226 lines
35 KiB
XML
226 lines
35 KiB
XML
<document id="3BDA14670FC381CEBFC1F9EC6955A547" ID-DOI="10.5252/cryptogamie-algologie2022v43a2" ID-ISSN="1776-0984" 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="1719008991518" checkinUser="felipe" docAuthor="Al-Handal, Adil Y., Al-Shaheen, Maitham A., Al-Saedy, Rehab N. & Wulff, Angela" docDate="2022" docId="039987EAFF8BFFAAFEF4FD0AFAE4CE61" docLanguage="en" docName="CryptogamieAlgologie.43.2.31-39.pdf" docOrigin="Cryptogamie, Algologie 20 (2)" docSource="http://dx.doi.org/10.5252/cryptogamie-algologie2022v43a2" docStyle="DocumentStyle:C31C23F805CBAD2BB1C6021F66949308.6:CryptogamieAlgologie.2019-.journal_article" docStyleId="C31C23F805CBAD2BB1C6021F66949308" docStyleName="CryptogamieAlgologie.2019-.journal_article" docStyleVersion="6" docTitle="Synedropsis abuflosensis Al-Handal, Al-Shaheen, Al-Saedy & Wulff 2022, sp. nov." docType="treatment" docVersion="1" lastPageNumber="34" masterDocId="FFA0FF92FF8EFFAFFFB1FFFFFFA7CC71" masterDocTitle="Synedropsis abuflosensis sp. nov., a new araphid diatom (Bacillariophyceae) from the Shatt Al-Arab River, Southern Iraq" masterLastPageNumber="39" masterPageNumber="31" pageNumber="34" updateTime="1719021457114" updateUser="GgImagineBatch" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="FDD8BF4B6FDBB338986EAC2C670B32BA">Synedropsis abuflosensis sp. nov., a new araphid diatom (Bacillariophyceae) from the Shatt Al-Arab River, Southern Iraq</mods:title>
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<mods:roleTerm id="0940687C2870824A0E22915CBE0D6A19">Author</mods:roleTerm>
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<mods:namePart id="8D3EC9A7A1A3C3F5F907928E2808BC3E">Al-Handal, Adil Y.</mods:namePart>
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<mods:affiliation id="17B9FC652D2AC7D104DC8794BCF48DDC">Department of Biological and Environmental Sciences, University of Gothenburg (Sweden) adil. yousif @ bioenv. gu. se (corresponding author)</mods:affiliation>
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<mods:name id="7844B14F9C52D2F8394FC5F67BA066C5" type="personal">
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<mods:roleTerm id="DD0BA273CFD3E80EBF0DD733CD5E1601">Author</mods:roleTerm>
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<mods:namePart id="034FED6DCFBC1E6D4308DE92B8ACB560">Al-Shaheen, Maitham A.</mods:namePart>
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<mods:affiliation id="4FE71E54975DE41DDD855491E4273DAA">Department of Ecology, College of Science, University of Basra (Iraq) maitham. alshaheen @ uobasrah. edu. iq</mods:affiliation>
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<mods:nameIdentifier id="E589D2E5A61298DE94F132EAC9AC04E7" type="email">alshaheen@uobasrah.edu.iq</mods:nameIdentifier>
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<mods:namePart id="50F1EE599548ABC7BB5DDCE7A5CA9E6F">Al-Saedy, Rehab N.</mods:namePart>
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<mods:affiliation id="47EC0B6C33A9B1DC57BBCB71405223B1">Department of Ecology, College of Science, University of Basra (Iraq) rehabalsaedy @ gmail. com</mods:affiliation>
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<mods:nameIdentifier id="83F474D0457864C5C0BEAEF0E140D5D7" type="email">rehabalsaedy@gmail.com</mods:nameIdentifier>
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<mods:namePart id="6289B346EF088AAF64769FA6C3243261">Wulff, Angela</mods:namePart>
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<mods:affiliation id="940CD5444E2522BCE32F4E5757363EE3">Department of Biological and Environmental Sciences, University of Gothenburg (Sweden) angela. wulff @ bioenv. gu. se</mods:affiliation>
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<mods:nameIdentifier id="45E6573BE173FF4EA6F08EDB6A6F9016" type="email">wulff@bioenv.gu.se</mods:nameIdentifier>
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<mods:title id="5B362FEF1FB7CF46D602DBA34A35F1FD">Cryptogamie, Algologie</mods:title>
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<mods:part id="4B85991BB9825F3290DC53268A34E963">
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<mods:date id="B7FF8A7104D539378839ABB0A58556B4">2022</mods:date>
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<mods:number id="84A901EDEF908EF955A669DC194F081D">2022-02-02</mods:number>
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<mods:url id="F3F8E9E68B1C7D5A8BF7CC25705C821E">http://dx.doi.org/10.5252/cryptogamie-algologie2022v43a2</mods:url>
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<mods:classification id="B1C3C774238B2459636F8867B846FBBE">journal article</mods:classification>
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<mods:identifier id="BD7C793BA9B467EFE4D0673FE3E093D5" type="DOI">10.5252/cryptogamie-algologie2022v43a2</mods:identifier>
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<mods:identifier id="215DD4F8D4000B8EBE74513AD84B3DAD" type="ISSN">1776-0984</mods:identifier>
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<treatment id="039987EAFF8BFFAAFEF4FD0AFAE4CE61" LSID="urn:lsid:plazi:treatment:039987EAFF8BFFAAFEF4FD0AFAE4CE61" httpUri="http://treatment.plazi.org/id/039987EAFF8BFFAAFEF4FD0AFAE4CE61" lastPageNumber="34" pageId="5" pageNumber="34">
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<subSubSection id="C32A6577FF8BFFAAFEF4FD0AFD78CF41" pageId="5" pageNumber="34" type="nomenclature">
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<heading id="D0C78190FF8BFFAAFEF4FD0AFD78CF41" centered="true" fontSize="11" level="2" pageId="5" pageNumber="34" reason="4">
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<taxonomicName id="4C304D7FFF8BFFAAFEF4FD0AFD27CF5E" authority="Al-Handal, Al-Shaheen, Al-Saedy & Wulff" authorityName="Al-Handal, Al-Shaheen, Al-Saedy & Wulff" authorityYear="2022" class="Bacillariophyceae" family="Fragilariaceae" genus="Synedropsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="5" pageNumber="34" phylum="Ochrophyta" rank="species" species="abuflosensis" status="sp. nov.">
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<emphasis id="B944EAEEFF8BFFAAFEF4FD0AFDE1CF61" bold="true" box="[325,582,757,784]" italics="true" pageId="5" pageNumber="34">Synedropsis abuflosensis</emphasis>
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Al-Handal, Al-Shaheen, Al-Saedy & Wulff
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,
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<taxonomicNameLabel id="A2775795FF8BFFAAFD3BFCE9FD78CF41" box="[650,735,790,816]" pageId="5" pageNumber="34" rank="species">sp. nov.</taxonomicNameLabel>
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<paragraph id="8B8F36FCFF8BFFAAFE20FCCAFE5DCF3E" blockId="5.[401,506,821,848]" box="[401,506,821,848]" pageId="5" pageNumber="34">
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<heading id="D0C78190FF8BFFAAFE20FCCAFE5DCF3E" box="[401,506,821,848]" centered="true" fontSize="11" level="3" pageId="5" pageNumber="34" reason="3">
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(
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<figureCitation id="130B2A79FF8BFFAAFE29FCCAFE56CF3E" box="[408,497,821,848]" captionStart-0="FIG" captionStart-1="FIG" captionStart-2="FIG" captionStartId-0="4.[132,143,1302,1320]" captionStartId-1="6.[132,143,1672,1690]" captionStartId-2="8.[132,143,1939,1957]" captionTargetBox-0="[178,1411,215,1259]" captionTargetBox-1="[311,1277,215,1630]" captionTargetBox-2="[214,1371,215,1828]" captionTargetId-0="figure-384@4.[154,1436,195,1294]" captionTargetId-1="figure-174@6.[297,1293,200,1647]" captionTargetId-2="figure-22@8.[185,1395,191,1851]" captionTargetPageId-0="4" captionTargetPageId-1="6" captionTargetPageId-2="8" captionText-0="FIG. 1. — LM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A-C, E, cleaned material showing variation in valve dimensions and outline; A, represents the holotype on slide deposited in the Botanischer Garten und Botanischer Museum (BGBM), Berlin, Germany under accession B 40 0045147; D, cell in girdle view; F, G, live cells in valve view showing the two elongated plastids occupying most of the valve. Scale bar: 10 µm." captionText-1="FIG. 2. — SEM microphotographs of Synedropsis abuflosensis sp.nov. from Shatt Al-Arab River,Iraq. A, B, external view of whole valve showing marginal uniseri- ate striae; C, D, internal view of the whole valve; E, cell in girdle view exhibiting curvature of the frustule. Scale bar: 10 µm." captionText-2="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">Figs 1-3</figureCitation>
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)
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</paragraph>
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<materialsCitation id="3B583CA1FF8BFFAAFF35FC90FD48CF81" collectionCode="BGBM" collectorName="Maitham A. Al-Shaheen & Rehab N. Al-Saedy." country="Germany" location="Berlin" pageId="5" pageNumber="34" specimenCount="2" stateProvince="Berlin" typeStatus="holotype">
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<typeStatus id="548B885EFF8BFFAAFF35FC90FF4BCFF4" box="[132,236,879,902]" pageId="5" pageNumber="34" type="holotype">HOLOTYPE</typeStatus>
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. — Permanent slide deposited in the Botanischer Garten und Botanischer Museum (
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<collectionCode id="ED21AE39FF8BFFAAFE38FC76FE71CFD0" box="[393,470,905,929]" pageId="5" pageNumber="34">BGBM</collectionCode>
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),
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<collectingRegion id="49F4F81EFF8BFFAAFE57FC77FD83CFD1" box="[486,548,904,928]" country="Germany" name="Berlin" pageId="5" pageNumber="34">Berlin</collectingRegion>
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,
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<collectingCountry id="F327766CFF8BFFAAFD9CFC76FD2ECFD0" box="[557,649,905,929]" name="Germany" pageId="5" pageNumber="34">Germany</collectingCountry>
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under accession number B 40 0045147. Collectors of specimens are
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<collectorName id="26C5532AFF8BFFAAFD25FC5CFF55CFA4" pageId="5" pageNumber="34">Maitham A. Al-Shaheen</collectorName>
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and
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<collectorName id="26C5532AFF8BFFAAFE93FC42FE46CFA4" box="[290,481,957,981]" pageId="5" pageNumber="34">Rehab N. Al-Saedy.</collectorName>
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<figureCitation id="130B2A79FF8BFFAAFE56FC42FDB9CFA7" box="[487,542,957,982]" captionStart="FIG" captionStartId="4.[132,143,1302,1320]" captionTargetBox="[178,1411,215,1259]" captionTargetId="figure-384@4.[154,1436,195,1294]" captionTargetPageId="4" captionText="FIG. 1. — LM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A-C, E, cleaned material showing variation in valve dimensions and outline; A, represents the holotype on slide deposited in the Botanischer Garten und Botanischer Museum (BGBM), Berlin, Germany under accession B 40 0045147; D, cell in girdle view; F, G, live cells in valve view showing the two elongated plastids occupying most of the valve. Scale bar: 10 µm." pageId="5" pageNumber="34">Fig. 1</figureCitation>
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illustrates the
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. PhycoBank registration number: http://phycobank.org/102683
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</materialsCitation>
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<paragraph id="8B8F36FCFF8BFFAAFF35FBF7FD2DC848" blockId="5.[132,775,1031,1082]" pageId="5" pageNumber="34">
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<materialsCitation id="3B583CA1FF8BFFAAFF35FBF7FD23C84B" collectionCode="TYPE, LOCALITY" country="Iraq" county="Southern" latitude="30.452223" location="Abu Flos region" longLatPrecision="20" longitude="48.033054" municipality="Shatt Al-Arab River" pageId="5" pageNumber="34" specimenCount="1">
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. —
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, eastern side of the
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<collectingMunicipality id="6BEBAC86FF8BFFAAFD1FFBF8FF48C84B" pageId="5" pageNumber="34">Shatt Al-Arab River</collectingMunicipality>
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,
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<collectingCounty id="62EE4E70FF8BFFAAFF48FBDDFEF4C84B" box="[249,339,1058,1082]" pageId="5" pageNumber="34">Southern</collectingCounty>
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<collectingCountry id="F327766CFF8BFFAAFEE8FBDDFE24C848" box="[345,387,1058,1081]" name="Iraq" pageId="5" pageNumber="34">Iraq</collectingCountry>
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,
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,
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<geoCoordinate id="EE04503BFF8BFFAAFDA3FBDDFD23C84B" box="[530,644,1058,1082]" degrees="48" direction="east" minutes="01" orientation="longitude" pageId="5" pageNumber="34" precision="15" seconds="59" value="48.033054">48°01’59”E</geoCoordinate>
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</materialsCitation>
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.
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</paragraph>
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<subSubSection id="C32A6577FF8BFFAAFF35FBADFF48C8F5" pageId="5" pageNumber="34" type="etymology">
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<paragraph id="8B8F36FCFF8BFFAAFF35FBADFF48C8F5" blockId="5.[132,775,1106,1156]" pageId="5" pageNumber="34">
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. — The epithet refers to the locality where the species was found.
|
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</paragraph>
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</subSubSection>
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<subSubSection id="C32A6577FF8BFFAAFF35FB63FE97C9CE" pageId="5" pageNumber="34" type="biology_ecology">
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<paragraph id="8B8F36FCFF8BFFAAFF35FB63FE97C9CE" blockId="5.[131,776,1180,1471]" pageId="5" pageNumber="34">
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. —
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||
<taxonomicName id="4C304D7FFF8BFFAAFEB8FB63FE2BC8C5" authorityName="Al-Handal & Al-Shaheen & Al-Saedy & Wulff" authorityYear="2022" box="[265,396,1180,1204]" class="Bacillariophyceae" family="Fragilariaceae" genus="Synedropsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="5" pageNumber="34" phylum="Ochrophyta" rank="species" species="abuflosensis" status="sp. nov.">
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<emphasis id="B944EAEEFF8BFFAAFEB8FB63FEB2C8C2" box="[265,277,1180,1203]" italics="true" pageId="5" pageNumber="34">S</emphasis>
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.
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||
<emphasis id="B944EAEEFF8BFFAAFE93FB63FE2BC8C5" box="[290,396,1180,1204]" italics="true" pageId="5" pageNumber="34">abuflosensis</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="A2775795FF8BFFAAFE20FB63FE7DC8C2" box="[401,474,1180,1203]" pageId="5" pageNumber="34" rank="species">sp. nov.</taxonomicNameLabel>
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appeared in moderate numbers in the Abu Flos samples. Water conductivity at time of collection was 7.1 µS cm-1 (salinity = 3.3 psu) and water temperature 33 °C. The new species did not appear in any of the other samples collected from several places along the river course, both up and downstream. It was found associated with a cyanobacterial mat, mainly formed by
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<taxonomicName id="4C304D7FFF8BFFAAFF32FAC2FE4AC924" box="[131,493,1341,1365]" class="Cyanophyceae" family="Oscillatoriaceae" genus="Oscillatoria" kingdom="Bacteria" order="Nostocales" pageId="5" pageNumber="34" phylum="Cyanobacteria" rank="species" species="undetermined">Oscillatoria Vaucher & Gomont spp.</taxonomicName>
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Other common diatom taxa present in the samples were
|
||
<taxonomicName id="4C304D7FFF8BFFAAFE2EFAA7FD04C901" authority="W. Smith" authorityName="W. Smith" authorityYear="1853" box="[415,675,1368,1392]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="5" pageNumber="34" phylum="Arthropoda" rank="species" species="obtusa">
|
||
<emphasis id="B944EAEEFF8BFFAAFE2EFAA7FD9BC901" box="[415,572,1368,1392]" italics="true" pageId="5" pageNumber="34">Nitzschia obtusa</emphasis>
|
||
W. Smith
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C304D7FFF8BFFAAFD01FAA7FE27C9FB" authority="(Kutzing) W. Smith" authorityName="W. Smith" baseAuthorityName="Kutzing" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="5" pageNumber="34" phylum="Arthropoda" rank="species" species="palea">
|
||
<emphasis id="B944EAEEFF8BFFAAFD01FAA7FF12C9FB" italics="true" pageId="5" pageNumber="34">Nitzschia palea</emphasis>
|
||
(Kützing) W. Smith
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C304D7FFF8BFFAAFE38FA8DFD07C9FB" authority="Grunow" authorityName="Grunow" authorityYear="1881" box="[393,672,1394,1418]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="5" pageNumber="34" phylum="Arthropoda" rank="species" species="elegantula">
|
||
<emphasis id="B944EAEEFF8BFFAAFE38FA8DFDE0C9FB" box="[393,583,1394,1418]" italics="true" pageId="5" pageNumber="34">Nitzschia elegantula</emphasis>
|
||
Grunow
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C304D7FFF8BFFAAFD1BFA8DFE78C9D4" authority="Al-Handal & Al-Shaheen" authorityName="Al-Handal & Al-Shaheen" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="5" pageNumber="34" phylum="Ochrophyta" rank="species" species="koensabbei">
|
||
<emphasis id="B944EAEEFF8BFFAAFD1BFA8DFF40C9D4" italics="true" pageId="5" pageNumber="34">Fragilaria koensabbei</emphasis>
|
||
Al-Handal & Al-Shaheen
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C304D7FFF8BFFAAFDBAFA72FE97C9CE" authority="(Al-Handal & Kociolek) Rioual." authorityName="Rioual." baseAuthorityName="Al-Handal & Kociolek" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="5" pageNumber="34" phylum="Ochrophyta" rank="species" species="iraqiensis">
|
||
<emphasis id="B944EAEEFF8BFFAAFDBAFA72FDBFC9D5" box="[523,536,1421,1444]" italics="true" pageId="5" pageNumber="34">F</emphasis>
|
||
.
|
||
<emphasis id="B944EAEEFF8BFFAAFD94FA72FDDCC9D5" box="[549,635,1421,1444]" italics="true" pageId="5" pageNumber="34">iraqiensis</emphasis>
|
||
(Al-Handal & Kociolek) Rioual.
|
||
</taxonomicName>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32A6577FF8BFFAAFF35FA0CFAE4CE61" pageId="5" pageNumber="34" type="description">
|
||
<paragraph id="8B8F36FCFF8BFFAAFF35FA0CFEB2CA7A" blockId="5.[132,277,1523,1549]" box="[132,277,1523,1549]" pageId="5" pageNumber="34">
|
||
<heading id="D0C78190FF8BFFAAFF35FA0CFEB2CA7A" box="[132,277,1523,1549]" fontSize="9" level="3" pageId="5" pageNumber="34" reason="5">
|
||
<smallCapsWord id="8D69A020FF8BFFAAFF35FA0CFEB2CA7A" baselines="1542,1542" box="[132,277,1523,1549]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Description" pageId="5" pageNumber="34">DESCRIPTION</smallCapsWord>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B8F36FCFF8BFFAAFF35F9EDFDCBCA9D" blockId="5.[130,777,1554,2028]" pageId="5" pageNumber="34">
|
||
Light microscope observations (LM) (
|
||
<figureCitation id="130B2A79FF8BFFAAFD90F9EDFDF8CA5C" box="[545,607,1554,1581]" captionStart="FIG" captionStartId="4.[132,143,1302,1320]" captionTargetBox="[178,1411,215,1259]" captionTargetId="figure-384@4.[154,1436,195,1294]" captionTargetPageId="4" captionText="FIG. 1. — LM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A-C, E, cleaned material showing variation in valve dimensions and outline; A, represents the holotype on slide deposited in the Botanischer Garten und Botanischer Museum (BGBM), Berlin, Germany under accession B 40 0045147; D, cell in girdle view; F, G, live cells in valve view showing the two elongated plastids occupying most of the valve. Scale bar: 10 µm." pageId="5" pageNumber="34">Fig. 1</figureCitation>
|
||
): Cells solitary, rarely in pairs, with two elongated plastids lying on both sides of the central area (
|
||
<figureCitation id="130B2A79FF8BFFAAFE36F9ADFE54CA1D" box="[391,499,1618,1645]" captionStart="FIG" captionStartId="4.[132,143,1302,1320]" captionTargetBox="[178,1411,215,1259]" captionTargetId="figure-384@4.[154,1436,195,1294]" captionTargetPageId="4" captionText="FIG. 1. — LM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A-C, E, cleaned material showing variation in valve dimensions and outline; A, represents the holotype on slide deposited in the Botanischer Garten und Botanischer Museum (BGBM), Berlin, Germany under accession B 40 0045147; D, cell in girdle view; F, G, live cells in valve view showing the two elongated plastids occupying most of the valve. Scale bar: 10 µm." pageId="5" pageNumber="34">Fig. 1F, G</figureCitation>
|
||
). Frustules linear in girdle view (
|
||
<figureCitation id="130B2A79FF8BFFAAFF75F98DFEBFCAFD" box="[196,280,1650,1676]" captionStart="FIG" captionStartId="4.[132,143,1302,1320]" captionTargetBox="[178,1411,215,1259]" captionTargetId="figure-384@4.[154,1436,195,1294]" captionTargetPageId="4" captionText="FIG. 1. — LM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A-C, E, cleaned material showing variation in valve dimensions and outline; A, represents the holotype on slide deposited in the Botanischer Garten und Botanischer Museum (BGBM), Berlin, Germany under accession B 40 0045147; D, cell in girdle view; F, G, live cells in valve view showing the two elongated plastids occupying most of the valve. Scale bar: 10 µm." pageId="5" pageNumber="34">Fig. 1D</figureCitation>
|
||
). Valves linear to weakly linear-lanceolate with rounded apices, slightly inflated in the middle, 32-38 µm long and 1.5-3.5 µm wide (n = 50). Striae resolvable in LM, appearing as very small dots on valve margin.
|
||
</paragraph>
|
||
<paragraph id="8B8F36FCFF8BFFAAFF2AF90DFAE4CE61" blockId="5.[130,777,1554,2028]" lastBlockId="5.[811,1456,215,529]" pageId="5" pageNumber="34">
|
||
Scanning electron microscope observations (SEM) (
|
||
<figureCitation id="130B2A79FF8BFFAAFD71F90DFD59CB7D" box="[704,766,1778,1804]" captionStart="FIG" captionStartId="6.[132,143,1672,1690]" captionTargetBox="[311,1277,215,1630]" captionTargetId="figure-174@6.[297,1293,200,1647]" captionTargetPageId="6" captionText="FIG. 2. — SEM microphotographs of Synedropsis abuflosensis sp.nov. from Shatt Al-Arab River,Iraq. A, B, external view of whole valve showing marginal uniseri- ate striae; C, D, internal view of the whole valve; E, cell in girdle view exhibiting curvature of the frustule. Scale bar: 10 µm." pageId="5" pageNumber="34">Figs2</figureCitation>
|
||
;
|
||
<figureCitation id="130B2A79FF8BFFAAFF35F8EDFF35CB5D" box="[132,146,1810,1836]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">3</figureCitation>
|
||
): Sternum wide in the middle, becoming narrower towards the apices. Central part of sternum reaches valve margins which are either devoid of striae or with delicate vestigial striae (
|
||
<figureCitation id="130B2A79FF8BFFAAFF7BF88EFE90CBFA" box="[202,311,1905,1932]" captionStart="FIG" captionStartId="6.[132,143,1672,1690]" captionTargetBox="[311,1277,215,1630]" captionTargetId="figure-174@6.[297,1293,200,1647]" captionTargetPageId="6" captionText="FIG. 2. — SEM microphotographs of Synedropsis abuflosensis sp.nov. from Shatt Al-Arab River,Iraq. A, B, external view of whole valve showing marginal uniseri- ate striae; C, D, internal view of the whole valve; E, cell in girdle view exhibiting curvature of the frustule. Scale bar: 10 µm." pageId="5" pageNumber="34">Fig. 2A, B</figureCitation>
|
||
). In some specimens the hyaline central part of the sternum is asymmetric, being wider along one valve margin (
|
||
<figureCitation id="130B2A79FF8BFFAAFF50F84EFEF2CBBA" box="[225,341,1969,1995]" captionStart="FIG" captionStartId="6.[132,143,1672,1690]" captionTargetBox="[311,1277,215,1630]" captionTargetId="figure-174@6.[297,1293,200,1647]" captionTargetPageId="6" captionText="FIG. 2. — SEM microphotographs of Synedropsis abuflosensis sp.nov. from Shatt Al-Arab River,Iraq. A, B, external view of whole valve showing marginal uniseri- ate striae; C, D, internal view of the whole valve; E, cell in girdle view exhibiting curvature of the frustule. Scale bar: 10 µm." pageId="5" pageNumber="34">Fig. 2A, D</figureCitation>
|
||
). Striae parallel, uniseriate, composed of rounded poroid areolae, one row is near the valve margin and the other on the mantle,
|
||
<quantity id="4CC89B19FF8BFFAAFB9CFF28FB2FCC80" box="[1069,1160,215,241]" metricMagnitude="-1" metricUnit="m" metricValue="5.842" metricValueMax="6.604" metricValueMin="5.08" pageId="5" pageNumber="34" unit="in" value="23.0" valueMax="26.0" valueMin="20.0">20-26 in</quantity>
|
||
10 µm (
|
||
<figureCitation id="130B2A79FF8BFFAAFB6FFF28FAD4CC83" box="[1246,1395,215,242]" captionStart="FIG" captionStartId="6.[132,143,1672,1690]" captionTargetBox="[311,1277,215,1630]" captionTargetId="figure-174@6.[297,1293,200,1647]" captionTargetPageId="6" captionText="FIG. 2. — SEM microphotographs of Synedropsis abuflosensis sp.nov. from Shatt Al-Arab River,Iraq. A, B, external view of whole valve showing marginal uniseri- ate striae; C, D, internal view of the whole valve; E, cell in girdle view exhibiting curvature of the frustule. Scale bar: 10 µm." pageId="5" pageNumber="34">Figs 2C, D, E</figureCitation>
|
||
;
|
||
<figureCitation id="130B2A79FF8BFFAAFACBFF28FA05CC80" box="[1402,1442,215,241]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">3D</figureCitation>
|
||
). Each areola is occluded by a velum (
|
||
<figureCitation id="130B2A79FF8BFFAAFB1BFF08FB5ECD63" box="[1194,1273,247,274]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">Fig. 3E</figureCitation>
|
||
, black arrows). A rimoportula is present at only one apex of the valve with its internal opening oriented apically, positioned mostly opposite to the second row of areolae (
|
||
<figureCitation id="130B2A79FF8BFFAAFBDAFEA8FB1BCD00" box="[1131,1212,343,369]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">Fig. 3B</figureCitation>
|
||
, arrow). The rimoportula opens externally as a small and irregular slit (
|
||
<figureCitation id="130B2A79FF8BFFAAFAFFFE88FA03CDE0" box="[1358,1444,375,401]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">Fig. 3A</figureCitation>
|
||
). The apical slit field is composed of parallel longitudinal slits, 4 at the valve pole with a rimoportula (
|
||
<figureCitation id="130B2A79FF8BFFAAFB60FE49FA87CDA0" box="[1233,1312,438,465]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">Fig. 3B</figureCitation>
|
||
) and 5 at the opposite pole (
|
||
<figureCitation id="130B2A79FF8BFFAAFC61FE29FB81CD81" box="[976,1062,470,496]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">Fig. 3C</figureCitation>
|
||
). The cingulum is composed of 3-4 delicate, open and non-porous copulae (
|
||
<figureCitation id="130B2A79FF8BFFAAFB51FE09FA92CE61" box="[1248,1333,502,528]" captionStart="FIG" captionStartId="8.[132,143,1939,1957]" captionTargetBox="[214,1371,215,1828]" captionTargetId="figure-22@8.[185,1395,191,1851]" captionTargetPageId="8" captionText="FIG. 3. — SEM microphotographs of Synedropsis abuflosensis sp. nov. from Shatt Al-Arab River, Iraq. A, external apical part of the valve showing the very small external opening of the rimoportula; B, internal apical part of the valve showing the apical orientation of the rimoportula and four apical slits in the slit field (white arrow);C, valve apex without rimoportula and five apical slits;D, girdle view of the frustule pole showing row of areolae on valve mantle and three cingular copulae; E, enlargement of areolae showing remains of vela which were damaged during the cleaning process. Scale bars: A-D, 2 µm; E, 1 µm." pageId="5" pageNumber="34">Fig. 3D</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |