315 lines
44 KiB
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315 lines
44 KiB
XML
<document ID-DOI="10.11646/phytotaxa.575.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="7431242" approvalRequired="3" approvalRequired_for_taxonomicNames="1" approvalRequired_for_textStreams="1" approvalRequired_for_treatments="1" checkinTime="1670915127192" checkinUser="plazi" docAuthor="Costa, Lívia F., Wetzel, Carlos E., Maquardt, Gisele C., Zanon, Jaques E., Ector, Luc & Bicudo, Denise C." docDate="2022" docId="0399343DFF92FFC076ACBB9FFB24F866" docLanguage="en" docName="phytotaxa.575.3.1.pdf" docOrigin="Phytotaxa 575 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.575.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.4:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="4" docTitle="Achnanthidium vandevijveri L. F. Costa, Ector & C. E. Wetzel 2022, sp. nov." docType="treatment" docVersion="2" lastPageNumber="212" masterDocId="FFA04C45FF85FFD97624BD1DFF97FFF6" masterDocTitle="Taxonomy and ecology of Achnanthidium (Bacillariophyta, Achnanthidiaceae) from southeastern Brazil with the description of six new species" masterLastPageNumber="223" masterPageNumber="187" pageNumber="210" updateTime="1670916171002" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo>
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<mods:title>Taxonomy and ecology of Achnanthidium (Bacillariophyta, Achnanthidiaceae) from southeastern Brazil with the description of six new species</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Costa, Lívia F.</mods:namePart>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & livia. fcosta @ hotmail. com; https: // orcid. org / 0000 - 0001 - 7148 - 9964</mods:affiliation>
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<mods:nameIdentifier type="email">livia.fcosta@hotmail.com</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Wetzel, Carlos E.</mods:namePart>
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<mods:affiliation>Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation Department (ERIN), Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, 4422 Belvaux, Luxembourg. & carlos. wetzel @ list. lu; https: // orcid. org / 0000 - 0001 - 5330 - 0494</mods:affiliation>
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<mods:nameIdentifier type="email">carlos.wetzel@list.lu</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Maquardt, Gisele C.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-2721-1487</mods:nameIdentifier>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & Universidade Guarulhos, Centro de Pós-Graduação, Pesquisa e Extensão CEPPE, Praça Tereza Cristina 88, 07023070 Guarulhos, SP, Brazil. & giselecmarquardt @ gmail. com; https: // orcid. org / 0000 - 0002 - 2721 - 1487</mods:affiliation>
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<mods:nameIdentifier type="email">giselecmarquardt@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Zanon, Jaques E.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-9619-4393</mods:nameIdentifier>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & jaques. zanon @ gmail. com; https: // orcid. org / 0000 - 0002 - 9619 - 4393</mods:affiliation>
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<mods:nameIdentifier type="email">jaques.zanon@gmail.com</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Ector, Luc</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-4573-9445</mods:nameIdentifier>
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<mods:affiliation>Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation Department (ERIN), Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, 4422 Belvaux, Luxembourg. & https: // orcid. org / 0000 - 0002 - 4573 - 9445</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Bicudo, Denise C.</mods:namePart>
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<mods:nameIdentifier type="ORCID">0000-0002-4248-3261</mods:nameIdentifier>
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<mods:affiliation>Instituto de Pesquisas Ambientais (IPA), Department of Biodiversity Conservation, Av. Miguel Estéfano 3687, 04301 - 012 São Paulo, SP, Brazil. & denisecbicudo @ gmail. com; https: // orcid. org / 0000 - 0002 - 4248 - 3261</mods:affiliation>
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<mods:nameIdentifier type="email">denisecbicudo@gmail.com</mods:nameIdentifier>
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<mods:title>Phytotaxa</mods:title>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:number>2022-12-13</mods:number>
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<mods:detail type="volume">
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<mods:number>575</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>3</mods:number>
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<mods:extent unit="page">
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<mods:start>187</mods:start>
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<mods:end>223</mods:end>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.575.3.1</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.11646/phytotaxa.575.3.1</mods:identifier>
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<mods:identifier type="ISSN">1179-3163</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7431242</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:0399343DFF92FFC076ACBB9FFB24F866" httpUri="http://treatment.plazi.org/id/0399343DFF92FFC076ACBB9FFB24F866" lastPageId="25" lastPageNumber="212" pageId="23" pageNumber="210">
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<subSubSection box="[136,1088,1666,1694]" pageId="23" pageNumber="210" type="nomenclature">
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<paragraph blockId="23.[136,1088,1666,1694]" box="[136,1088,1666,1694]" pageId="23" pageNumber="210">
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<heading box="[136,1088,1666,1694]" fontSize="11" level="2" pageId="23" pageNumber="210" reason="3">
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<taxonomicName authority="L.F.Costa, Ector & C.E.Wetzel" authorityName="L. F. Costa, Ector & C. E. Wetzel" authorityYear="2022" box="[136,817,1666,1694]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="23" pageNumber="210" phylum="Bacillariophyta" rank="species" species="vandevijveri" status="sp. nov.">
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<emphasis bold="true" box="[136,465,1666,1693]" italics="true" pageId="23" pageNumber="210">Achnanthidium vandevijveri</emphasis>
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L.F.Costa, Ector & C.E.Wetzel
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</taxonomicName>
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<emphasis box="[825,909,1668,1693]" italics="true" pageId="23" pageNumber="210">
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<taxonomicNameLabel box="[825,909,1668,1693]" pageId="23" pageNumber="210" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation box="[924,1080,1667,1693]" captionStart-0="FIGURES 276–310" captionStart-1="FIGURES 311–316" captionStartId-0="26.[136,243,1682,1704]" captionStartId-1="27.[136,243,1370,1392]" captionTargetBox-0="[212,1380,209,1657]" captionTargetBox-1="[238,1349,190,1340]" captionTargetId-0="figure-27@26.[198,1389,209,1658]" captionTargetId-1="figure-18@27.[238,1349,190,1346]" captionTargetPageId-0="26" captionTargetPageId-1="27" captionText-0="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." captionText-1="FIGURES 311–316. SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. 311–313. SEM external view of raphe valves showing the range of areolae number per stria. 314–316. SEM external view of the rapheless valves. SEM scale bars indicated in each figure." figureDoi-0="http://doi.org/10.5281/zenodo.7431280" figureDoi-1="http://doi.org/10.5281/zenodo.7431284" httpUri-0="https://zenodo.org/record/7431280/files/figure.png" httpUri-1="https://zenodo.org/record/7431284/files/figure.png" pageId="23" pageNumber="210">Figs 276–316</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 lastPageId="24" lastPageNumber="211" pageId="23" pageNumber="210" type="description">
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<paragraph blockId="23.[136,1452,1739,2018]" pageId="23" pageNumber="210">
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<emphasis bold="true" box="[136,312,1739,1765]" pageId="23" pageNumber="210">Description:—</emphasis>
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LM: Valves 7.8–16.5 µm long, 3.0–3.8 µm wide. Raphe valve: valves linear-lanceolate to rhombiclanceolate, with subrostrate to rostrate apices (
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<figureCitation box="[673,836,1775,1801]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="23" pageNumber="210">Figs 276–291</figureCitation>
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). Axial area narrow and linear, central area absent or small, rounded (
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<figureCitation box="[321,483,1811,1837]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="23" pageNumber="210">Figs 276–291</figureCitation>
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). Raphe filiform and straight. Transapical striae slightly radiate throughout the entire valve, more spaced in the central area, and becoming denser and more strongly radiate towards the apices;
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||
<quantity box="[1351,1451,1847,1873]" metricMagnitude="-1" metricUnit="m" metricValue="7.747" metricValueMax="8.636" metricValueMin="6.858" pageId="23" pageNumber="210" unit="in" value="30.5" valueMax="34.0" valueMin="27.0">27–34 in</quantity>
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10 µm (
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<figureCitation box="[225,386,1883,1909]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="23" pageNumber="210">Figs 276–291</figureCitation>
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). Rapheless valve: valves linear-lanceolate, with rostrate to subcapitate apices (
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||
<figureCitation box="[1280,1441,1883,1909]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="23" pageNumber="210">Figs 292–306</figureCitation>
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). Axial area narrow and linear, slightly widening towards the central area; central area absent to very small rounded (
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<figureCitation box="[144,306,1955,1981]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="23" pageNumber="210">Figs 292–306</figureCitation>
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||
). Transapical striae slightly radiate throughout the entire valve, becoming denser towards the apices;
|
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<quantity box="[136,235,1991,2017]" metricMagnitude="-1" metricUnit="m" metricValue="7.874" metricValueMax="8.128" metricValueMin="7.62" pageId="23" pageNumber="210" unit="in" value="31.0" valueMax="32.0" valueMin="30.0">30–32 in</quantity>
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10 µm (
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||
<figureCitation box="[330,490,1991,2017]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="23" pageNumber="210">Figs 292–306</figureCitation>
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).
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||
</paragraph>
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||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7431276" ID-Zenodo-Dep="7431276" httpUri="https://zenodo.org/record/7431276/files/figure.png" pageId="24" pageNumber="211" startId="24.[136,243,1595,1617]" targetBox="[217,1375,190,1563]" targetPageId="24">
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<paragraph blockId="24.[136,1452,1595,1761]" pageId="24" pageNumber="211">
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<emphasis bold="true" box="[136,338,1595,1617]" pageId="24" pageNumber="211">FIGURES 238–259.</emphasis>
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LM and SEM images of
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<taxonomicName box="[577,897,1595,1617]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="24" pageNumber="211" phylum="Bacillariophyta" rank="species" species="tropicocatenatum">
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<emphasis box="[577,897,1595,1617]" italics="true" pageId="24" pageNumber="211">Achnanthidium tropicocatenatum</emphasis>
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</taxonomicName>
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from Cachoeira do França reservoir, São Paulo state (type locality, SP-469430). 238–243. LM views of raphe valves. 244–251. LM views of rapheless valves. 252, 253. Girdle views of the taxon. 254. SEM external view of raphe valve showing striation pattern, axial and central areas. 255. SEM internal view of the raphe valve. 256. SEM internal detail of the proximal raphe end. 257, 258. SEM external view of the rapheless valves showing striation pattern, axial and central areas. 259. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure.
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</paragraph>
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</caption>
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<paragraph blockId="24.[136,1452,1807,1942]" pageId="24" pageNumber="211">
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SEM: Raphe prolonged, terminating after the last stria on the border between the valve face and mantle (
|
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<figureCitation captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="24" pageNumber="211">Figs 307, 308</figureCitation>
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||
,
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<figureCitation box="[248,350,1844,1870]" captionStart="FIGURES 311–316" captionStartId="27.[136,243,1370,1392]" captionTargetBox="[238,1349,190,1340]" captionTargetId="figure-18@27.[238,1349,190,1346]" captionTargetPageId="27" captionText="FIGURES 311–316. SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. 311–313. SEM external view of raphe valves showing the range of areolae number per stria. 314–316. SEM external view of the rapheless valves. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431284" httpUri="https://zenodo.org/record/7431284/files/figure.png" pageId="24" pageNumber="211">311–313</figureCitation>
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||
). Central raphe fissures close and straight (
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||
<figureCitation box="[830,988,1843,1870]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="24" pageNumber="211">Figs 307, 308</figureCitation>
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,
|
||
<figureCitation box="[999,1101,1844,1870]" captionStart="FIGURES 311–316" captionStartId="27.[136,243,1370,1392]" captionTargetBox="[238,1349,190,1340]" captionTargetId="figure-18@27.[238,1349,190,1346]" captionTargetPageId="27" captionText="FIGURES 311–316. SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. 311–313. SEM external view of raphe valves showing the range of areolae number per stria. 314–316. SEM external view of the rapheless valves. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431284" httpUri="https://zenodo.org/record/7431284/files/figure.png" pageId="24" pageNumber="211">311–313</figureCitation>
|
||
). Terminal raphe fissures short, weakly deflected (
|
||
<figureCitation box="[342,501,1879,1906]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="24" pageNumber="211">Figs 307, 308</figureCitation>
|
||
,
|
||
<figureCitation box="[512,614,1880,1906]" captionStart="FIGURES 311–316" captionStartId="27.[136,243,1370,1392]" captionTargetBox="[238,1349,190,1340]" captionTargetId="figure-18@27.[238,1349,190,1346]" captionTargetPageId="27" captionText="FIGURES 311–316. SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. 311–313. SEM external view of raphe valves showing the range of areolae number per stria. 314–316. SEM external view of the rapheless valves. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431284" httpUri="https://zenodo.org/record/7431284/files/figure.png" pageId="24" pageNumber="211">311–313</figureCitation>
|
||
). Striae mainly composed of 3–5 rounded to elongated areolae, sometimes slit-like near the valve margin (
|
||
<figureCitation box="[486,646,1915,1941]" captionStart-0="FIGURES 276–310" captionStart-1="FIGURES 311–316" captionStartId-0="26.[136,243,1682,1704]" captionStartId-1="27.[136,243,1370,1392]" captionTargetBox-0="[212,1380,209,1657]" captionTargetBox-1="[238,1349,190,1340]" captionTargetId-0="figure-27@26.[198,1389,209,1658]" captionTargetId-1="figure-18@27.[238,1349,190,1346]" captionTargetPageId-0="26" captionTargetPageId-1="27" captionText-0="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." captionText-1="FIGURES 311–316. SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. 311–313. SEM external view of raphe valves showing the range of areolae number per stria. 314–316. SEM external view of the rapheless valves. SEM scale bars indicated in each figure." figureDoi-0="http://doi.org/10.5281/zenodo.7431280" figureDoi-1="http://doi.org/10.5281/zenodo.7431284" httpUri-0="https://zenodo.org/record/7431280/files/figure.png" httpUri-1="https://zenodo.org/record/7431284/files/figure.png" pageId="24" pageNumber="211">Figs 307–316</figureCitation>
|
||
). Mantle with one row of slit-like areolae (
|
||
<figureCitation box="[1124,1282,1915,1942]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="24" pageNumber="211">Figs 307, 309</figureCitation>
|
||
,
|
||
<figureCitation box="[1293,1395,1915,1942]" captionStart="FIGURES 311–316" captionStartId="27.[136,243,1370,1392]" captionTargetBox="[238,1349,190,1340]" captionTargetId="figure-18@27.[238,1349,190,1346]" captionTargetPageId="27" captionText="FIGURES 311–316. SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. 311–313. SEM external view of raphe valves showing the range of areolae number per stria. 314–316. SEM external view of the rapheless valves. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431284" httpUri="https://zenodo.org/record/7431284/files/figure.png" pageId="24" pageNumber="211">314, 315</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7431278" ID-Zenodo-Dep="7431278" httpUri="https://zenodo.org/record/7431278/files/figure.png" pageId="25" pageNumber="212" startId="25.[136,243,905,927]" targetBox="[226,1361,190,874]" targetPageId="25">
|
||
<paragraph blockId="25.[136,1452,905,1036]" pageId="25" pageNumber="212">
|
||
<emphasis bold="true" box="[136,337,905,927]" pageId="25" pageNumber="212">FIGURES 260–275.</emphasis>
|
||
LM and SEM images of
|
||
<taxonomicName box="[573,892,906,927]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="tropicocatenatum">
|
||
<emphasis box="[573,892,906,927]" italics="true" pageId="25" pageNumber="212">Achnanthidium tropicocatenatum</emphasis>
|
||
</taxonomicName>
|
||
from Santa Helena reservoir, São Paulo state (SP-469524). 260–267. LM views of raphe valves. 268–273. LM views of rapheless valves. 274. SEM external view of raphe valve showing striation pattern, axial and central areas. 275. SEM external view of the rapheless valve showing striation pattern, axial and central areas. LM scale bar = 10 μm. SEM scale bars indicated in each figure.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection pageId="25" pageNumber="212" type="materials_examined">
|
||
<paragraph blockId="25.[136,1452,1082,1937]" pageId="25" pageNumber="212">
|
||
<emphasis bold="true" box="[189,286,1082,1108]" pageId="25" pageNumber="212">Type:—</emphasis>
|
||
<materialsCitation collectingDate="2014-07-07" collectorName="P. D. Almeida & D. C. Bicudo" country="Brazil" latitude="-23.645666" location="Garcas Lake" longLatPrecision="1" longitude="-46.62497" pageId="25" pageNumber="212" specimenCount="1" stateProvince="Sao Paulo" typeStatus="holotype">
|
||
<collectingCountry box="[285,390,1082,1108]" name="Brazil" pageId="25" pageNumber="212">BRAZIL</collectingCountry>
|
||
.
|
||
<collectingRegion box="[405,590,1082,1109]" country="Brazil" name="Sao Paulo" pageId="25" pageNumber="212">São Paulo state</collectingRegion>
|
||
:
|
||
<collectingRegion box="[605,726,1082,1108]" country="Brazil" name="Sao Paulo" pageId="25" pageNumber="212">São Paulo</collectingRegion>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:0399343DFF92FFC076ACBB9FFB24F866:8EEFD3F0FF9CFFC074C1B927FCEEFBA2" box="[741,889,1082,1108]" country="Brazil" latitude="-23.645666" longLatPrecision="1" longitude="-46.62497" name="Garcas Lake" pageId="25" pageNumber="212" stateProvince="Sao Paulo">Garças Lake</location>
|
||
, periphyton,
|
||
<geoCoordinate box="[1045,1233,1082,1108]" degrees="23" direction="south" minutes="38" orientation="latitude" pageId="25" pageNumber="212" precision="1" seconds="44.4" value="-23.645666">23° 38’ 44.4” S</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[1250,1447,1082,1109]" degrees="46" direction="west" minutes="37" orientation="longitude" pageId="25" pageNumber="212" precision="1" seconds="29.9" value="-46.62497">46° 37’ 29.9” W</geoCoordinate>
|
||
,
|
||
<emphasis box="[136,612,1118,1144]" italics="true" pageId="25" pageNumber="212">
|
||
<collectorName box="[136,277,1118,1144]" pageId="25" pageNumber="212">P.D.Almeida</collectorName>
|
||
&
|
||
<collectorName box="[313,447,1118,1144]" pageId="25" pageNumber="212">D.C.Bicudo</collectorName>
|
||
,
|
||
<date box="[459,612,1118,1144]" pageId="25" pageNumber="212" value="2014-07-07">
|
||
<collectingDate box="[459,612,1118,1144]" pageId="25" pageNumber="212" value="2014-07-07">7th July 2014</collectingDate>
|
||
</date>
|
||
</emphasis>
|
||
(
|
||
<typeStatus box="[626,726,1118,1144]" pageId="25" pageNumber="212">holotype</typeStatus>
|
||
SP-469485! =
|
||
<figureCitation box="[896,993,1118,1144]" captionStart="FIGURES 276–310" captionStartId="26.[136,243,1682,1704]" captionTargetBox="[212,1380,209,1657]" captionTargetId="figure-27@26.[198,1389,209,1658]" captionTargetPageId="26" captionText="FIGURES 276–310. LM and SEM images of Achnanthidium vandevijveri sp. nov. from the type (SP-469485) from Garças Lake, São Paulo state. Figure 282 corresponds to the holotype. 276–291. LM views of raphe valves. 292–306. LM views of rapheless valves. 307, 308. SEM external view of raphe and rapheless valve showing striation pattern, axial and central areas. 309. SEM internal view of the raphe valve. 310. SEM internal view of the rapheless valve. LM scale bar = 10 μm. SEM scale bars indicated in each figure." figureDoi="http://doi.org/10.5281/zenodo.7431280" httpUri="https://zenodo.org/record/7431280/files/figure.png" pageId="25" pageNumber="212">Fig. 282</figureCitation>
|
||
, isotype: BR-4620)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="25" pageNumber="212" type="etymology">
|
||
<paragraph blockId="25.[136,1452,1082,1937]" pageId="25" pageNumber="212">
|
||
<emphasis bold="true" box="[189,328,1154,1180]" pageId="25" pageNumber="212">Etymology:</emphasis>
|
||
—We dedicate this species to Prof. Dr. Bart Van de Vijver (Meise Botanic Garden, Meise,
|
||
<collectingCountry box="[136,238,1190,1216]" name="Belgium" pageId="25" pageNumber="212">Belgium</collectingCountry>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="25.[136,1452,1082,1937]" pageId="25" pageNumber="212">
|
||
<emphasis bold="true" box="[189,490,1226,1252]" pageId="25" pageNumber="212">
|
||
Taxonomical remarks:
|
||
<emphasis bold="true" box="[462,490,1226,1252]" italics="true" pageId="25" pageNumber="212">—</emphasis>
|
||
</emphasis>
|
||
The different valve outline between the raphe and rapheless valves make the taxon more easily distinguishable from others. The rhombic-lanceolate outline of the raphe valve resembles the taxon to
|
||
<taxonomicName authorityName="Lange-Bertalot" authorityYear="1999" baseAuthorityName="Lange-Bertalot" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="eutrophilum">
|
||
<emphasis italics="true" pageId="25" pageNumber="212">A. eutrophilum</emphasis>
|
||
</taxonomicName>
|
||
. Besides the different rapheless valve outline,
|
||
<taxonomicName authorityName="Lange-Bertalot" authorityYear="1999" baseAuthorityName="Lange-Bertalot" box="[811,980,1298,1324]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="eutrophilum">
|
||
<emphasis box="[811,980,1298,1324]" italics="true" pageId="25" pageNumber="212">A. eutrophilum</emphasis>
|
||
</taxonomicName>
|
||
presents wider valves and slightly lower stria density (3.2–5.8 µm wide, stria density 25–30/10 µm,
|
||
<bibRefCitation author="Hlubikova, D. & Ector, L. & Hoffmann, L." box="[817,1070,1334,1360]" pageId="25" pageNumber="212" pagination="19 - 43" refId="ref21257" refString="Hlubikova, D., Ector, L. & Hoffmann, L. (2011) Examination of the type material of some diatom species related to Achnanthidium minutissimum (Kutz.) Czarn. (Bacillariophyceae). Algological Studies 136 / 137: 19 - 43. https: // doi. org / 10.1127 / 1864 - 1318 / 2011 / 0136 - 0019" type="journal article" year="2011">
|
||
Hlúbiková
|
||
<emphasis box="[944,1002,1334,1360]" italics="true" pageId="25" pageNumber="212">et al.</emphasis>
|
||
2011
|
||
</bibRefCitation>
|
||
). Using SEM it is possible to see other differences such as the prolonged terminal raphe ends after the last stria and the almost never slit-like areolae shape. In contrast, in
|
||
<emphasis box="[385,651,1406,1432]" italics="true" pageId="25" pageNumber="212">
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[385,549,1406,1432]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="vandevijver" status="sp. nov.">A. vandevijver</taxonomicName>
|
||
<taxonomicNameLabel box="[558,648,1407,1432]" pageId="25" pageNumber="212" rank="species">sp. nov.</taxonomicNameLabel>
|
||
,
|
||
</emphasis>
|
||
the terminal raphe fissures terminate right after the last stria, and the areolae are often slit-like near the margins of the valve.
|
||
</paragraph>
|
||
<paragraph blockId="25.[136,1452,1082,1937]" pageId="25" pageNumber="212">
|
||
Despite the general similarity,
|
||
<taxonomicName authority="Cantonati & Lange-Bertalot (2006: 1185)" authorityName="Cantonati & Lange-Bertalot" authorityPageNumber="1185" authorityYear="2006" box="[531,1320,1478,1505]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="dolomiticum">
|
||
<emphasis box="[531,849,1478,1504]" italics="true" pageId="25" pageNumber="212">Achnanthidium dolomiticum</emphasis>
|
||
<bibRefCitation author="Cantonati, M. & Lange-Bertalot, H." box="[855,1320,1478,1505]" pageId="25" pageNumber="212" pagination="1184 - 1188" refId="ref20535" refString="Cantonati, M. & Lange-Bertalot, H. (2006) Achnanthidium dolomiticum sp. nov. (Bacillariophyta) from oligotrophic mountain springs and lakes fed by dolomite aquifers. Journal of Phycology 42 (6): 1184 - 1188. https: // doi. org / 10.1111 / j. 1529 - 8817.2006.00281. x" type="journal article" year="2006">Cantonati & Lange-Bertalot (2006: 1185)</bibRefCitation>
|
||
</taxonomicName>
|
||
presents its raphe valve with some singularities when compared with
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[792,962,1514,1540]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="vandevijveri" status="sp. nov.">
|
||
<emphasis box="[792,962,1514,1540]" italics="true" pageId="25" pageNumber="212">A. vandevijveri</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[971,1058,1515,1541]" pageId="25" pageNumber="212" rank="species">
|
||
<emphasis box="[971,1051,1515,1540]" italics="true" pageId="25" pageNumber="212">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
The Italian species has the central area forming a bilateral narrow fascia, a feature never present in the Brazilian one. In addition, the stria density is slightly higher (
|
||
<quantity box="[314,414,1586,1613]" metricMagnitude="-1" metricUnit="m" metricValue="8.636" metricValueMax="8.89" metricValueMin="8.382" pageId="25" pageNumber="212" unit="in" value="34.0" valueMax="35.0" valueMin="33.0">33–35 in</quantity>
|
||
10 µm,
|
||
<bibRefCitation author="Cantonati, M. & Lange-Bertalot, H." box="[508,887,1586,1612]" pageId="25" pageNumber="212" pagination="1184 - 1188" refId="ref20535" refString="Cantonati, M. & Lange-Bertalot, H. (2006) Achnanthidium dolomiticum sp. nov. (Bacillariophyta) from oligotrophic mountain springs and lakes fed by dolomite aquifers. Journal of Phycology 42 (6): 1184 - 1188. https: // doi. org / 10.1111 / j. 1529 - 8817.2006.00281. x" type="journal article" year="2006">Cantonati & Lange-Bertalot 2006</bibRefCitation>
|
||
) than our new species
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[1142,1311,1586,1612]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="vandevijveri" status="sp. nov.">
|
||
<emphasis box="[1142,1311,1586,1612]" italics="true" pageId="25" pageNumber="212">A. vandevijveri</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[1319,1405,1587,1613]" pageId="25" pageNumber="212" rank="species">
|
||
<emphasis box="[1319,1398,1587,1612]" italics="true" pageId="25" pageNumber="212">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
</paragraph>
|
||
<paragraph blockId="25.[136,1452,1082,1937]" pageId="25" pageNumber="212">
|
||
From our study area, the rapheless valve of
|
||
<emphasis box="[669,926,1622,1648]" italics="true" pageId="25" pageNumber="212">
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[669,837,1622,1648]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="vandevijveri" status="sp. nov.">A. vandevijveri</taxonomicName>
|
||
<taxonomicNameLabel box="[843,926,1623,1648]" pageId="25" pageNumber="212" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is similar to valves of
|
||
<taxonomicName box="[1172,1333,1622,1648]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="lusitanicum">
|
||
<emphasis box="[1172,1333,1622,1648]" italics="true" pageId="25" pageNumber="212">A. lusitanicum</emphasis>
|
||
</taxonomicName>
|
||
. The latter taxon differs mainly by the apices form in the raphe valve. While the rapheless valve has overlapping metric features, they can be distinguished by the visibly rounded central area in
|
||
<taxonomicName box="[869,1033,1694,1720]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="lusitanicum">
|
||
<emphasis box="[869,1033,1694,1720]" italics="true" pageId="25" pageNumber="212">A. lusitanicum</emphasis>
|
||
</taxonomicName>
|
||
and the absence or presence of very small, rounded ones in
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[397,566,1730,1756]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="vandevijveri" status="sp. nov.">
|
||
<emphasis box="[397,566,1730,1756]" italics="true" pageId="25" pageNumber="212">A. vandevijveri</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[573,659,1731,1757]" pageId="25" pageNumber="212" rank="species">
|
||
<emphasis box="[573,652,1731,1756]" italics="true" pageId="25" pageNumber="212">sp. nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="25" pageNumber="212" type="distribution">
|
||
<paragraph blockId="25.[136,1452,1082,1937]" pageId="25" pageNumber="212">
|
||
<emphasis bold="true" box="[189,702,1766,1792]" pageId="25" pageNumber="212">Distribution and ecological information:—</emphasis>
|
||
<emphasis box="[701,1112,1766,1792]" italics="true" pageId="25" pageNumber="212">
|
||
<taxonomicName authority="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo, 2022" authorityName="Costa & Wetzel & Maquardt & Zanon & Ector & Bicudo" authorityYear="2022" box="[701,1018,1766,1792]" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="212" phylum="Bacillariophyta" rank="species" species="vandevijveri" status="sp. nov.">Achnanthidium vandevijveri</taxonomicName>
|
||
<taxonomicNameLabel box="[1027,1112,1767,1792]" pageId="25" pageNumber="212" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
was restricted to samples SP- 469483 and SP-469485 from Garças Lake, a eutrophic urban lake (
|
||
<bibRefCitation author="Bicudo, D. C. & Fonseca, B. M. & Bini, L. M. & Crossetti, L. O. & Bicudo, C. E. M. & Araujo-Jesus, T." box="[920,1142,1802,1828]" pageId="25" pageNumber="212" pagination="1120 - 1133" refId="ref20187" refString="Bicudo, D. C., Fonseca, B. M., Bini, L. M., Crossetti, L. O., Bicudo, C. E. M. & Araujo-Jesus, T. (2007) Undesirable side-effects of water hyacinth control in a shallow tropical reservoir. Freshwater Biology 52 (6): 1120 - 1133. https: // doi. org / 10.1111 / j. 1365 - 2427.2007.01738. x" type="journal article" year="2007">
|
||
Bicudo
|
||
<emphasis box="[1013,1072,1802,1828]" italics="true" pageId="25" pageNumber="212">et al.</emphasis>
|
||
2007
|
||
</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Bicudo, D. C. & Zanon, J. E. & Ferragut, C. & Crossetti, L. O. & Faustino, S. B. & Bicudo, C. E. M." box="[1156,1214,1802,1828]" pageId="25" pageNumber="212" pagination="722019" refId="ref20270" refString="Bicudo, D. C., Zanon, J. E., Ferragut, C., Crossetti, L. O., Faustino, S. B. & Bicudo, C. E. M. (2020) Garcas Reservoir trophic state dynamics: a 20 - year synthesis. Hoehnea 47: e 722019. https: // doi. org / 10.1590 / 2236 - 8906 - 72 / 2019" type="journal article" year="2020">2020</bibRefCitation>
|
||
) in the metropolitan area of
|
||
<collectingRegion box="[225,344,1838,1864]" country="Brazil" name="Sao Paulo" pageId="25" pageNumber="212">São Paulo</collectingRegion>
|
||
. It occurred in plankton, but mainly in periphyton (highest abundance: 15 %). The limnological conditions of the sampling site varied from acid to alkaline (pH 5.8–8.6), cond. was high (307–378 μS∙
|
||
<superScript attach="left" box="[1292,1342,1874,1900]" fontSize="6" pageId="25" pageNumber="212">cm-1</superScript>
|
||
), as were the nutrient concentrations in the environment (TP 97–107.1 μg∙L-
|
||
<superScript attach="right" box="[880,887,1910,1924]" fontSize="6" pageId="25" pageNumber="212">1</superScript>
|
||
, TN 1734.2–2757.9 μg∙L-
|
||
<superScript attach="right" box="[1179,1186,1910,1924]" fontSize="6" pageId="25" pageNumber="212">1</superScript>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |