Biology 4 (2014 7) 395-410 ~ ~ ~ УДК 561.26, 58.056, 551.5 Diatoms of Holocene Sediments of Lake Bolshoy Kharbei (Bolshezemelskaya Tundra, Russia) Larisa B. Nazarovaa,b Olga V. Palagushkinaa and Larisa A. Frolovaa *, aKazan (Volga Region) Federal University Institute of Polar and Marine Research A 43 Telegrafenberg, Potsdam, 14473, Germany Received 19.10.2014, received in revised form 09.11.2014, accepted 07.12.2014 Arctic lakes, which are not affected by direct human impact, are excellent objects for paleoclimatic reconstructions. <...> Diatoms can be a source of information about the changes that occurred in lakes. <...> The recent Holocene sediments from deep glacial arctic Lake Bolshoy Kharbei of Bolshezemelskaya tundra were studied for diatoms. <...> In total, 122 taxa of 2 classes, 5 orders, 18 families, 45 genus of cosmopolitan forms with a predominance of alkaliphilic benthic species of diatoms preferring a standing – fl owing waters, indifferent to salinity and moderate temperature conditions were revealed. <...> There is a trend in forming diatom fl ora of Holocene sediments of Lake Bolshoy Kharbei manifested in changes in the composition of dominants due to climate warming. <...> All rights reserved * Corresponding author E-mail address: opalagushkina@mail.ru 18 Kremlevskaya, Kazan, 420008, Russia b # 395 # Olga V. Palagushkina, Larisa B. Nazarova… <...> Диатомовые водоросли из голоценовых осадков озера Большой Харбей (Большеземельская тундра, Россия) Л.Б. Назароваа,б а О.В. Палагушкинаа , Л.А. Фроловаа , Казанский (Приволжский) федеральный университет Россия, 420008, Казань, ул. <...> Кремлевская, 18 бИнститут полярных и морских исследований Германия, 14473, Потсдам, Телеграфенберг, А 43 Арктические озера, не затронутые прямым антропогенным воздействием, являются прекрасными объектами для палеоклиматических реконструкций. <...> Большой Харбей Большеземельской тундры <...>