<documentid="78D467EE8FD69E37569C2FEAB4274186"ID-CLB-Dataset="297141"ID-DOI="10.1515/bot-2021-0066"ID-GBIF-Dataset="163e2ba5-fdc5-4fbf-916e-311eb7062dd4"ID-ISSN="1437-4323"ID-Zenodo-Dep="11000147"IM.bibliography_approvedBy="valdenar"IM.illustrations_approvedBy="valdenar"IM.materialsCitations_approvedBy="valdenar"IM.metadata_approvedBy="felipe"IM.tables_approvedBy="juliana"IM.taxonomicNames_approvedBy="juliana"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="juliana"checkinTime="1713579941710"checkinUser="felipe"docAuthor="Al-Handal, Adil Y., Torstensson, Anders & Wulff, Angela"docDate="2022"docId="03C487C543167362FCCDFE9877EC9C6F"docLanguage="en"docName="BotMar.65.2.81-103.pdf"docOrigin="Botanica Marina (Warsaw, Poland) 65 (2)"docSource="http://dx.doi.org/10.1515/bot-2021-0066"docStyle="DocumentStyle:852F6101A3F2630EFBDAB42A7703A325.4:BotMar.2015-.journal_article.open"docStyleId="852F6101A3F2630EFBDAB42A7703A325"docStyleName="BotMar.2015-.journal_article.open"docStyleVersion="4"docTitle="Nitzschia sigma W. Smith"docType="treatment"docVersion="8"lastPageNumber="97"masterDocId="FFFDFFBD43067372FFD7FFF973479F53"masterDocTitle="Revisiting Potter Cove, King George Island, Antarctica, 12 years later: new observations of marine benthic diatoms"masterLastPageNumber="103"masterPageNumber="81"pageNumber="97"updateTime="1728431171443"updateUser="juliana"zenodo-license-document="CC-BY-4.0">
<mods:titleid="91534DEDD9E46AEF1587B887309FD6C4">Revisiting Potter Cove, King George Island, Antarctica, 12 years later: new observations of marine benthic diatoms</mods:title>
<taxonomicNameid="4C6D4D5043167362FCCDFE9877F69E2B"authority="(Kutzing) W. Smith"authorityName="W. Smith"baseAuthorityName="Kutzing"box="[794,1201,353,376]"class="Bacillariophyceae"family="Bacillariaceae"genus="Nitzschia"higherTaxonomySource="GBIF"kingdom="Chromista"order="Bacillariales"pageId="16"pageNumber="97"phylum="Ochrophyta"rank="species"species="sigma">
<bibRefCitationid="EFFC4B2243167362FC4BFE7D77779EC9"author="Hendey, N. I."box="[924,1072,388,410]"pageId="16"pageNumber="97"refId="ref18210"refString="Hendey, N. I. (1964). An introductory account of the smaller algae of British coastal waters. V. Bacillariophyceae (diatoms). Fishery Investigations Series IV. Her Majesty' s Stationary Of fi ce, London."type="book"year="1964">Hendey 1964</bibRefCitation>
, p. 281, 282, pl. 42, fig. 1; Witkowski et al. 2000, p. 404, pl. 206, figs. 1–10).
Remarks: A species with a wide variation in valve outline, striae and fibulae density. The observed specimens bear coarser and less dense fibulae,
<bibRefCitationid="EFFC4B2243167362FB4FFDAC70F09DDD"author="Krammer, K. & Lange-Bertalot, H."pageId="16"pageNumber="97"pagination="2"refId="ref18950"refString="Krammer, K. and Lange-Bertalot, H. (1988). Bacillariophyceae 2. Teil. Epithemiaceae, Bacillariaceae, Surirellaceae. In: Ettl, H., Gerloff, F., Heying, H., and Mollenhauer, D. (Eds.), Suβwasser fl ora von Mitteleuropa 2 / 2. Gustav Fischer Verlag, Stuttgart."type="journal article"year="1988">Krammer and Lange-Bertalot (1988)</bibRefCitation>
reported 7–12 fibula in 10 µm while
<bibRefCitationid="EFFC4B2243167362FAEDFD81701B9DE2"author="Hendey, N. I."pageId="16"pageNumber="97"refId="ref18210"refString="Hendey, N. I. (1964). An introductory account of the smaller algae of British coastal waters. V. Bacillariophyceae (diatoms). Fishery Investigations Series IV. Her Majesty' s Stationary Of fi ce, London."type="book"year="1964">Hendey (1964)</bibRefCitation>
<paragraphid="8BD236D343167362FCCDFD4477EC9C6F"blockId="16.[794,1421,353,828]"pageId="16"pageNumber="97">Ecology and distribution: A widely distributed marine and brackish-water species. reported from the Arctic as sea-ice diatoms (Wiktor et al. 1998). Not found previously in Potter Cove. Rare in the material examined.</paragraph>
