116 lines
12 KiB
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116 lines
12 KiB
XML
<document id="6E96311C7E155644C487B74B91B217B6" ID-DOI="10.1515/bot-2021-0066" ID-ISSN="1437-4323" ID-Zenodo-Dep="11000147" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1713579941710" checkinUser="felipe" docAuthor="Al-Handal, Adil Y., Torstensson, Anders & Wulff, Angela" docDate="2022" docId="03C487C5430B737FFCEFFD6E775E9A31" docLanguage="en" docName="BotMar.65.2.81-103.pdf" docOrigin="Botanica Marina (Warsaw, Poland) 65 (2)" docSource="http://dx.doi.org/10.1515/bot-2021-0066" docStyle="DocumentStyle:852F6101A3F2630EFBDAB42A7703A325.1:BotMar.2015-.journal_article.open" docStyleId="852F6101A3F2630EFBDAB42A7703A325" docStyleName="BotMar.2015-.journal_article.open" docStyleVersion="1" docTitle="Gyrosigma obscurum Griffith et Henfrey" docType="treatment" docVersion="2" lastPageNumber="94" masterDocId="FFFDFFBD43067372FFD7FFF973479F53" masterDocTitle="Revisiting Potter Cove, King George Island, Antarctica, 12 years later: new observations of marine benthic diatoms" masterLastPageNumber="103" masterPageNumber="81" pageNumber="94" updateTime="1713580470472" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="93B4CF9DF16FB7C11C5981272B6B33AE">Revisiting Potter Cove, King George Island, Antarctica, 12 years later: new observations of marine benthic diatoms</mods:title>
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<mods:namePart id="9440CBB691D8AE4C7A9C32CEA38DD73F">Al-Handal, Adil Y.</mods:namePart>
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<mods:namePart id="FA756DA8C8D57DA1E24C1E758F72C5EB">Torstensson, Anders</mods:namePart>
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<mods:namePart id="2AC1DCD1171FCEAABB6B7268FBDB4C6D">Wulff, Angela</mods:namePart>
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<mods:title id="BE232C08F1A3366302D763D8250AFE41">Botanica Marina</mods:title>
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<mods:date id="9F18F926609280A7AE41DF2D5A8E0E4F">2022</mods:date>
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<mods:title id="6657081CA76D89E40E8F0AF589D40047">Warsaw, Poland</mods:title>
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<mods:number id="3D5CACA31F70D84C7238345CC669CB9F">2022-02-23</mods:number>
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<mods:identifier id="485FE2D23D4139FEB3FDB9C10430DC23" type="ISSN">1437-4323</mods:identifier>
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<treatment id="03C487C5430B737FFCEFFD6E775E9A31" ID-DOI="http://doi.org/10.5281/zenodo.11000235" ID-Zenodo-Dep="11000235" LSID="urn:lsid:plazi:treatment:03C487C5430B737FFCEFFD6E775E9A31" httpUri="http://treatment.plazi.org/id/03C487C5430B737FFCEFFD6E775E9A31" lastPageNumber="94" pageId="13" pageNumber="94">
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<subSubSection id="C3776558430B737FFCEFFD6E76CC9C46" pageId="13" pageNumber="94" type="nomenclature">
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<paragraph id="8BD236D3430B737FFCEFFD6E70F49D82" blockId="13.[824,1452,663,1378]" pageId="13" pageNumber="94">
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<heading id="D09A81BF430B737FFCEFFD6E70F49D82" centered="true" fontSize="9" level="2" pageId="13" pageNumber="94" reason="4">
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<emphasis id="B919EAC1430B737FFCEFFD6E70F49D82" bold="true" pageId="13" pageNumber="94">
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<taxonomicName id="4C6D4D50430B737FFCEFFD6E76EC9DFD" authority="(W. Smith) Griffith et Henfrey" authorityName="Griffith et Henfrey" baseAuthorityName="W. Smith" box="[824,1451,663,687]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Gyrosigma" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Chromista" order="Naviculales" pageId="13" pageNumber="94" phylum="Ochrophyta" rank="species" species="obscurum">
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<emphasis id="B919EAC1430B737FFCEFFD6E70F59DFD" bold="true" box="[824,946,663,686]" italics="true" pageId="13" pageNumber="94">Gyrosigma</emphasis>
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cf.
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<emphasis id="B919EAC1430B737FFC0BFD6E770B9DFD" bold="true" box="[988,1100,663,686]" italics="true" pageId="13" pageNumber="94">obscurum</emphasis>
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(W. Smith) Griffith
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<emphasis id="B919EAC1430B737FFAE6FD6E76009DFD" bold="true" box="[1329,1351,663,686]" italics="true" pageId="13" pageNumber="94">et</emphasis>
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Henfrey
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</taxonomicName>
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(
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<figureCitation id="13562A56430B737FFCE8FD4270EB9D82" box="[831,940,699,721]" captionStart="Figures 79–92" captionStartId="13.[166,233,1142,1161]" captionTargetBox="[167,788,195,1101]" captionTargetId="figure-601@13.[166,791,191,1103]" captionTargetPageId="13" captionText="Figures 79–92: Marine benthic diatoms in Potter Cove, King George Island, Antarctica, summer 2015. (79) Gyrosigma arcuatum. (80) Gyrosigma fasciola. (81) Gyrosigma cf. obscurum. (82) Pleurosigma eudon var. kerguelensis. (83) Pleurosigm diversestriatum. (84) Pleurosigma strigosum. (85) Amphora gourdonii. (86) Amphora marina. (87, 88) Amphora sp. 1. (89) Amphora sp. 2. (90) Cylindrotheca closterium. (91, 92) Fragilariopsis cylindrus." figureDoi="http://doi.org/10.5281/zenodo.11000165" httpUri="https://zenodo.org/record/11000165/files/figure.png" pageId="13" pageNumber="94">Figure 81</figureCitation>
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)
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BD236D3430B737FFCEFFD2476CC9C46" blockId="13.[824,1452,663,1378]" pageId="13" pageNumber="94">
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Literature: (
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<bibRefCitation id="EFFC4B22430B737FFC60FD2776689DA0" author="Krammer, K. & Lange-Bertalot, H." box="[951,1327,733,755]" pageId="13" pageNumber="94" pagination="1" refId="ref18888" refString="Krammer, K. and Lange-Bertalot, H. (1986). Bacillariophyceae 1. Teil. Naviculaceae. In: Ettl, H., Gerloff, F., Heying, H., and Mollenhauer, D. (Eds.), Suβwasser fl ora von Mitteleuropa 2 / 1. Gustav Fischer Verlag, Stuttgart." type="journal article" year="1986">Krammer and Lange-Bertalot 1986</bibRefCitation>
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, p. 299, fig. 116: 1, 2;
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<bibRefCitation id="EFFC4B22430B737FFC4EFCF977E49C45" author="Patrick, R. & Reimer, C. W." box="[921,1187,768,790]" pageId="13" pageNumber="94" refId="ref19714" refString="Patrick, R. and Reimer, C. W. (1966). The diatoms of the United States, exclusive of Alaska and Hawaii. Monograph No. 13. Academy of Natural Sciences, Philadelphia." type="book" year="1966">Patrick and Reimer 1966</bibRefCitation>
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, p. 346, pl. 24, fig. 7).
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</paragraph>
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</subSubSection>
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<subSubSection id="C3776558430B737FFCEFFCDB775E9A31" pageId="13" pageNumber="94" type="description">
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<paragraph id="8BD236D3430B737FFCEFFCDB77219C08" blockId="13.[824,1452,663,1378]" pageId="13" pageNumber="94">
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Description: Length 144–170 µm, width 9–11 µm, transverse striae
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<quantity id="4C959B36430B737FFC6EFCBC77509C08" box="[953,1047,837,859]" metricMagnitude="-1" metricUnit="m" metricValue="7.366" metricValueMax="7.62" metricValueMin="7.112" pageId="13" pageNumber="94" unit="in" value="29.0" valueMax="30.0" valueMin="28.0">28–30 in</quantity>
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10 µm.
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</paragraph>
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<paragraph id="8BD236D3430B737FFCEFFC91778A9BA9" blockId="13.[824,1452,663,1378]" pageId="13" pageNumber="94">
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Remarks: There has been controversial debate on whether this species belongs to
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<taxonomicName id="4C6D4D50430B737FFB90FC7377FF9CCC" authorityName="A.H.Hassall" authorityYear="1845" box="[1095,1208,906,927]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="13" pageNumber="94" phylum="Ochrophyta" rank="genus">
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<emphasis id="B919EAC1430B737FFB90FC7377FF9CCC" bold="true" box="[1095,1208,906,927]" italics="true" pageId="13" pageNumber="94">Gyrosigma</emphasis>
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</taxonomicName>
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or
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<taxonomicName id="4C6D4D50430B737FFB33FC7076209CF3" authorityName="W.Smith" authorityYear="1852" box="[1252,1383,905,928]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Pleurosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="13" pageNumber="94" phylum="Ochrophyta" rank="genus">
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<emphasis id="B919EAC1430B737FFB33FC7076209CF3" bold="true" box="[1252,1383,905,928]" italics="true" pageId="13" pageNumber="94">Pleurosigma</emphasis>
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</taxonomicName>
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(
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<bibRefCitation id="EFFC4B22430B737FFAAEFC7370369C91" author="Reid, G." pageId="13" pageNumber="94" pagination="353 - 360" refId="ref20408" refString="Reid, G. (2004). Pleurosigma obscurum W. Smith or Gyrosigma obscurum (W. Smith) Grif fi th et Henfrey? The tale of two genera. Diatom Res. 19: 353 - 360." type="journal article" year="2004">Reid 2004</bibRefCitation>
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; Sterrenburg 1993, 2003) based on the angle of striae crossing in the center of the valve. The transverse striae which cross the apical axis at 90° can be easily seen under LM but the oblique striae were very difficult to resolve. According to
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<bibRefCitation id="EFFC4B22430B737FFC01FBCE771A9B1E" author="Reid, G." box="[982,1117,1079,1101]" pageId="13" pageNumber="94" pagination="353 - 360" refId="ref20408" refString="Reid, G. (2004). Pleurosigma obscurum W. Smith or Gyrosigma obscurum (W. Smith) Grif fi th et Henfrey? The tale of two genera. Diatom Res. 19: 353 - 360." type="journal article" year="2004">Reid (2004)</bibRefCitation>
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, molecular analysis supports placing this species in
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<taxonomicName id="4C6D4D50430B737FFBE4FBA377E39B3C" authorityName="A.H.Hassall" authorityYear="1845" box="[1075,1188,1114,1135]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="13" pageNumber="94" phylum="Ochrophyta" rank="genus">
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<emphasis id="B919EAC1430B737FFBE4FBA377E39B3C" bold="true" box="[1075,1188,1114,1135]" italics="true" pageId="13" pageNumber="94">Gyrosigma</emphasis>
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</taxonomicName>
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which is followed here. The observed specimens matched well the description of
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<taxonomicName id="4C6D4D50430B737FFCEFFB6670F99BE6" box="[824,958,1182,1205]" class="Bacillariophyceae" family="Pleurosigmataceae" genus="Gyrosigma" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="13" pageNumber="94" phylum="Ochrophyta" rank="species" species="obscurum">
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<emphasis id="B919EAC1430B737FFCEFFB6670F99BE6" bold="true" box="[824,958,1182,1205]" italics="true" pageId="13" pageNumber="94">G. obscurum</emphasis>
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</taxonomicName>
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but as this species is considered freshwater, doubt arose. According to Sterrenburg (2003), marine records of this species were inaccurate.
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</paragraph>
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<paragraph id="8BD236D3430B737FFCEFFAFE775E9A31" blockId="13.[824,1452,663,1378]" pageId="13" pageNumber="94">Ecology and distribution: This species appeared in large numbers in Potter Cove but have not been observed in previous collections.</paragraph>
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</subSubSection>
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</treatment>
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</document> |