International Journal on Algae

ISSN for PRINT: 1521-9429

For Online Access

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2006, Volume8

Issue 3

96 pages

DOI: 10.1615/InterJAlgae.v8.i3

Issue price - $233.00

T. M. Mikheyeva
Laboratory of Hydroecology, Belarus State University, 4, SkorynyPr., 220050 Minsk, Belarus

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

The Lake Naroch ecosystem (Lakes Naroch, Myastro, and Batorino) have passed through different evolutionary periods of their trophic state: 1) the period with insignificant antropogenic press, 2) the period of antropogenic eutrophication, and 3) the period of de-eutrophication, which was accompanied by structural changes and an instable state of phytoplankton communities. During de-eutrophication, the invasion of the centric diatom Cyclotella comensis Grun. in the lakes was revealed; recently, it was recorded in Belarus only as a fossil. Data on seasonal dynamics and inter-year fluctuations of species number for 12 years of observation (1992−2003) are given. An electron microscopy study of morphological variability of C. comensis from Lake Batorino is presented.

DOI: 10.1615/InterJAlgae.v8.i3.40 Download article, 243-254 pages

Article price - $35.00

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