International Journal on Algae

ISSN for PRINT: 1521-9429

For Online Access

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2004, Volume6

Issue 4

102 pages

DOI: 10.1615/InterJAlgae.v6.i4

Issue price - $216.00

S. I. Genkal
I.D. Papanin Institute of Biology of Inland Waters, Russian Academy of Sciences, 152742 Settle of Borok, Nekouzsky District, Yaroslavl Region, Russia

Transmission electron microscopy studies of morphological variability of the valve in populations of Diatoma tenue Ag. showed that qualitative (valve shape, arrangement of axial area, striae, costae and rimoportula) as well as quantitative (valve length and width, number of costae and striae in 10 μm) characteristics vary to a great extent. Number of striae in 10 μm and valve width proved to be the most stable and valve length and number of costae in 10 μm were the most labile features. It is suggested that D. nanum var. lineare Skabitsch. be placed in synonymy with D. tenue. A detailed diagnosis of D. tenue compiled on the basis of original studies and the literature data is given.

DOI: 10.1615/InterJAlgae.v6.i4.20 Download article, 13 pages

Article price - $35.00

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