189 lines
31 KiB
XML
189 lines
31 KiB
XML
<document id="9DAF16D66326A25219CB161B114F0D32" ID-CLB-Dataset="22014" ID-DOI="10.5852/ejt.2014.79" ID-GBIF-Dataset="b2e284c1-70c1-4e2e-a6ef-cff807e570b5" ID-ISSN="2118-9773" ID-Zenodo-Dep="3835050" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1589939914742" checkinUser="tatiana" docAuthor="Vijver, Bart Van De & Kopalová, Kateřina" docDate="2014" docId="EA238799B911ED6F8173FD06FE49FB4C" docLanguage="en" docName="ejt-2014-79.pdf.imf" docOrigin="European Journal of Taxonomy 79" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Achnanthidium lailae Van de Vijver in Zidarova" docType="treatment" docVersion="6" lastPageNumber="8" masterDocId="161AFFE1B916ED678027FFB9FFD3FA20" masterDocTitle="Four Achnanthidium species (Bacillariophyta) formerly identified as Achnanthidium minutissimum from the Antarctic Region" masterLastPageNumber="19" masterPageNumber="1" pageNumber="8" updateTime="1698840352454" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods id="E128574F13561F690B24F8776F4E2A2D" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="91D7D4A85F052C3B97FBD323C6F8374D">
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<mods:title id="8EBC46A67DDC2540DD27A6D9031F5501">Four Achnanthidium species (Bacillariophyta) formerly identified as Achnanthidium minutissimum from the Antarctic Region</mods:title>
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<mods:name id="5B0E65695EE265952D2A4B7B5656BA4D" type="personal">
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<mods:role id="DF09C17ADE7B9E72B477DC68111C8481">
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<mods:roleTerm id="4671A797BEC786477B162206C0E5A327">Author</mods:roleTerm>
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<mods:namePart id="9AF5F1C432B971BFBC9D302AD40405A1">Vijver, Bart Van De</mods:namePart>
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<mods:affiliation id="78209564BD7DA140029C033CC3A7AC28">Botanic Garden Meise, Department of Bryophyta & Thallophyta, Nieuwelaan 38, B- 1860 Meise, Belgium Email: vandevijver @ br. fgov. be (corresponding author) & University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B- 2610 Wilrijk, Antwerpen, Belgium</mods:affiliation>
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<mods:name id="9D873450010A0DC408F3803DF265021B" type="personal">
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<mods:roleTerm id="4C396DF8C00C8D916186287E68F18664">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="900378032BBC8EB6A486407857265425">Kopalová, Kateřina</mods:namePart>
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<mods:affiliation id="FF795F00CB1F82144F6C7598037134A7">Charles University in Prague, Faculty of Science, Department of Ecology, Viničná 7, CZ- 12844 Prague 2, Czech Republic</mods:affiliation>
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</mods:name>
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<mods:typeOfResource id="73AEF5BA3CC908F15538996964628394">text</mods:typeOfResource>
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<mods:title id="809A60756B689BD342FB85FD4296F964">European Journal of Taxonomy</mods:title>
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</mods:titleInfo>
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<mods:part id="F606118C2F6F2CC859AE620C95A64744">
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<mods:date id="718622AD06D77B592B7243865AC675D9">2014</mods:date>
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<mods:number id="DF892992113B684413B1B737A5F01953">2014-04-07</mods:number>
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<mods:number id="D69245C832C32A558DFD67269D9A8CDC">79</mods:number>
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<mods:classification id="50C385B02A4626D50C5DD668ADBC2707">journal article</mods:classification>
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<mods:identifier id="DE4B6DC6E2C20CD1F732C97FB7C75A9A" type="CLB-Dataset">22014</mods:identifier>
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<mods:identifier id="9715BCCD0DD3CBB5248249F9460571D0" type="DOI">10.5852/ejt.2014.79</mods:identifier>
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<mods:identifier id="B639D82C7C6527629B397C01D11ED131" type="ISSN">2118-9773</mods:identifier>
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<treatment id="EA238799B911ED6F8173FD06FE49FB4C" ID-DOI="http://doi.org/10.5281/zenodo.3851709" ID-GBIF-Taxon="164241228" ID-Zenodo-Dep="3851709" LSID="urn:lsid:plazi:treatment:EA238799B911ED6F8173FD06FE49FB4C" httpUri="http://treatment.plazi.org/id/EA238799B911ED6F8173FD06FE49FB4C" lastPageId="8" lastPageNumber="8" pageId="7" pageNumber="8">
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<subSubSection id="2A906504B911ED608173FD06FB0CF8F9" box="[340,1247,703,730]" pageId="7" pageNumber="8" type="nomenclature">
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<paragraph id="6235368FB911ED608173FD06FB0CF8F9" blockId="7.[340,1247,703,766]" box="[340,1247,703,730]" pageId="7" pageNumber="8">
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<heading id="397D81E3B911ED608173FD06FB0CF8F9" box="[340,1247,703,730]" centered="true" fontSize="11" level="2" pageId="7" pageNumber="8" reason="2">
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<taxonomicName id="A58A4D0CB911ED608173FD06FC04F8F9" authority="Van de Vijver in Zidarova et al." authorityName="Van de Vijver in Zidarova" box="[340,983,703,730]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="lailae">
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<emphasis id="50FEEA9DB911ED608173FD06FD8EF8FA" bold="true" box="[340,605,703,730]" italics="true" pageId="7" pageNumber="8">Achnanthidium lailae</emphasis>
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Van de Vijver
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<emphasis id="50FEEA9DB911ED60832BFD79FCF0F8F9" box="[780,803,704,729]" italics="true" pageId="7" pageNumber="8">in</emphasis>
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Zidarova
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<emphasis id="50FEEA9DB911ED6083BBFD79FC04F8F9" box="[924,983,703,729]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
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</taxonomicName>
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(
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<bibRefCitation id="061B4B7EB911ED6083C1FD06FB04F8F9" author="Zidarova R. & Van de Vijver B. & Mataloni G. & Kopalova K. & Nedbalova L." box="[998,1239,703,729]" pageId="7" pageNumber="8" pagination="295 - 310" refId="ref10911" refString="Zidarova R., Van de Vijver B., Mataloni G., Kopalova K. & Nedbalova L. 2009. Four new freshwater diatom species (Bacillariophyceae) from Antarctica. Cryptogamie, Algologie 30: 295 - 310." type="journal article" year="2009">
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Zidarova
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<emphasis id="50FEEA9DB911ED60847EFD79FB47F8F9" box="[1113,1172,703,729]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
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2009
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</bibRefCitation>
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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="2A906504B911ED6082FCFD5AFC8AF8DE" box="[731,857,739,766]" pageId="7" pageNumber="8" type="description">
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<paragraph id="6235368FB911ED6082FCFD5AFC8AF8DE" blockId="7.[340,1247,703,766]" box="[731,857,739,766]" pageId="7" pageNumber="8">
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<figureCitation id="FAB12A0AB911ED6082FCFD5AFC8AF8DE" box="[731,857,739,766]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 54-77</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="2A906504B911ED60809AFC9CFC8DFCE6" pageId="7" pageNumber="8" type="description">
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<paragraph id="6235368FB911ED60809AFC9CFDC9F91F" blockId="7.[189,538,805,831]" box="[189,538,805,831]" pageId="7" pageNumber="8">
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<heading id="397D81E3B911ED60809AFC9CFDC9F91F" bold="true" box="[189,538,805,831]" fontSize="11" level="3" pageId="7" pageNumber="8" reason="3">
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<emphasis id="50FEEA9DB911ED60809AFC9CFDC9F91F" bold="true" box="[189,538,805,831]" pageId="7" pageNumber="8">Morphological observations</emphasis>
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</heading>
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</paragraph>
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<paragraph id="6235368FB911ED6080CDFCEDFD8CF94E" blockId="7.[189,1399,852,1309]" box="[234,607,852,878]" pageId="7" pageNumber="8">
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<emphasis id="50FEEA9DB911ED6080CDFCEDFD8CF94E" bold="true" box="[234,607,852,878]" pageId="7" pageNumber="8">
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Light microscopy (
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<figureCitation id="FAB12A0AB911ED6081F3FCEDFD84F94E" box="[468,599,852,878]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 54-74</figureCitation>
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)
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</emphasis>
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</paragraph>
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<paragraph id="6235368FB911ED60809AFCC1FB5EFF3D" blockId="7.[189,1399,852,1309]" pageId="7" pageNumber="8">
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Frustules in girdle view narrow, rectangular, bent around the transapical axis, apices weakly recurved (
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<figureCitation id="FAB12A0AB911ED6080E2FC25FE99F997" box="[197,330,924,951]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 54-56</figureCitation>
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).Valves linear to very slightly linear-lanceolate with almost parallel margins and nonprotracted, broadly rounded, never rostrate or capitate apices (
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<figureCitation id="FAB12A0AB911ED608380FC79FBFEF9FB" box="[935,1069,960,987]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 57-74</figureCitation>
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). Valve dimensions (n=30): length
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<quantity id="A5729B6AB911ED608136FC5DFE5DF9DE" box="[273,398,996,1022]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" metricValueMax="1.4" metricValueMin="1.0" pageId="7" pageNumber="8" unit="mm" value="12.0" valueMax="14.0" valueMin="10.0">10–14 µm</quantity>
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, valve width
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<quantity id="A5729B6AB911ED608212FC5DFD11F9DE" box="[565,706,996,1023]" metricMagnitude="-3" metricUnit="m" metricValue="2.15" metricValueMax="2.5" metricValueMin="1.8" pageId="7" pageNumber="8" unit="mm" value="2.15" valueMax="2.5" valueMin="1.8">1.8–2.5 µm</quantity>
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. Raphe valve (
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<figureCitation id="FAB12A0AB911ED60835FFC5DFC2FF9DF" box="[888,1020,996,1023]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 57-64</figureCitation>
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) concave with a rather narrow, linear to linear-lanceolate axial area, widening towards the central area. Central area forming a typical rectangular fascia. Shortened marginal striae occasionally present in the central area. Raphe straight to weakly undulating with inconspicuous straight proximal raphe endings. Distal raphe fissures not discernible in LM. Striae weakly but still distinctly radiate near the valve center, becoming more radiate near the apices,
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<quantity id="A5729B6AB911ED60815CFB2EFE37FE91" box="[379,484,1175,1201]" metricMagnitude="-1" metricUnit="m" metricValue="8.001" metricValueMax="8.382" metricValueMin="7.62" pageId="7" pageNumber="8" unit="in" value="31.5" valueMax="33.0" valueMin="30.0">30–33 in</quantity>
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<quantity id="A5729B6AB911ED6081CCFB2EFDEFFE92" box="[491,572,1175,1202]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="8" unit="mm" value="10.0">10 µm</quantity>
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. Rapheless valve (
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<figureCitation id="FAB12A0AB911ED608331FB2EFC4BFE92" box="[790,920,1175,1202]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 65-74</figureCitation>
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) slightly convex with moderately broad, clearly lanceolate axial area, widening near the valve centre. Central area elongated, rhombic lanceolate, never expanding into a fascia due to several longer marginal striae in the central area. Striae parallel to weakly radiate near the valve centre, more radiate near the apices,
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||
<quantity id="A5729B6AB911ED6083EDFABAFBE1FF3D" box="[970,1074,1283,1309]" metricMagnitude="-1" metricUnit="m" metricValue="7.366" metricValueMax="7.62" metricValueMin="7.112" pageId="7" pageNumber="8" unit="in" value="29.0" valueMax="30.0" valueMin="28.0">28–30 in</quantity>
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||
<quantity id="A5729B6AB911ED60841EFABAFB5AFF3D" box="[1081,1161,1283,1309]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="8" unit="mm" value="10.0">10 µm</quantity>
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||
.
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</paragraph>
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<paragraph id="6235368FB911ED6080CDFAFCFD29FF7F" blockId="7.[189,1399,1349,1734]" box="[234,762,1349,1375]" pageId="7" pageNumber="8">
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<emphasis id="50FEEA9DB911ED6080CDFAFCFD29FF7F" bold="true" box="[234,762,1349,1375]" pageId="7" pageNumber="8">
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Scanning electron microscopy (
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||
<figureCitation id="FAB12A0AB911ED608248FAFCFD21FF7F" box="[623,754,1349,1375]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 75-77</figureCitation>
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)
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</emphasis>
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</paragraph>
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<paragraph id="6235368FB911ED60809AFAD0FC8DFCE6" blockId="7.[189,1399,1349,1734]" pageId="7" pageNumber="8">
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Striae on the raphe valve composed of 2–3 small areolae (
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<figureCitation id="FAB12A0AB911ED6083AAFAD0FC3AFFA3" box="[909,1001,1385,1411]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Fig. 77</figureCitation>
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). Areolae close to the axial area and at the apices rounded. Marginal areolae sometimes narrow, transapically elongated and hence slit-like, sometimes fused with the second areola (
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<figureCitation id="FAB12A0AB911ED608333FA08FCBEFFEB" box="[788,877,1457,1483]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Fig. 77</figureCitation>
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). Striae of the rapheless valve composed of 2–3 rounded to slit-like external areola openings (
|
||
<figureCitation id="FAB12A0AB911ED608339FA6CFCA9FFCF" box="[798,890,1492,1519]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Fig. 75</figureCitation>
|
||
). Mantle areolae slit-like. Internal areolae openings covered by hymenes (
|
||
<figureCitation id="FAB12A0AB911ED60821EFA41FD15FC33" box="[569,710,1528,1555]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Figs 76, 77</figureCitation>
|
||
). When removed due to sample preparation, very narrow struts visible separating the areolae (
|
||
<figureCitation id="FAB12A0AB911ED608242F9A5FD6FFC17" box="[613,700,1564,1591]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Fig. 76</figureCitation>
|
||
). Raphe slightly undulating becoming narrower towards the apices (
|
||
<figureCitation id="FAB12A0AB911ED60813FF9F9FEA1FC7B" box="[280,370,1600,1627]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Fig. 77</figureCitation>
|
||
). Proximal raphe endings almost straight, inconspicuous. Distal raphe fissures weakly deflected, continuing slightly beyond the last striae, never onto the mantle (
|
||
<figureCitation id="FAB12A0AB911ED608403F9DDFBA8FC5F" box="[1060,1147,1636,1663]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Fig. 77</figureCitation>
|
||
). Internally, proximal raphe endings shortly bent into opposite directions, terminating in a thickened central pore (
|
||
<figureCitation id="FAB12A0AB911ED608528F931FABAFC83" box="[1295,1385,1672,1699]" captionStart="Figs 54-77" captionStartId="8.[189,241,1860,1886]" captionTargetBox="[189,1399,724,1818]" captionTargetId="figure@8.[189,1399,724,1818]" captionTargetPageId="8" captionText="Figs 54-77. Achnanthidium lailae Van de Vijver. Light and scanning electron micrographs of a population on Clearwater Mesa (James Ross Island). 54-56. LM views of some frustules in girdle view. 57-64. LM views of raphe valves. 65-74. LM views of rapheless valves. 75. SEM external view of an entire rapheless valve. 76. SEM internal view of an entire rapheless valve. 77. SEM external (right) and internal (left) view of an entire raphe valve. Scale bars represent 10 µm." figureDoi="http://doi.org/10.5281/zenodo.3835058" httpUri="https://zenodo.org/record/3835058/files/figure.png" pageId="7" pageNumber="8">Fig. 77</figureCitation>
|
||
). Distal raphe endings terminating on small helictoglossae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="2A906504B911ED6F809AF957FE49FB4C" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8" type="biology_ecology">
|
||
<paragraph id="6235368FB911ED60809AF957FCF3FD28" blockId="7.[189,800,1774,1800]" box="[189,800,1774,1800]" pageId="7" pageNumber="8">
|
||
<heading id="397D81E3B911ED60809AF957FCF3FD28" bold="true" box="[189,800,1774,1800]" fontSize="11" level="3" pageId="7" pageNumber="8" reason="3">
|
||
<emphasis id="50FEEA9DB911ED60809AF957FCF3FD28" bold="true" box="[189,800,1774,1800]" pageId="7" pageNumber="8">Ecology, distribution and associated diatom flora</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="6235368FB911ED6F809AF8A4FE49FB4C" blockId="7.[189,1399,1821,2028]" lastBlockId="8.[189,1398,267,364]" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
|
||
The
|
||
<typeStatus id="BD31882DB911ED6080D2F8A7FEFBFD18" box="[245,296,1822,1848]" pageId="7" pageNumber="8">type</typeStatus>
|
||
population was found in a large circumneutral lake (pH = 7.1) on Ulu Peninsula on James Ross Island (
|
||
<bibRefCitation id="061B4B7EB911ED608173F8F8FD9AFD7B" author="Zidarova R. & Van de Vijver B. & Mataloni G. & Kopalova K. & Nedbalova L." box="[340,585,1857,1883]" pageId="7" pageNumber="8" pagination="295 - 310" refId="ref10911" refString="Zidarova R., Van de Vijver B., Mataloni G., Kopalova K. & Nedbalova L. 2009. Four new freshwater diatom species (Bacillariophyceae) from Antarctica. Cryptogamie, Algologie 30: 295 - 310." type="journal article" year="2009">
|
||
Zidarova
|
||
<emphasis id="50FEEA9DB911ED6081E0F8FBFDD1FD7B" box="[455,514,1857,1883]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
|
||
2009
|
||
</bibRefCitation>
|
||
). Since then, several other large populations were discovered in lakes on Clearwater Mesa, a volcanic tableland on James Ross Island next to Ulu Peninsula. All populations were observed in alkaline lakes (pH 8.1–8.7) with relatively high conductivity (1000–2000 µS/cm). The samples were dominated by
|
||
<taxonomicName id="A58A4D0CB911ED608223F814FD49FDE7" authorityName="Z.Levkov" authorityYear="2009" baseAuthorityName="Cleve" box="[516,666,1965,1991]" class="Bacillariophyceae" family="Naviculaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="50FEEA9DB911ED608223F814FD49FDE7" box="[516,666,1965,1991]" italics="true" pageId="7" pageNumber="8">Halamphora</emphasis>
|
||
</taxonomicName>
|
||
sp.,
|
||
<taxonomicName id="A58A4D0CB911ED6082EAF814FB2EFDE7" authority="Zidarova et al." authorityName="Zidarova" box="[717,1277,1965,1991]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="australomicrostauron">
|
||
<emphasis id="50FEEA9DB911ED6082EAF814FB83FDE7" box="[717,1104,1965,1991]" italics="true" pageId="7" pageNumber="8">Pinnularia australomicrostauron</emphasis>
|
||
Zidarova
|
||
<emphasis id="50FEEA9DB911ED6084E3F817FB2EFDE7" box="[1220,1277,1965,1991]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
|
||
</taxonomicName>
|
||
(Zidarova
|
||
<emphasis id="50FEEA9DB911ED60809AF86BFF2AFDCB" box="[189,249,2001,2027]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
|
||
2012),
|
||
<taxonomicName id="A58A4D0CB911ED608170F868FE17FDCB" box="[343,452,2001,2027]" class="Monogenea" family="Capsalidae" genus="Nitzschia" kingdom="Animalia" order="Capsalidea" pageId="7" pageNumber="8" phylum="Platyhelminthes" rank="genus">
|
||
<emphasis id="50FEEA9DB911ED608170F868FE17FDCB" box="[343,452,2001,2027]" italics="true" pageId="7" pageNumber="8">Nitzschia</emphasis>
|
||
</taxonomicName>
|
||
cf.
|
||
<emphasis id="50FEEA9DB911ED6081D2F86BFDA4FDCB" box="[501,631,2002,2027]" italics="true" pageId="7" pageNumber="8">commutata</emphasis>
|
||
Grunow
|
||
<emphasis id="50FEEA9DB911ED6082CEF86BFCD3FDCB" box="[745,768,2002,2027]" italics="true" pageId="7" pageNumber="8">in</emphasis>
|
||
Cleve & Grunow, and
|
||
<taxonomicName id="A58A4D0CB911ED6F843FF868FDDAFB05" authority="(Breb.) Grunow in Cleve & Grunow" authorityName="Grunow in Cleve & Grunow" baseAuthorityName="Breb." class="Bacillariophyceae" family="Achnanthaceae" genus="Achnanthes" higherTaxonomySource="GBIF" kingdom="Chromista" lastPageId="8" lastPageNumber="9" order="Achnanthales" pageId="7" pageNumber="8" phylum="Bacillariophyta" rank="species" species="coarctata">
|
||
<emphasis id="50FEEA9DB911ED60843FF868FACAFDCB" box="[1048,1305,2001,2027]" italics="true" pageId="7" pageNumber="8">Achnanthes coarctata</emphasis>
|
||
(Bréb.) Grunow
|
||
<emphasis id="50FEEA9DB91EED6F8103FEB5FEE8FB05" box="[292,315,268,293]" italics="true" pageId="8" pageNumber="9">in</emphasis>
|
||
Cleve & Grunow
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="061B4B7EB91EED6F823FFEB2FCF6FB05" author="Cleve P. T. & Grunow A." box="[536,805,267,293]" pageId="8" pageNumber="9" pagination="2" refId="ref7895" refString="Cleve P. T. & Grunow A. 1880. Beitrage zur Kenntiss der Arctischen Diatomeen. Kongliga Svenska Vetenskaps-Akademiens Handlingar series 4, 17 (2), Kongliga Boktryckeriet, Stockholm." type="journal article" year="1880">Cleve & Grunow 1880</bibRefCitation>
|
||
) and
|
||
<emphasis id="50FEEA9DB91EED6F8343FEB2FBDAFB05" box="[868,1033,267,293]" italics="true" pageId="8" pageNumber="9">Gomphonema</emphasis>
|
||
sp. So far, no populations were found on other islands in the
|
||
<collectingRegion id="A04EF86DB91EED6F822AFE97FDA9FB68" box="[525,634,302,328]" country="Russia" name="Primorskiy" pageId="8" pageNumber="9">Maritime</collectingRegion>
|
||
Antarctic Region (
|
||
<bibRefCitation id="061B4B7EB91EED6F8372FE97FB1EFB69" author="Kopalova K. & Van de Vijver B." box="[853,1229,302,329]" pageId="8" pageNumber="9" pagination="239 - 253" refId="ref8470" refString="Kopalova K. & Van de Vijver B. 2013. Structure and ecology of freshwater benthic diatom communities from Byers Peninsula, Livingston Island, South Shetland Islands. Antarctic Science 25 (2): 239 - 253. http: // dx. doi. org / 10.1017 / S 0954102012000764" type="journal article" year="2013">Kopalová & Van de Vijver 2013</bibRefCitation>
|
||
, Van de Vijver
|
||
<emphasis id="50FEEA9DB91EED6F809AFEEAFF2BFB4C" box="[189,248,338,364]" italics="true" pageId="8" pageNumber="9">et al.</emphasis>
|
||
unpubl. res.).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |