Centric diatom algae of volcanic Verkhneavachinsk lakes (Kamchatka) |
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Authors: | S I Genkal E V Lepskaya |
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Institution: | 1. Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, 152742, Russia 2. Kamchatka Institute for Fisheries Research and Oceanography, ul. Naberezhnaya 18, Petropavlovsk-Kamchatsky, 683000, Russia
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Abstract: | Eleven representatives of diatom algae of the class Centrophyceae from the genera Aulacoseira (1), Conticribra (1), Cyclotella (5), Discostella (1), Stephanodiscus (2), and Thallasiosira (1) have been found in the phytoplankton of 5 volcanic lakes (Bakening volcano, Kamchatka). Stephanodiscus popovskayae, a species new for science, has been discovered in all the lakes, and a species new for the flora of Russia, Cyclotella gordonensis, has been found only in three lakes. The closest similarity in the composition of centric diatoms has been revealed between the lakes of a single water system: Lake Medvezh’e and Lake Verkhneavachinskoe. |
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