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ISSN: 1521-9429 Print
ISSN: 1940-4328 Online
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DOI: 10.1615/InterJAlgae.v8.i4
Pages: 106
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DOI: 10.1615/InterJAlgae.v8.i4.30
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Article price - $35.00 |
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Distribution and morphology of certain species from genera Mayamaea Lange-Bertalot and Fistulifera Lange-Bertalot (Bacillariophyta)
M. S. Kulikovskiy
I.D. Papanin Institute of Biology of Inland Waters of the Russian Academy of Sciences, 152742 Settle Borok, Nekouzskiy District, Yaroslavl Region, Russia
ABSTRACT
Studies of various ecosystems from Russia and Mongolia (sphagnum bogs, lakes, and rivers) made it possible to reveal six taxa from the genus Mayamaea Lange-Bertalot and two from the genus Fistulifera Lange-Bertalot (Bacillariophyta). The data on morphological variability obtained by the electron microscope permitted us to widen the diagnosis of Mayamaea atomus (Kütz.) Lange-Bertalot var. permitis (Hust.) Lange-Bertalot and M. arida (Bock) Lange-Bertalot. The last species was found for the first time after type description. Regularities of morphological variability were detected. The width of the valve appeared to be the most variable sign in representatives of the two genera. The data obtained permitted us to increase knowledge about the geographical distribution of the studied species in Eastern Europe and Mongolia. The species M. atomus var. permitis and Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot are presented as new for these territories.
pages 323-337
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