Denticula jamesrossensis, a new freshwater diatom (Bacillariophyta) species from the Maritime Antarctic Region

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F15%3A10296076" target="_blank" >RIV/00216208:11310/15:10296076 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.5507/fot.2015.009" target="_blank" >http://dx.doi.org/10.5507/fot.2015.009</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.5507/fot.2015.009" target="_blank" >10.5507/fot.2015.009</a>

Result language
angličtina
Original language name
Denticula jamesrossensis, a new freshwater diatom (Bacillariophyta) species from the Maritime Antarctic Region
Original language description
During a survey of the freshwater diatom flora of James Ross Island (northern Weddell Sea) in the Maritime Antarctic Region, an unknown Denticula taxon was found in some lakes of Clearwater Mesa. The taxon showed some similarities with D. rainierensis Sovereign and D. subtilis GRUNOW but based on detailed light (LM) and scanning electron microscopy (SEM) the species showed sufficient morphological differences to separate it as a new species: Denticula jamesrossensis sp. nov. The new taxon is characterized, and distinguished from other species of the genus, by a typical constriction in the middle of the valve and a very high number of striae (up to 60 in 10 mu m). So far, the new taxon has only been found on James Ross Island where it occurs in alkalinelakes with high specific conductance values.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EF - Botany
OECD FORD branch
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Project
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Continuities
S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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