">Beijing</collectingRegion>
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. (
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<typeStatus id="7F57887F826BFF8D6877F80498CBF829" box="[1074,1169,1951,1974]" pageId="2" pageNumber="49" type="holotype">holotype</typeStatus>
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slide IGGDC-DB-SIFA- 1204!,
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<typeStatus id="7F57887F826BFF8D6D57F8249D35F849" box="[274,367,1983,2006]" pageId="2" pageNumber="49" type="holotype">holotype</typeStatus>
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specimen illustrated in
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<figureCitation id="38D72A58826BFF8D6E2BF8249EFDF849" box="[622,679,1983,2006]" captionStart="FIGURES 2–15" captionStartId="3.[151,259,1885,1907]" captionTargetBox="[329,1257,197,1853]" captionTargetId="figure-60@3.[329,1257,197,1865]" captionTargetPageId="3" captionText="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." figureDoi="http://doi.org/10.5281/zenodo.5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="2" pageNumber="49">Fig 7</figureCitation>
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, located using
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<collectorName id="0D19530B826BFF8D6F02F8249853F849" box="[839,1033,1983,2006]" pageId="2" pageNumber="49">England Finder K</collectorName>
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45/1);
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<specimenCode id="F04A9EA6826BFF8D6809F82498FFF849" box="[1100,1189,1983,2006]" collectionCode="BM" country="United Kingdom" name="Bristol Museum" pageId="2" pageNumber="49">BM 101</specimenCode>
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674 (isotype slide)
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</materialsCitation>
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.
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</paragraph>
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<caption id="F4936655826AFF8C6CD2F8C69CB8F827" ID-DOI="http://doi.org/10.5281/zenodo.5100399" ID-Zenodo-Dep="5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="3" pageNumber="50" startId="3.[151,259,1885,1907]" targetBox="[329,1257,197,1853]" targetPageId="3">
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<paragraph id="A05336DD826AFF8C6CD2F8C69CB8F827" blockId="3.[151,1436,1885,1976]" pageId="3" pageNumber="50">
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<emphasis id="9298EACF826AFF8C6CD2F8C69D60F8EC" bold="true" box="[151,314,1885,1907]" pageId="3" pageNumber="50">FIGURES 2–15</emphasis>
|
||
. Light micro-photographs of
|
||
<taxonomicName id="67EC4D5E826AFF8C6E19F8C69F1EF8ED" authorityName="Rioual & Gao & Peng & Chu" authorityYear="2013" box="[604,836,1885,1906]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="50" phylum="Bacillariophyta" rank="species" species="lacusvulcani">
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||
<emphasis id="9298EACF826AFF8C6E19F8C69F1EF8ED" box="[604,836,1885,1906]" italics="true" pageId="3" pageNumber="50">Stauroneis lacusvulcani</emphasis>
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</taxonomicName>
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||
. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample.
|
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</paragraph>
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</caption>
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<paragraph id="A05336DD826DFF8B6CD2FF0398B9FEEC" blockId="4.[151,1436,152,564]" pageId="4" pageNumber="51">
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LM (
|
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<figureCitation id="38D72A58826DFF8B6C96FF039D15FF2D" box="[211,335,152,178]" captionStart="FIGURES 2–15" captionStartId="3.[151,259,1885,1907]" captionTargetBox="[329,1257,197,1853]" captionTargetId="figure-60@3.[329,1257,197,1865]" captionTargetPageId="3" captionText="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." figureDoi="http://doi.org/10.5281/zenodo.5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="4" pageNumber="51">Figs 2–15</figureCitation>
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||
): Valves lanceolate with long protracted capitate apices (
|
||
<figureCitation id="38D72A58826DFF8B6FAAFF039830FF2D" box="[1007,1130,152,178]" captionStart="FIGURES 2–15" captionStartId="3.[151,259,1885,1907]" captionTargetBox="[329,1257,197,1853]" captionTargetId="figure-60@3.[329,1257,197,1865]" captionTargetPageId="3" captionText="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." figureDoi="http://doi.org/10.5281/zenodo.5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="4" pageNumber="51">Figs 2–15</figureCitation>
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); length
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<quantity id="67149B38826DFF8B6894FF039916FF2D" box="[1233,1356,152,178]" metricMagnitude="-2" metricUnit="m" metricValue="7.25" metricValueMax="8.3" metricValueMin="6.2" pageId="4" pageNumber="51" unit="mm" value="72.5" valueMax="83.0" valueMin="62.0">62–83 µm</quantity>
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, width 9.2–12.0 µ m. Raphe moderately lateral, becoming filiform at distal ends, with strongly unilaterally deflected (hooked) distal ends. Axial area narrow, linear. Shape of central area varies from narrow rectangular (
|
||
<figureCitation id="38D72A58826DFF8B6906FF7E9D61FEB9" captionStart="FIGURES 2–15" captionStartId="3.[151,259,1885,1907]" captionTargetBox="[329,1257,197,1853]" captionTargetId="figure-60@3.[329,1257,197,1865]" captionTargetPageId="3" captionText="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." figureDoi="http://doi.org/10.5281/zenodo.5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="4" pageNumber="51">Figs 2– 3, 5–6, 10–13</figureCitation>
|
||
) to asymmetrical stauros expanding towards valve margins (
|
||
<figureCitation id="38D72A58826DFF8B6848FE979802FEB9" box="[1037,1112,268,294]" captionStart="FIGURE 1" captionStartId="2.[151,244,1049,1071]" captionTargetBox="[305,1283,201,1017]" captionTargetId="figure-251@2.[304,1284,197,1025]" captionTargetPageId="2" captionText="FIGURE 1: Geographical location of the study sites. Lake Xiaolongwan is marked by an X, Sifangshan Tianchi by a S. Shaded areas represent mountainous regions with an elevation>1000 m." figureDoi="http://doi.org/10.5281/zenodo.5100397" httpUri="https://zenodo.org/record/5100397/files/figure.png" pageId="4" pageNumber="51">Figs 1</figureCitation>
|
||
,
|
||
<figureCitation id="38D72A58826DFF8B682DFE979955FEB9" box="[1128,1295,268,294]" captionStart="FIGURES 2–15" captionStartId="3.[151,259,1885,1907]" captionTargetBox="[329,1257,197,1853]" captionTargetId="figure-60@3.[329,1257,197,1865]" captionTargetPageId="3" captionText="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." figureDoi="http://doi.org/10.5281/zenodo.5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="4" pageNumber="51">4, 7–9, 14–15</figureCitation>
|
||
). Shortened striae may be present at valve margins (
|
||
<figureCitation id="38D72A58826DFF8B6E3AFEA99F02FED3" box="[639,856,306,332]" captionStart="FIGURES 2–15" captionStartId="3.[151,259,1885,1907]" captionTargetBox="[329,1257,197,1853]" captionTargetId="figure-60@3.[329,1257,197,1865]" captionTargetPageId="3" captionText="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." figureDoi="http://doi.org/10.5281/zenodo.5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="4" pageNumber="51">Figs 2, 5–8, 9–12</figureCitation>
|
||
) or not (
|
||
<figureCitation id="38D72A58826DFF8B6F86FEA998D5FED3" box="[963,1167,306,332]" captionStart="FIGURES 2–15" captionStartId="3.[151,259,1885,1907]" captionTargetBox="[329,1257,197,1853]" captionTargetId="figure-60@3.[329,1257,197,1865]" captionTargetPageId="3" captionText="FIGURES 2–15. Light micro-photographs of Stauroneis lacusvulcani. Scale bar = 10 µm. Figs 3,4,7,8. Specimen from Sifangshan Tianchi, surface-sediment. Figs 2, 5, 6. Specimens from Xialongwan surface-sediment. Figs 9–15. Specimens from Xiaolongwan core sample." figureDoi="http://doi.org/10.5281/zenodo.5100399" httpUri="https://zenodo.org/record/5100399/files/figure.png" pageId="4" pageNumber="51">Figs 3–4, 13–15</figureCitation>
|
||
). Striae parallel along border of stauros becoming radiate to more steeply radiate near valve apices,
|
||
<quantity id="67149B38826DFF8B6867FEC298D2FEEC" box="[1058,1160,345,371]" metricMagnitude="-1" metricUnit="m" metricValue="6.223" metricValueMax="7.112" metricValueMin="5.334" pageId="4" pageNumber="51" unit="in" value="24.5" valueMax="28.0" valueMin="21.0">21–28 in</quantity>
|
||
<quantity id="67149B38826DFF8B68CAFEC29885FEEC" box="[1167,1247,345,371]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="A05336DD826DFF8B6C83FE1B9F3DFDAB" blockId="4.[151,1436,152,564]" pageId="4" pageNumber="51">
|
||
SEM (
|
||
<figureCitation id="38D72A58826DFF8B6D51FE1B9DC5FE05" box="[276,415,384,410]" captionStart="FIGURES 16–21" captionStartId="4.[151,258,1940,1962]" captionTargetBox="[233,1354,603,1923]" captionTargetId="figure-245@4.[233,1354,603,1926]" captionTargetPageId="4" captionText="FIGURES 16–21. SEM of Stauroneis lacusvulcani from Sifangshan. 16. Exterior view of whole valve. 17. Close-up of valve centre. 18. Close-up of distal end. 19. Interior view of whole valve. 20. Interior view of centre showing ridge bearing raphe fissure. 21. Interior view of distal end showing helictoglossa." figureDoi="http://doi.org/10.5281/zenodo.5100401" httpUri="https://zenodo.org/record/5100401/files/figure.png" pageId="4" pageNumber="51">Figs 16–21</figureCitation>
|
||
): Areolae round to transapically oblong, irregularly spaced,
|
||
<quantity id="67149B38826DFF8B6834FE1B9881FE05" box="[1137,1243,384,410]" metricMagnitude="-1" metricUnit="m" metricValue="5.842" metricValueMax="7.112" metricValueMin="4.572" pageId="4" pageNumber="51" unit="in" value="23.0" valueMax="28.0" valueMin="18.0">18–28 in</quantity>
|
||
<quantity id="67149B38826DFF8B68A1FE1B996FFE05" box="[1252,1333,384,410]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="51" unit="mm" value="10.0">10 µm</quantity>
|
||
. Weakly developed hyaline area present, thus striae next to stauros appear discontinuous (
|
||
<figureCitation id="38D72A58826DFF8B6800FE3D9897FE5F" box="[1093,1229,422,448]" captionStart="FIGURES 16–21" captionStartId="4.[151,258,1940,1962]" captionTargetBox="[233,1354,603,1923]" captionTargetId="figure-245@4.[233,1354,603,1926]" captionTargetPageId="4" captionText="FIGURES 16–21. SEM of Stauroneis lacusvulcani from Sifangshan. 16. Exterior view of whole valve. 17. Close-up of valve centre. 18. Close-up of distal end. 19. Interior view of whole valve. 20. Interior view of centre showing ridge bearing raphe fissure. 21. Interior view of distal end showing helictoglossa." figureDoi="http://doi.org/10.5281/zenodo.5100401" httpUri="https://zenodo.org/record/5100401/files/figure.png" pageId="4" pageNumber="51">Figs 17, 20</figureCitation>
|
||
). Raphe bordered by wide sternum on each side. Proximal raphe ends straight and slightly expanded (
|
||
<figureCitation id="38D72A58826DFF8B683BFE56988CFE78" box="[1150,1238,461,487]" captionStart="FIGURES 16–21" captionStartId="4.[151,258,1940,1962]" captionTargetBox="[233,1354,603,1923]" captionTargetId="figure-245@4.[233,1354,603,1926]" captionTargetPageId="4" captionText="FIGURES 16–21. SEM of Stauroneis lacusvulcani from Sifangshan. 16. Exterior view of whole valve. 17. Close-up of valve centre. 18. Close-up of distal end. 19. Interior view of whole valve. 20. Interior view of centre showing ridge bearing raphe fissure. 21. Interior view of distal end showing helictoglossa." figureDoi="http://doi.org/10.5281/zenodo.5100401" httpUri="https://zenodo.org/record/5100401/files/figure.png" pageId="4" pageNumber="51">Fig. 17</figureCitation>
|
||
), apical external raphe endings hooked with hooks opening toward secondary side (
|
||
<figureCitation id="38D72A58826DFF8B6FF2FE6F984BFD91" box="[951,1041,500,526]" captionStart="FIGURES 16–21" captionStartId="4.[151,258,1940,1962]" captionTargetBox="[233,1354,603,1923]" captionTargetId="figure-245@4.[233,1354,603,1926]" captionTargetPageId="4" captionText="FIGURES 16–21. SEM of Stauroneis lacusvulcani from Sifangshan. 16. Exterior view of whole valve. 17. Close-up of valve centre. 18. Close-up of distal end. 19. Interior view of whole valve. 20. Interior view of centre showing ridge bearing raphe fissure. 21. Interior view of distal end showing helictoglossa." figureDoi="http://doi.org/10.5281/zenodo.5100401" httpUri="https://zenodo.org/record/5100401/files/figure.png" pageId="4" pageNumber="51">Fig. 18</figureCitation>
|
||
). Internally, raphe-sternum bears longitudinal ribs and well-developed helictoglossae (
|
||
<figureCitation id="38D72A58826DFF8B6F47FD819F00FDAB" box="[770,858,538,564]" captionStart="FIGURES 16–21" captionStartId="4.[151,258,1940,1962]" captionTargetBox="[233,1354,603,1923]" captionTargetId="figure-245@4.[233,1354,603,1926]" captionTargetPageId="4" captionText="FIGURES 16–21. SEM of Stauroneis lacusvulcani from Sifangshan. 16. Exterior view of whole valve. 17. Close-up of valve centre. 18. Close-up of distal end. 19. Interior view of whole valve. 20. Interior view of centre showing ridge bearing raphe fissure. 21. Interior view of distal end showing helictoglossa." figureDoi="http://doi.org/10.5281/zenodo.5100401" httpUri="https://zenodo.org/record/5100401/files/figure.png" pageId="4" pageNumber="51">Fig. 21</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="F4936655826DFF8B6CD2F80F9E28F86E" ID-DOI="http://doi.org/10.5281/zenodo.5100401" ID-Zenodo-Dep="5100401" httpUri="https://zenodo.org/record/5100401/files/figure.png" pageId="4" pageNumber="51" startId="4.[151,258,1940,1962]" targetBox="[233,1354,603,1923]" targetPageId="4">
|
||
<paragraph id="A05336DD826DFF8B6CD2F80F9E28F86E" blockId="4.[151,1437,1939,2033]" pageId="4" pageNumber="51">
|
||
<emphasis id="9298EACF826DFF8B6CD2F80F9D1FF835" bold="true" box="[151,325,1939,1962]" pageId="4" pageNumber="51">FIGURES 16–21</emphasis>
|
||
. SEM of
|
||
<taxonomicName id="67EC4D5E826DFF8B6DE1F80F9ED2F836" authorityName="Rioual & Gao & Peng & Chu" authorityYear="2013" box="[420,648,1940,1961]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="51" phylum="Bacillariophyta" rank="species" species="lacusvulcani">
|
||
<emphasis id="9298EACF826DFF8B6DE1F80F9ED2F836" box="[420,648,1940,1961]" italics="true" pageId="4" pageNumber="51">Stauroneis lacusvulcani</emphasis>
|
||
</taxonomicName>
|
||
from Sifangshan. 16. Exterior view of whole valve. 17. Close-up of valve centre. 18. Close-up of distal end. 19. Interior view of whole valve. 20. Interior view of centre showing ridge bearing raphe fissure. 21. Interior view of distal end showing helictoglossa.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="E8F66556826CFF8A6C83FF039F07FF2D" box="[198,861,152,178]" pageId="5" pageNumber="52" type="etymology">
|
||
<paragraph id="A05336DD826CFF8A6C83FF039F07FF2D" blockId="5.[151,1436,152,603]" box="[198,861,152,178]" pageId="5" pageNumber="52">
|
||
<emphasis id="9298EACF826CFF8A6C83FF039D17FF2D" bold="true" box="[198,333,152,178]" pageId="5" pageNumber="52">Etymology</emphasis>
|
||
:—Based on its occurrence in volcanic lakes.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="E8F66556826CFF8A6C83FF259F46FDC4" pageId="5" pageNumber="52" type="distribution">
|
||
<paragraph id="A05336DD826CFF8A6C83FF25993EFE78" blockId="5.[151,1436,152,603]" pageId="5" pageNumber="52">
|
||
<emphasis id="9298EACF826CFF8A6C83FF259DA1FF47" bold="true" box="[198,507,190,216]" pageId="5" pageNumber="52">Distribution and ecology</emphasis>
|
||
:—
|
||
<taxonomicName id="67EC4D5E826CFF8A6E65FF259F6EFF47" authorityName="Rioual & Gao & Peng & Chu" authorityYear="2013" box="[544,820,190,216]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="52" phylum="Bacillariophyta" rank="species" species="lacusvulcani">
|
||
<emphasis id="9298EACF826CFF8A6E65FF259F6EFF47" box="[544,820,190,216]" italics="true" pageId="5" pageNumber="52">Stauroneis lacusvulcani</emphasis>
|
||
</taxonomicName>
|
||
was found in the surface sediment of two volcanic lakes of NE
|
||
<collectingCountry id="D8FB764D826CFF8A6D6FFF7E9D28FF60" box="[298,370,229,255]" name="China" pageId="5" pageNumber="52">China</collectingCountry>
|
||
, Sifangshan Tianchi and Lake Xiaolongwan. Lake Xiaolongwan located in the Long Gang volcanic field in
|
||
<collectingRegion id="6228F83F826CFF8A6D2CFE979E4DFEB9" box="[361,535,268,294]" country="China" name="Jilin" pageId="5" pageNumber="52">Jilin Province</collectingRegion>
|
||
, is a small maar lake (i.e. formed by a phreatomagmatic eruption) with a maximum water depth of
|
||
<quantity id="67149B38826CFF8A6D86FEA99DA4FED3" box="[451,510,306,332]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="5" pageNumber="52" unit="m" value="15.0">15 m</quantity>
|
||
(
|
||
<bibRefCitation id="C47D4B2C826CFF8A6E48FEA99E9DFED3" author="Chu, G. & Sun, Q. & Gu, Z. & Rioual, P. & Liu, Q. & Wang, K. & Han, J. & Liu, J." box="[525,711,306,332]" pageId="5" pageNumber="52" pagination="108 - 118" refId="ref3976" refString="Chu, G., Sun, Q., Gu, Z., Rioual, P., Liu, Q., Wang, K., Han, J. & Liu, J. (2009) Dust records from varved lacustrine sediments of two neighboring lakes in northeastern China over the last 1400 years. Quaternary International 194: 108 - 118. http: // dx. doi. org / 10.1016 / j. quaint. 2008.08.005" type="journal article" year="2009">
|
||
Chu
|
||
<emphasis id="9298EACF826CFF8A6E02FEA99E23FED3" box="[583,633,306,332]" italics="true" pageId="5" pageNumber="52">et al</emphasis>
|
||
. 2009
|
||
</bibRefCitation>
|
||
). Sifangshan Tianchi, located in the Great Xing’An Mountains (
|
||
<collectingRegion id="6228F83F826CFF8A6CDBFEC29D0CFEEC" box="[158,342,345,371]" country="China" name="Nei Mongol" pageId="5" pageNumber="52">Inner Mongolia</collectingRegion>
|
||
) is a much smaller water body as only a small pond, less than
|
||
<quantity id="67149B38826CFF8A685BFEC29810FEEC" box="[1054,1098,345,371]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="52" unit="m" value="1.0">1 m</quantity>
|
||
deep, persists at the center of the crater. In both sites, the water is slightly acidic with low electrical conductivity and relatively high dissolved organic carbon concentration (
|
||
<tableCitation id="ED6E0366826CFF8A6E45FE3D9E03FE5F" box="[512,601,422,448]" captionStart="TABLE 1" captionStartId="1.[151,241,389,412]" captionText="TABLE 1: Physical and chemical parameters recorded at the localities of the samples studied." pageId="5" pageNumber="52">Table 1</tableCitation>
|
||
). For Sifangshan, however, the values for total phosphorus (TP), total nitrogen (TN) and dissolved silica were measured on a water sample that was contaminated with sediment.
|
||
</paragraph>
|
||
<paragraph id="A05336DD826CFF8A6C83FE6F9F46FDC4" blockId="5.[151,1436,152,603]" pageId="5" pageNumber="52">
|
||
In both surface-sediment samples,
|
||
<taxonomicName id="67EC4D5E826CFF8A6E1AFE6F9F4BFD91" authorityName="Rioual & Gao & Peng & Chu" authorityYear="2013" box="[607,785,500,526]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="52" phylum="Bacillariophyta" rank="species" species="lacusvulcani">
|
||
<emphasis id="9298EACF826CFF8A6E1AFE6F9F4BFD91" box="[607,785,500,526]" italics="true" pageId="5" pageNumber="52">S. lacusvulcani</emphasis>
|
||
</taxonomicName>
|
||
is rare and represents less than 1% of the assemblages. In the sediment core from Lake Xiaolongwan,
|
||
<taxonomicName id="67EC4D5E826CFF8A6EF3FD819F3DFDAB" authorityName="Rioual & Gao & Peng & Chu" authorityYear="2013" box="[694,871,538,564]" class="Bacillariophyceae" family="Stauroneidaceae" genus="Stauroneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="52" phylum="Bacillariophyta" rank="species" species="lacusvulcani">
|
||
<emphasis id="9298EACF826CFF8A6EF3FD819F3DFDAB" box="[694,871,538,564]" italics="true" pageId="5" pageNumber="52">S. lacusvulcani</emphasis>
|
||
</taxonomicName>
|
||
is most abundant (14.4%) in the sample taken at
|
||
<quantity id="67149B38826CFF8A6CD2FDDA9CB4FDC4" box="[151,238,577,603]" metricMagnitude="0" metricUnit="m" metricValue="4.0" pageId="5" pageNumber="52" unit="cm" value="400.0">400 cm</quantity>
|
||
core depth from the early part of the Holocene.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |