202 lines
42 KiB
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202 lines
42 KiB
XML
<document id="F96C7D051D0870F97D2F63C8EA00B16C" ID-DOI="10.11646/phytotaxa.184.3.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="5146632" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1627594940524" checkinUser="felipe" docAuthor="Vijver, Bart Van De" docDate="2014" docId="6B5EBD48FF892475FDD9835EFB533484" docLanguage="en" docName="Phytotaxa.184.3.139-147.pdf" docOrigin="Phytotaxa 184 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.184.3.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Brachysira sandrae Vijver 2014, sp. nov." docType="treatment" docVersion="3" lastPageNumber="144" masterDocId="9767C530FF8B2470FD518528FFF43458" masterDocTitle="Analysis of the type material of Navicula brachysira Brébisson with the description of Brachysira sandrae, a new raphid diatom (Bacillariophyceae) from Iles Kerguelen (TAAF, sub-Antarctica, southern Indian Ocean)" masterLastPageNumber="147" masterPageNumber="139" pageNumber="141" updateTime="1699030221441" updateUser="plazi" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="4F800EEEB33E321B279CD9073F7BAB12">Analysis of the type material of Navicula brachysira Brébisson with the description of Brachysira sandrae, a new raphid diatom (Bacillariophyceae) from Iles Kerguelen (TAAF, sub-Antarctica, southern Indian Ocean)</mods:title>
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<mods:name id="97F936DF1082F2754F920097D8BE1024" type="personal">
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<mods:namePart id="9AB54D965430C9191C471FB93683C340">Vijver, Bart Van De</mods:namePart>
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<mods:affiliation id="F85F60271ADBC1EA130B7D4C0A3A4FED">Botanic Garden Meise, Department of Bryophyta & Thallophyta, Nieuwelaan 38, B- 1860 Meise, Belgium (vandevijver @ br. fgov. be) University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B- 2610 Wilrijk, Belgium</mods:affiliation>
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<mods:typeOfResource id="C48B7C186FC28F1B2CBD4E2F05F7A142">text</mods:typeOfResource>
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<mods:title id="C7DCD68796046476944B5A962DF631BA">Phytotaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="3336272350078A25DFC63861C0FEA22D">
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<mods:date id="635EEE3FD90DBBCCB623225CD96BDE94">2014</mods:date>
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<mods:number id="733A40425EAB19A30852285E4EC77FEF">2014-11-05</mods:number>
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<mods:number id="F9839122622EAC67F97E8F9CB36DA09F">184</mods:number>
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<mods:url id="687B26C63880DD1E05DBCE1956FB743D">http://dx.doi.org/10.11646/phytotaxa.184.3.3</mods:url>
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<mods:classification id="A1AC94A5774111DDEB78E4DFA7E4D323">journal article</mods:classification>
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<mods:identifier id="A3576F35DF0491699D9E0812B764D141" type="DOI">10.11646/phytotaxa.184.3.3</mods:identifier>
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<mods:identifier id="073278489A1AA4A17C5DC8099AABC8BF" type="ISSN">1179-3163</mods:identifier>
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<treatment id="6B5EBD48FF892475FDD9835EFB533484" ID-DOI="http://doi.org/10.5281/zenodo.5149834" ID-Zenodo-Dep="5149834" LSID="urn:lsid:plazi:treatment:6B5EBD48FF892475FDD9835EFB533484" httpUri="http://treatment.plazi.org/id/6B5EBD48FF892475FDD9835EFB533484" lastPageId="5" lastPageNumber="144" pageId="2" pageNumber="141">
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<subSubSection id="ABED5FD5FF892472FDD9835EFD5C32C9" box="[136,680,1654,1681]" pageId="2" pageNumber="141" type="nomenclature">
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<paragraph id="E3480C5EFF892472FDD9835EFD5C32C9" blockId="2.[136,680,1654,1681]" box="[136,680,1654,1681]" pageId="2" pageNumber="141">
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<heading id="B800BB32FF892472FDD9835EFD5C32C9" box="[136,680,1654,1681]" fontSize="11" level="2" pageId="2" pageNumber="141" reason="3">
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<emphasis id="D183D04CFF892472FDD9835EFE3F32C9" bold="true" box="[136,459,1654,1681]" pageId="2" pageNumber="141">
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<taxonomicName id="24F777DDFF892472FDD9835EFE9F32C9" authority="Vijver, 2014" authorityName="Vijver" authorityYear="2014" box="[136,363,1654,1681]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="2" pageNumber="141" phylum="Bacillariophyta" rank="species" species="sandrae" status="sp. nov.">
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<emphasis id="D183D04CFF892472FDD9835EFE9F32C9" bold="true" box="[136,363,1654,1681]" italics="true" pageId="2" pageNumber="141">Brachysira sandrae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="CAB06D37FF892472FC20835FFE3F32C9" box="[369,459,1655,1681]" pageId="2" pageNumber="141" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="7BCC10DBFF892472FC8B835EFD5432C9" box="[474,672,1654,1681]" captionStart-0="FIGURES 2–41" captionStart-1="FIGURES 42–47" captionStartId-0="3.[136,243,1419,1441]" captionStartId-1="4.[136,243,1811,1833]" captionTargetBox-0="[151,1435,190,1395]" captionTargetBox-1="[202,1385,281,1786]" captionTargetId-0="figure-17@3.[151,1435,190,1395]" captionTargetId-1="figure-93@4.[202,1385,281,1786]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionText-0="FIGURES 2–41. LM. Brachysira sandrae (2–26) and Navicula brachysira (27–41). Figs 2–26. Brachysira sandrae, pictures taken from the holotype population (sample B13) from the Val Travers area. Figs 27–41. Navicula brachysira, pictures taken from the type population found in material collected by A. de Brébisson in Falaise and deposited in the Botanic Garden Meise. Scale bar represents 10 µm." captionText-1="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi-0="http://doi.org/10.5281/zenodo.5146636" figureDoi-1="http://doi.org/10.5281/zenodo.5146638" httpUri-0="https://zenodo.org/record/5146636/files/figure.png" httpUri-1="https://zenodo.org/record/5146638/files/figure.png" pageId="2" pageNumber="141">Figs 2–26, 41–47</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="ABED5FD5FF892473FDD983EAFED433E6" lastPageId="3" lastPageNumber="142" pageId="2" pageNumber="141" type="materials_examined">
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<paragraph id="E3480C5EFF892472FDD983EAFD9C32A4" blockId="2.[136,1451,1730,1788]" pageId="2" pageNumber="141">
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<emphasis id="D183D04CFF892472FDD983EAFF4E328F" bold="true" box="[136,186,1730,1751]" pageId="2" pageNumber="141">Type</emphasis>
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:—
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<materialsCitation id="539F0603FF892472FD8783EAFD9132A4" collectingDate="2005-01-31" collectionCode="BR, PLP" collectorName="M. Lebouvier" country="Belgium" location="Val Travers" municipality="University of Antwerp" pageId="2" pageNumber="141" specimenCount="1" typeStatus="holotype">
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KERGUELEN.
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<location id="E6285A85FF892472FC2483EAFE133280" LSID="urn:lsid:plazi:treatment:6B5EBD48FF892475FDD9835EFB533484:E6285A85FF892472FC2483EAFE133280" box="[373,487,1730,1752]" country="Belgium" municipality="University of Antwerp" name="Val Travers" pageId="2" pageNumber="141">Val Travers</location>
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, sample B13, leg.
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<collectorName id="4E026988FF892472FFCA83EBFCD63280" box="[667,802,1730,1752]" pageId="2" pageNumber="141">M. Lebouvier</collectorName>
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, coll. date
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<date id="97492A9EFF892472FEDD83EAFC0D3280" box="[908,1017,1730,1752]" pageId="2" pageNumber="141" value="2005-01-31">
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<collectingDate id="870DD376FF892472FEDD83EAFC0D3280" box="[908,1017,1730,1752]" pageId="2" pageNumber="141" value="2005-01-31">31/01/2005</collectingDate>
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</date>
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(
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<typeStatus id="3C4CB2FCFF892472F95683EAFBAB3280" box="[1031,1119,1730,1752]" pageId="2" pageNumber="141" type="holotype">holotype</typeStatus>
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, slide no.
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<collectionCode id="85E6949BFF892472F99383EAFB16328F" box="[1218,1250,1730,1751]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="2" pageNumber="141">BR</collectionCode>
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–4390; isotype, slide
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<collectionCode id="85E6949BFF892472FDEC83CEFF1C32A4" box="[189,232,1766,1788]" country="India" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15781" lsid="urn:lsid:biocol.org:col:15781" name="Institute of Himalayan Bioresource Technology" pageId="2" pageNumber="141" type="Herbarium">PLP</collectionCode>
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–275,
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<collectingMunicipality id="032C9624FF892472FC7283CEFE0932A3" box="[291,509,1766,1788]" pageId="2" pageNumber="141">University of Antwerp</collectingMunicipality>
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,
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<collectingCountry id="9BE04CCEFF892472FF5683CEFDAA32A4" box="[519,606,1766,1788]" name="Belgium" pageId="2" pageNumber="141">Belgium</collectingCountry>
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)
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="E3480C5EFF892472FDD98203FD3F33A0" blockId="2.[136,1452,1834,2041]" pageId="2" pageNumber="141">
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<emphasis id="D183D04CFF892472FDD98203FF41331D" bold="true" box="[136,181,1835,1861]" pageId="2" pageNumber="141">LM</emphasis>
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(
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<figureCitation id="7BCC10DBFF892472FD948202FECD331D" box="[197,313,1834,1861]" captionStart="FIGURES 2–41" captionStartId="3.[136,243,1419,1441]" captionTargetBox="[151,1435,190,1395]" captionTargetId="figure-17@3.[151,1435,190,1395]" captionTargetPageId="3" captionText="FIGURES 2–41. LM. Brachysira sandrae (2–26) and Navicula brachysira (27–41). Figs 2–26. Brachysira sandrae, pictures taken from the holotype population (sample B13) from the Val Travers area. Figs 27–41. Navicula brachysira, pictures taken from the type population found in material collected by A. de Brébisson in Falaise and deposited in the Botanic Garden Meise. Scale bar represents 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5146636" httpUri="https://zenodo.org/record/5146636/files/figure.png" pageId="2" pageNumber="141">Figs 2–26</figureCitation>
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):—Cells solitary. Valves narrowly lanceolate to rhombic lanceolate with convex margins and clearly protracted, rostrate, rounded apices. Smaller specimens with less protracted though still clearly rostrate apices. Valve dimensions (n=50): length 21–40 µm, width 5.4–7.1 µm.Axial area very narrow, linear. Central area small, symmetrical, rounded to elliptical due to shortened central striae. Raphe straight, filiform with simple, straight proximal endings. Distal raphe endings not visible in LM. Striae lineate, uniseriate, radiate throughout the entire valve,
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<quantity id="240FA1BBFF892472F9A38293FAA1338C" box="[1266,1365,1978,2005]" metricMagnitude="-1" metricUnit="m" metricValue="7.62" metricValueMax="7.874" metricValueMin="7.366" pageId="2" pageNumber="141" unit="in" value="30.0" valueMax="31.0" valueMin="29.0">29–31 in</quantity>
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10 µm, composed of
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<quantity id="240FA1BBFF892472FC4E82F7FE9233A0" box="[287,358,2014,2041]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" metricValueMax="10.16" metricValueMin="5.08" pageId="2" pageNumber="141" unit="in" value="3.0" valueMax="4.0" valueMin="2.0">2–4 in</quantity>
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LM clearly discernible areolae.
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</paragraph>
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<caption id="B7885CD6FF882473FDD980A3FA9131B1" ID-DOI="http://doi.org/10.5281/zenodo.5146636" ID-Zenodo-Dep="5146636" httpUri="https://zenodo.org/record/5146636/files/figure.png" pageId="3" pageNumber="142" startId="3.[136,243,1419,1441]" targetBox="[151,1435,190,1395]" targetPageId="3">
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<paragraph id="E3480C5EFF882473FDD980A3FA9131B1" blockId="3.[136,1452,1419,1513]" pageId="3" pageNumber="142">
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<emphasis id="D183D04CFF882473FDD980A3FEDA31F8" bold="true" box="[136,302,1419,1441]" pageId="3" pageNumber="142">FIGURES 2–41.</emphasis>
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LM.
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<taxonomicName id="24F777DDFF882473FC3480A3FDD731F8" authorityName="Vijver" authorityYear="2014" box="[357,547,1419,1440]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="142" phylum="Bacillariophyta" rank="species" species="sandrae">
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<emphasis id="D183D04CFF882473FC3480A3FDD731F8" box="[357,547,1419,1440]" italics="true" pageId="3" pageNumber="142">Brachysira sandrae</emphasis>
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</taxonomicName>
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(2–26) and
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<taxonomicName id="24F777DDFF882473FFC980A3FCA931F8" authorityName="Brebisson ex Rabenhorst" authorityYear="1853" box="[664,861,1419,1440]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="142" phylum="Ochrophyta" rank="species" species="brachysira">
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<emphasis id="D183D04CFF882473FFC980A3FCA931F8" box="[664,861,1419,1440]" italics="true" pageId="3" pageNumber="142">Navicula brachysira</emphasis>
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</taxonomicName>
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(27–41). Figs 2–26.
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<taxonomicName id="24F777DDFF882473F97780A3FB1031F8" authorityName="Vijver" authorityYear="2014" box="[1062,1252,1419,1440]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="142" phylum="Bacillariophyta" rank="species" species="sandrae">
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<emphasis id="D183D04CFF882473F97780A3FB1031F8" box="[1062,1252,1419,1440]" italics="true" pageId="3" pageNumber="142">Brachysira sandrae</emphasis>
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</taxonomicName>
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, pictures taken from the holotype population (sample B13) from the Val Travers area. Figs 27–41.
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<taxonomicName id="24F777DDFF882473FE368087FBDF319C" authorityName="Brebisson ex Rabenhorst" authorityYear="1853" box="[871,1067,1455,1476]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="142" phylum="Ochrophyta" rank="species" species="brachysira">
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<emphasis id="D183D04CFF882473FE368087FBDF319C" box="[871,1067,1455,1476]" italics="true" pageId="3" pageNumber="142">Navicula brachysira</emphasis>
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</taxonomicName>
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, pictures taken from the type population found in material collected by A. de Brébisson in Falaise and deposited in the Botanic Garden Meise. Scale bar represents 10 µm.
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</paragraph>
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</caption>
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<paragraph id="E3480C5EFF882473FDEC833FFED433E6" blockId="3.[136,1452,1559,2091]" pageId="3" pageNumber="142">
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<emphasis id="D183D04CFF882473FDEC833FFE6D3269" bold="true" box="[189,409,1559,1585]" pageId="3" pageNumber="142">
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SEM (
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<figureCitation id="7BCC10DBFF882473FC5D833FFE653269" box="[268,401,1559,1585]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Figs 42–47</figureCitation>
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)
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</emphasis>
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:–Valves entirely surrounded by an elevated ridge, clearly thickened near the valve apices (
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<figureCitation id="7BCC10DBFF882473FDC18314FEE6320E" box="[144,274,1596,1622]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Figs 42, 43</figureCitation>
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). Striae uniseriate composed of a series of 2–4 (near the apices usually 1) transapically elongated areolae. Areolae per stria showing an irregular length, the outer row usually being the longest, producing apically running hyaline undulations on the valve surface. Areolae foramina with small indentations (
|
||
<figureCitation id="7BCC10DBFF882473F93583ACFB1B32C7" box="[1124,1263,1668,1695]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Figs 44, 45</figureCitation>
|
||
). Small papillae present on the interstriae, usually 5–7 per interstriae, but number rapidly declining towards the apices (
|
||
<figureCitation id="7BCC10DBFF882473F9A78380FABE329A" box="[1270,1354,1704,1730]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 42</figureCitation>
|
||
). Mantle striae composed of one elongated bacilliform areola (
|
||
<figureCitation id="7BCC10DBFF882473FFB883E4FCCB32BE" box="[745,831,1740,1766]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 43</figureCitation>
|
||
). Near the apices, mantle striae closer together. Raphe branches bordered by an elevated ridge running from the central area to the apices, never fusing with the marginal ridge (
|
||
<figureCitation id="7BCC10DBFF882473FD81823CFEA53377" box="[208,337,1812,1839]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Figs 44, 45</figureCitation>
|
||
). Raphe straight with inconspicuous, simple proximal endings (
|
||
<figureCitation id="7BCC10DBFF882473F943823CFB963376" box="[1042,1122,1812,1838]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 44</figureCitation>
|
||
) and short, straight to weakly deflected distal endings (
|
||
<figureCitation id="7BCC10DBFF882473FCF28210FE0D330B" box="[419,505,1848,1875]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 45</figureCitation>
|
||
). T-shaped raphe endings only weakly and irregularly developed. Internally, central area symmetrical (
|
||
<figureCitation id="7BCC10DBFF882473FC0A8274FE5B332F" box="[347,431,1884,1911]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 46</figureCitation>
|
||
) to asymmetrical (
|
||
<figureCitation id="7BCC10DBFF882473FFD68274FD29332E" box="[647,733,1884,1910]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 47</figureCitation>
|
||
). Proximal raphe endings unilaterally bent (
|
||
<figureCitation id="7BCC10DBFF882473F9858274FAD3332F" box="[1236,1319,1884,1911]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 46</figureCitation>
|
||
) to straight (
|
||
<figureCitation id="7BCC10DBFF882473FDC182A8FF1033C2" box="[144,228,1920,1946]" captionStart="FIGURES 42–47" captionStartId="4.[136,243,1811,1833]" captionTargetBox="[202,1385,281,1786]" captionTargetId="figure-93@4.[202,1385,281,1786]" captionTargetPageId="4" captionText="FIGURES 42–47. Brachysira sandrae. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="3" pageNumber="142">Fig. 47</figureCitation>
|
||
). Distal raphe endings terminating on weakly raised helictoglossae. Due to erosion, internal areolar occlusions not observed.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="ABED5FD5FF882474FDEC82E0FBBA3558" lastPageId="4" lastPageNumber="143" pageId="3" pageNumber="142" type="biology_ecology">
|
||
<paragraph id="E3480C5EFF882474FDEC82E0FBBA3558" blockId="3.[136,1452,1559,2091]" lastBlockId="4.[136,1451,158,257]" lastPageId="4" lastPageNumber="143" pageId="3" pageNumber="142">
|
||
<emphasis id="D183D04CFF882473FDEC82E0FE0533B9" bold="true" box="[189,497,1991,2018]" pageId="3" pageNumber="142">Ecology and Distribution</emphasis>
|
||
:–
|
||
<taxonomicName id="24F777DDFF882473FF5682E0FD1C33BA" authorityName="Vijver" authorityYear="2014" box="[519,744,1992,2018]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="3" pageNumber="142" phylum="Bacillariophyta" rank="species" species="sandrae">
|
||
<emphasis id="D183D04CFF882473FF5682E0FD1C33BA" box="[519,744,1992,2018]" italics="true" pageId="3" pageNumber="142">Brachysira sandrae</emphasis>
|
||
</taxonomicName>
|
||
was found in several samples collected in some brooks and rivers in the Val Travers area (
|
||
<collectingRegion id="2133C2BCFF882473FCBD82C4FD933C5F" box="[492,615,2028,2055]" country="French Southern Territories" name="Iles Kerguelen" pageId="3" pageNumber="142">Kerguelen</collectingRegion>
|
||
). The samples were quite species-rich and dominated by
|
||
<taxonomicName id="24F777DDFF882473F85182C4FCA83C73" authority="Witkowski, Kulikovskiy & Riaux-Gobin (2012: 65)" authorityName="Witkowski, Kulikovskiy & Riaux-Gobin" authorityPageNumber="65" authorityYear="2012" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="142" phylum="Bacillariophyta" rank="species" species="sieminskae">
|
||
<emphasis id="D183D04CFF882473F85182C4FEF73C72" italics="true" pageId="3" pageNumber="142">Achnanthidium sieminskae</emphasis>
|
||
<bibRefCitation id="876671AFFF882473FC5A8D38FCA83C73" author="Witkowski, A. & Kulikovskiy, M. & Riaux-Gobin, C." box="[267,860,2064,2091]" pageId="3" pageNumber="142" pagination="61 - 68" refId="ref5832" refString="Witkowski, A., Kulikovskiy, M. & Riaux-Gobin, C. (2012) Achnanthidium sieminskae, a new diatom speceis from the Kerguelen Archipelago (Austral Islands). In: Wolowski, K., Kaczmarska, I., Ehreman, J. M. & Wojtal, A. Z. (Eds.) Current advances in algal taxonomy and its applications: phylogenetic, ecological and applied perspective, 61 - 68." type="book chapter" year="2012">Witkowski, Kulikovskiy & Riaux-Gobin (2012: 65)</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="24F777DDFF882473FE388D38FBD63C72" authorityName="B.Van de Vijver" authorityYear="2002" box="[873,1058,2064,2090]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="142" phylum="Bacillariophyta" rank="species" species="modestiforme">
|
||
<emphasis id="D183D04CFF882473FE388D38FBD63C72" box="[873,1058,2064,2090]" italics="true" pageId="3" pageNumber="142">A. modestiforme</emphasis>
|
||
</taxonomicName>
|
||
(Lange-Bert. in
|
||
<bibRefCitation id="876671AFFF882474F9B28D38FE9B34E0" author="Lange-Bertalot, H. & Krammer, K." lastPageId="4" lastPageNumber="143" pageId="3" pageNumber="142" pagination="1 - 393" refId="ref4967" refString="Lange-Bertalot, H. & Krammer, K. (1989) Achnanthes eine Monographie der Gattung mit Definition der Gattung Cocconeis und Nachtragen zu den Naviculaceae. Bibliotheca Diatomologica 18: 1 - 393." type="journal article" year="1989">Lange-Bertalot & Krammer 1989: 107</bibRefCitation>
|
||
) Van de Vijver (in
|
||
<bibRefCitation id="876671AFFF8F2474FF1A85B7FC6334E0" author="Van de Vijver, B. & Frenot, Y. & Beyens, L." box="[587,919,158,185]" pageId="4" pageNumber="143" pagination="1 - 412" refId="ref5593" refString="Van de Vijver, B., Frenot, Y. & Beyens, L. (2002) Freshwater diatoms from Ile de la Possession (Crozet archipelago, Subantarctica). Bibliotheca Diatomologica 46: 1 - 412." type="journal article" year="2002">
|
||
Van de Vijver
|
||
<emphasis id="D183D04CFF8F2474FFA185B7FCDE34E0" box="[752,810,158,184]" italics="true" pageId="4" pageNumber="143">et al.</emphasis>
|
||
2002: 17
|
||
</bibRefCitation>
|
||
) and several
|
||
<taxonomicName id="24F777DDFF8F2474F96085B6FB1334E0" box="[1073,1255,158,184]" class="Bacillariophyceae" family="Naviculaceae" genus="Psammothidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="143" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis id="D183D04CFF8F2474F96085B6FB1334E0" box="[1073,1255,158,184]" italics="true" pageId="4" pageNumber="143">Psammothidium</emphasis>
|
||
</taxonomicName>
|
||
taxa. The largest population was observed in sample B13, taken from the main hotspring at
|
||
<quantity id="240FA1BBFF8F2474FE8485EAFBFB3485" box="[981,1039,194,221]" metricMagnitude="1" metricUnit="m" metricValue="7.0" pageId="4" pageNumber="143" unit="m" value="70.0">70 m</quantity>
|
||
altitude with a water temperature of 62.4°C, a pH of 8 and a temperature of 18–20°C in the mosses floating on the surface.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="B7885CD6FF8F2474FDD9823BFEC43C7C" ID-DOI="http://doi.org/10.5281/zenodo.5146638" ID-Zenodo-Dep="5146638" httpUri="https://zenodo.org/record/5146638/files/figure.png" pageId="4" pageNumber="143" startId="4.[136,243,1811,1833]" targetBox="[202,1385,281,1786]" targetPageId="4">
|
||
<paragraph id="E3480C5EFF8F2474FDD9823BFEC43C7C" blockId="4.[136,1452,1811,2085]" pageId="4" pageNumber="143">
|
||
<emphasis id="D183D04CFF8F2474FDD9823BFECE3370" bold="true" box="[136,314,1811,1833]" pageId="4" pageNumber="143">FIGURES 42–47.</emphasis>
|
||
<taxonomicName id="24F777DDFF8F2474FC11823BFE0A3370" authorityName="Vijver" authorityYear="2014" box="[320,510,1811,1832]" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="4" pageNumber="143" phylum="Bacillariophyta" rank="species" species="sandrae">
|
||
<emphasis id="D183D04CFF8F2474FC11823BFE0A3370" box="[320,510,1811,1832]" italics="true" pageId="4" pageNumber="143">Brachysira sandrae</emphasis>
|
||
</taxonomicName>
|
||
. All pictures taken from the holotype population (sample B13). Fig. 42. External view of an entire valve showing the most typical features such as the marginal ridge, the striae composed of 2–4 areolae, the simple raphe endings and the mantle striae. Fig. 43. External view of an entire valve in oblique position showing clearly the marginal ridge and the ridge bordering the raphe. Fig. 44. Detail view of the central area. Not the presence of the papillae, the irregular length of the areolae and the simple proximal raphe endings. Fig. 45. External detail of a valve apex with the typical axial ridge terminating before the marginal ridge, the simple, almost straight distal raphe endings and the diminishing number of areolae per stria. Fig. 46. Internal view of an entire valve. Fig. 47. Internal detail of the central area with the typical weakly bent proximal raphe endings. Scale bar represents 10 µm, except for Figs 44 & 47 where scale bar = 5 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="ABED5FD5FF8E2475FDEC85B6FB533484" pageId="5" pageNumber="144" type="etymology">
|
||
<paragraph id="E3480C5EFF8E2475FDEC85B6FB533484" blockId="5.[136,1452,158,221]" pageId="5" pageNumber="144">
|
||
<emphasis id="D183D04CFF8E2475FDEC85B6FECA34E0" bold="true" box="[189,318,158,184]" pageId="5" pageNumber="144">Etymology</emphasis>
|
||
:—The species is named my dear friend, Mrs Sandra Scheerer (Jena,
|
||
<collectingCountry id="9BE04CCEFF8E2475F91A85B6FB4134E0" box="[1099,1205,158,184]" name="Germany" pageId="5" pageNumber="144">Germany</collectingCountry>
|
||
) in recognition of her efforts in nature conservation and more specifically the protection of native European orchids.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |