Comparative morphological characteristic of diatoms of genus Hannaea Patrick of the two largest lakes of the Baikal rift zone with a description of the new species

The comparative morphological characteristics of fragilaroid diatoms of genus Hannaea from lakes Baikal and Khubsugul, based on the results of light and electron microscopy, as well as new data on the study of type material H. baicalensis in a light microscope, are shown. New species H. hovsgolensis...

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Bibliographic Details
Published in:Inland water biology 2015-07, Vol.8 (3), p.222-231
Main Authors: Vishnyakov, V. S, Kulikovskiy, M. S, Genkal, S. I, Kuznetsova, I. V
Format: Article
Language:English
Subjects:
Biodiversity
Biology
Biomedical and Life Sciences
electron microscopy
Freshwater & Marine Ecology
Geoecology/Natural Processes
Hannaea
lakes
Life Sciences
light microscopes
Morphology
new species
Systematics of Hydrobionts
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Summary:The comparative morphological characteristics of fragilaroid diatoms of genus Hannaea from lakes Baikal and Khubsugul, based on the results of light and electron microscopy, as well as new data on the study of type material H. baicalensis in a light microscope, are shown. New species H. hovsgolensis Vishnjakov, Kulikovskiy et Genkal from Khubsugul Lake is described. H. hovsgolensis has high similarity with H. baicalensis based on the presence of a biseriate striae and bilabiate rimoportulae on both ends of valves. These features are characteristic for species of the Baikal rift zone and determine their difference from Holarctic species: H. arcus and H. inaequidentata.
ISSN:1995-0829
1995-0837
DOI:10.1134/S1995082915030165