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<document id="34E7E99F1CB773307B4E52F5313D6B49" ID-DOI="10.11646/phytotaxa.403.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13716427" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725649804421" checkinUser="felipe" docAuthor="Lee, Sang Deuk, Yun, Suk Min, Cho, Pyo Yun, Yang, Hye-Won &amp; Kim, Oe Jung" docDate="2019" docId="462D87B47F40FFF027C47FC112D9EBC4" docLanguage="en" docName="phytotaxa.403.3.1.pdf" docOrigin="Phytotaxa 403 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.403.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Achnanthidium atomus Monnier, Lange-Bertalot &amp; Ector 2004" docType="treatment" docVersion="2" lastPageNumber="152" masterDocId="BA14FFCC7F49FFF9274C7E5D101AEF09" masterDocTitle="Newly Recorded Species of Diatoms in the Source of Han and Nakdong Rivers, South Korea" masterLastPageNumber="170" masterPageNumber="143" pageNumber="152" updateTime="1725655933461" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="375E8B971674ADFDA697F3492BD32FDC">Newly Recorded Species of Diatoms in the Source of Han and Nakdong Rivers, South Korea</mods:title>
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<mods:namePart id="08EC7F3FB621AE61F921487F1AFF132F">Yun, Suk Min</mods:namePart>
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<mods:namePart id="4269C1EBC86D07A425AC4EDC1481E5EB">Cho, Pyo Yun</mods:namePart>
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<mods:namePart id="3297ABDE43940F186E90C470191BEE6C">Kim, Oe Jung</mods:namePart>
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<treatment id="462D87B47F40FFF027C47FC112D9EBC4" LSID="urn:lsid:plazi:treatment:462D87B47F40FFF027C47FC112D9EBC4" httpUri="http://treatment.plazi.org/id/462D87B47F40FFF027C47FC112D9EBC4" lastPageNumber="152" pageId="9" pageNumber="152">
<subSubSection id="869E65297F40FFF027C47FC11399EEF4" pageId="9" pageNumber="152" type="nomenclature">
<paragraph id="CE3B36A27F40FFF027C47FC11109EED0" blockId="9.[136,1452,412,1229]" pageId="9" pageNumber="152">
<heading id="957381CE7F40FFF027C47FC11109EED0" bold="true" fontSize="11" level="1" pageId="9" pageNumber="152" reason="1">
<emphasis id="FCF0EAB07F40FFF027C47FC114DEEEBC" bold="true" box="[136,1220,412,437]" pageId="9" pageNumber="152">
<taxonomicName id="09844D217F40FFF027C47FC113B0EEBC" authority="(Hustedt) Monnier, Lange-Bertalot &amp; Ector" authorityName="Monnier, Lange-Bertalot &amp; Ector" authorityYear="2004" baseAuthorityName="Hustedt" box="[136,938,412,437]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomus">
<emphasis id="FCF0EAB07F40FFF027C47FC11183EEBC" bold="true" box="[136,409,412,437]" italics="true" pageId="9" pageNumber="152">Achnanthidium atomus</emphasis>
(Hustedt) Monnier, Lange-Bertalot &amp; Ector
</taxonomicName>
in
<bibRefCitation id="AA154B537F40FFF024837FC114A0EEBC" author="Monnier, O. &amp; Lange-Bertalot, H. &amp; Rimet, F. &amp; Hoffman, L. &amp; Ector, L." box="[975,1210,412,437]" pageId="9" pageNumber="152" pagination="127 - 136" refId="ref13516" refString="Monnier, O., Lange-Bertalot, H., Rimet, F., Hoffman, L. &amp; Ector, L. (2004) Achnanthidium atomoides sp. nov., a new diatom from the Grand-duchy of Luxembourg Vie et Milieu 54: 127 - 136." type="journal article" year="2004">Monnier et al. 2004</bibRefCitation>
*
</emphasis>
<figureCitation id="56BF2A277F40FFF027C47F9D1109EED0" box="[136,275,448,473]" captionStart="FIGURES 27" captionStartId="2.[136,243,1946,1967]" captionTargetBox="[138,1449,461,1921]" captionTargetId="figure-130@2.[138,1449,461,1921]" captionTargetPageId="2" captionText="FIGURES 27. LM (4) and SEM (2, 3, 57) microphotographs. 25. Achnanthes sinaensis. 6, 7. Achnanthidium atomus. (Scale bars: 25 = 10 μm; 6, 7 = 1 μm)." figureDoi="http://doi.org/10.5281/zenodo.13716431" httpUri="https://zenodo.org/record/13716431/files/figure.png" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027C47F9D1109EED0" bold="true" box="[136,275,448,473]" pageId="9" pageNumber="152">Figures 6, 7</emphasis>
</figureCitation>
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</paragraph>
<paragraph id="CE3B36A27F40FFF027F17FB91399EEF4" blockId="9.[136,1452,412,1229]" box="[189,899,484,509]" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027F17FB911A3EEF4" bold="true" box="[189,441,484,509]" pageId="9" pageNumber="152">Original description:</emphasis>
<bibRefCitation id="AA154B537F40FFF0268C7FB912A9EEF4" author="Monnier, O. &amp; Lange-Bertalot, H. &amp; Rimet, F. &amp; Hoffman, L. &amp; Ector, L." box="[448,691,484,509]" pageId="9" pageNumber="152" pagination="127 - 136" refId="ref13516" refString="Monnier, O., Lange-Bertalot, H., Rimet, F., Hoffman, L. &amp; Ector, L. (2004) Achnanthidium atomoides sp. nov., a new diatom from the Grand-duchy of Luxembourg Vie et Milieu 54: 127 - 136." type="journal article" year="2004">
Monnier
<emphasis id="FCF0EAB07F40FFF0256B7FB91242EEF4" box="[551,600,484,509]" italics="true" pageId="9" pageNumber="152">et al</emphasis>
. (2004)
</bibRefCitation>
, p. 128, figs 141.
</paragraph>
</subSubSection>
<subSubSection id="869E65297F40FFF027F17C5511CCED84" pageId="9" pageNumber="152" type="key">
<paragraph id="CE3B36A27F40FFF027F17C551323ED28" blockId="9.[136,1452,412,1229]" box="[189,825,520,545]" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027F17C551175ED28" bold="true" box="[189,367,520,545]" pageId="9" pageNumber="152">Key literature:</emphasis>
<bibRefCitation id="AA154B537F40FFF0263A7C551270ED28" author="Monnier, O. &amp; Lange-Bertalot, H. &amp; Rimet, F. &amp; Hoffman, L. &amp; Ector, L." box="[374,618,520,545]" pageId="9" pageNumber="152" pagination="127 - 136" refId="ref13516" refString="Monnier, O., Lange-Bertalot, H., Rimet, F., Hoffman, L. &amp; Ector, L. (2004) Achnanthidium atomoides sp. nov., a new diatom from the Grand-duchy of Luxembourg Vie et Milieu 54: 127 - 136." type="journal article" year="2004">
Monnier
<emphasis id="FCF0EAB07F40FFF026917C551215ED28" box="[477,527,520,545]" italics="true" pageId="9" pageNumber="152">et al</emphasis>
. (2004)
</bibRefCitation>
, p. 128, figs 141.
</paragraph>
<paragraph id="CE3B36A27F40FFF027F17C711221ED4C" blockId="9.[136,1452,412,1229]" box="[189,571,556,581]" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027F17C7111AEED4C" bold="true" box="[189,436,556,581]" pageId="9" pageNumber="152">Specimen examined:</emphasis>
<tableCitation id="830603197F40FFF026F67C711202ED4C" box="[442,536,556,581]" captionStart="TABLE 1" captionStartId="7.[136,224,1097,1120]" captionText="TABLE 1. Samples used in this study." pageId="9" pageNumber="152">Tables 1</tableCitation>
,
<tableCitation id="830603197F40FFF0256A7C71122DED4C" box="[550,567,556,581]" captionStart="TABLE 2" captionStartId="14.[136,224,161,184]" captionText="TABLE 2. Checklist of diatom species from the source of Han and Nakdong Rivers in Korea" pageId="9" pageNumber="152">2</tableCitation>
.
</paragraph>
<paragraph id="CE3B36A27F40FFF027F17C0D11CCED84" blockId="9.[136,1452,412,1229]" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027F17C0D115CED60" bold="true" box="[189,326,592,617]" pageId="9" pageNumber="152">Dimension:</emphasis>
Length 6.17.1 μm, width 2.72.9 μm; 2628 striae in 10 μm on the raphe valve and 2122 striae in 10 μm on the rapheless valve.
</paragraph>
</subSubSection>
<subSubSection id="869E65297F40FFF027F17CC512FBEC6C" pageId="9" pageNumber="152" type="description">
<paragraph id="CE3B36A27F40FFF027F17CC512FBEC6C" blockId="9.[136,1452,412,1229]" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027F17CC5114BEDB8" bold="true" box="[189,337,664,689]" pageId="9" pageNumber="152">Description:</emphasis>
The valves are slightly linear-elliptic with round ends. The raphe valve concave and rapheless valve convex along transapical axis. The striae are uniseriate, extending on the valve face. The foramen of the areolae small and circular on the valves. The raphe branches are filiform, simple slit in the middle part, small pin-hole at the central raphe ends, deflected in one direction in the proximal raphe endings. The striae are interrupted at the valve face and mantle junction by a weakly thickened hyaline area, parallel throughout the valve length, terminal short striae slightly radial. The areolae are small and round in valve view.
</paragraph>
</subSubSection>
<subSubSection id="869E65297F40FFF027F17D2D152CEB10" pageId="9" pageNumber="152" type="discussion">
<paragraph id="CE3B36A27F40FFF027F17D2D152CEB10" blockId="9.[136,1452,412,1229]" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027F17D2D112EEC80" bold="true" box="[189,308,880,905]" pageId="9" pageNumber="152">Remarks:</emphasis>
<taxonomicName id="09844D217F40FFF026767D2D11B0EC80" authorityName="Monnier, Lange-Bertalot &amp; Ector" authorityYear="2004" baseAuthorityName="Hustedt" box="[314,426,880,905]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomus">
<emphasis id="FCF0EAB07F40FFF026767D2D11B0EC80" box="[314,426,880,905]" italics="true" pageId="9" pageNumber="152">A. atomus</emphasis>
</taxonomicName>
is closely related to
<taxonomicName id="09844D217F40FFF025C27D2D133AEC80" authorityName="O.Monnier, Lange-Bert. &amp; L.Ector" authorityYear="2004" box="[654,800,880,905]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomoides">
<emphasis id="FCF0EAB07F40FFF025C27D2D133AEC80" box="[654,800,880,905]" italics="true" pageId="9" pageNumber="152">A. atomoides</emphasis>
</taxonomicName>
from
<collectingRegion id="0C40F8407F40FFF024287D2D138CEC80" box="[868,918,880,905]" country="Indonesia" name="Jawa Timur" pageId="9" pageNumber="152">Java</collectingRegion>
and
<collectingRegion id="0C40F8407F40FFF024877D2D1432EC80" box="[971,1064,880,905]" country="Indonesia" name="Sumatera Utara" pageId="9" pageNumber="152">Sumatra</collectingRegion>
(
<collectingCountry id="B69376327F40FFF0237A7D2D14BCEC80" box="[1078,1190,880,905]" name="Indonesia" pageId="9" pageNumber="152">Indonesia</collectingCountry>
) (
<bibRefCitation id="AA154B537F40FFF023F07D2D15BAEC80" author="Monnier, O. &amp; Lange-Bertalot, H. &amp; Rimet, F. &amp; Hoffman, L. &amp; Ector, L." box="[1212,1440,880,905]" pageId="9" pageNumber="152" pagination="127 - 136" refId="ref13516" refString="Monnier, O., Lange-Bertalot, H., Rimet, F., Hoffman, L. &amp; Ector, L. (2004) Achnanthidium atomoides sp. nov., a new diatom from the Grand-duchy of Luxembourg Vie et Milieu 54: 127 - 136." type="journal article" year="2004">
Monnier
<emphasis id="FCF0EAB07F40FFF022697D2D154CEC80" box="[1317,1366,880,905]" italics="true" pageId="9" pageNumber="152">et al</emphasis>
. 2004
</bibRefCitation>
). It differs from commonly smaller valve sizes and by less spaced striae and areolae.
<taxonomicName id="09844D217F40FFF023767DC914B1ECA4" authorityName="Monnier, Lange-Bertalot &amp; Ector" authorityYear="2004" baseAuthorityName="Hustedt" box="[1082,1195,916,941]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomus">
<emphasis id="FCF0EAB07F40FFF023767DC914B1ECA4" box="[1082,1195,916,941]" italics="true" pageId="9" pageNumber="152">A. atomus</emphasis>
</taxonomicName>
has 1921 striae in 10 μm on the rapheless valve and 2226 striae in 10 μm on the raphe valve, contrary to 2228 and 2532 striae in
<taxonomicName id="09844D217F40FFF022DF7DE510E1ECFC" authorityName="O.Monnier, Lange-Bert. &amp; L.Ector" authorityYear="2004" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomoides">
<emphasis id="FCF0EAB07F40FFF022DF7DE510E1ECFC" italics="true" pageId="9" pageNumber="152">A. atomoides</emphasis>
</taxonomicName>
, respectively.
<taxonomicName id="09844D217F40FFF026D07D811234ECFC" authorityName="O.Monnier, Lange-Bert. &amp; L.Ector" authorityYear="2004" box="[412,558,988,1013]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomoides">
<emphasis id="FCF0EAB07F40FFF026D07D811234ECFC" box="[412,558,988,1013]" italics="true" pageId="9" pageNumber="152">A. atomoides</emphasis>
</taxonomicName>
has an average of 37 areolae in 10 μm in the rapheless valve and 45 striae in 10 μm in raphe valve, contrary to 50 areolae and 65 striae in
<taxonomicName id="09844D217F40FFF024437A5D13BBEB10" authorityName="O.Monnier, Lange-Bert. &amp; L.Ector" authorityYear="2004" box="[783,929,1024,1049]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomoides">
<emphasis id="FCF0EAB07F40FFF024437A5D13BBEB10" box="[783,929,1024,1049]" italics="true" pageId="9" pageNumber="152">A. atomoides</emphasis>
</taxonomicName>
, respectively (
<bibRefCitation id="AA154B537F40FFF023097A5D1530EB10" author="Monnier, O. &amp; Lange-Bertalot, H. &amp; Rimet, F. &amp; Hoffman, L. &amp; Ector, L." box="[1093,1322,1024,1049]" pageId="9" pageNumber="152" pagination="127 - 136" refId="ref13516" refString="Monnier, O., Lange-Bertalot, H., Rimet, F., Hoffman, L. &amp; Ector, L. (2004) Achnanthidium atomoides sp. nov., a new diatom from the Grand-duchy of Luxembourg Vie et Milieu 54: 127 - 136." type="journal article" year="2004">
Monnier
<emphasis id="FCF0EAB07F40FFF023E27A5D14FAEB10" box="[1198,1248,1024,1049]" italics="true" pageId="9" pageNumber="152">et al</emphasis>
. 2004
</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="869E65297F40FFF027F17A7912D9EBC4" pageId="9" pageNumber="152" type="distribution">
<paragraph id="CE3B36A27F40FFF027F17A7912D9EBC4" blockId="9.[136,1452,412,1229]" pageId="9" pageNumber="152">
<emphasis id="FCF0EAB07F40FFF027F17A7911F4EB34" bold="true" box="[189,494,1060,1085]" pageId="9" pageNumber="152">Distribution and ecology:</emphasis>
This species was found in two regions within Central and Northern Appalachia from Noth America (Ponader &amp;
<bibRefCitation id="AA154B537F40FFF026FE7A151247EB68" author="Potapova, M. &amp; Charles, D." box="[434,605,1096,1121]" pageId="9" pageNumber="152" pagination="48 - 70" refId="ref13985" refString="Potapova, M. &amp; Charles, D. (2007) Diatom metrics for monitoring eutrophication in rivers of the United States. Ecological Indicators 7: 48 - 70. https: // doi. org / 10.1016 / j. ecolind. 2005.10.001" type="journal article" year="2007">Potapova 2007</bibRefCitation>
). It mainly distributed in nutrient-poor rivers within a narrow pH range from 8 to 8.3 (Ponader &amp;
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), but over a wide range of conductivity levels with a preference towards higher values (Ponader &amp;
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). The pH and nutrients were major factors driving the distribution of
<taxonomicName id="09844D217F40FFF0224C7ACD10C3EBC4" authorityName="Monnier, Lange-Bertalot &amp; Ector" authorityYear="2004" baseAuthorityName="Hustedt" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="9" pageNumber="152" phylum="Ochrophyta" rank="species" species="atomus">
<emphasis id="FCF0EAB07F40FFF0224C7ACD10C3EBC4" italics="true" pageId="9" pageNumber="152">Achnanthidium atomus</emphasis>
</taxonomicName>
in Appalachia (Ponader &amp;
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).
</paragraph>
</subSubSection>
</treatment>
</document>