Morphology and distribution of the North American diatom Aulacoseira pardata English & Potapova in Russia

被引:3
作者
Genkal, S. I. [1 ]
Kulikovskiy, M. S. [1 ]
机构
[1] Russian Acad Sci, Papanin Inst Biol Inland Waters, Nekouzskii Raion 152742, Yaroslavl Oblas, Russia
基金
俄罗斯基础研究基金会; 俄罗斯科学基金会;
关键词
Transbaikal region; Lake Frolikha; diatoms; morphology; Aulacoseira pardata; A; septentrionalis; CENTRIC DIATOMS; BAIKAL;
D O I
10.1134/S1995082916040052
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Diatom species Aulacoseira pardata English & Potapova, new for the flora of Russia, has been found in the course of studying samples from Lake Frolikha (Transbaikal region) by scanning electron microscopy. Numerical morphological features of the species in the studied population differ from the type population, which indicates their greater variability. It is shown that A. pardata is distinguished from the similar species A. septentrionalis (Camburn & Charles) Genkal & Kulikovskiy by the shape of spines and shape and size of areolae on the valve mantle. Species A. septentrionalis, new for the lake, as well as for Cis-Baikal and Transbaikal regions, has also been recorded in Lake Frolikha.
引用
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页码:355 / 358
页数:4
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