Diversity of the microscopic fungi in the littoral sands of the White Sea
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For the first time, the study of the mycobiota of littoral sands of the cold-water White Sea was conducted. Twenty-four samples were collected in July–August 2015 in the Onega Bay, the Kandalaksha Bay, and on the Terskii coast. Culture methods were used to detect the number of colony forming units (CFU) and the fungi diversity. The number of CFUs is small; it ranges from 0 to 57 per 1 cm3. A total of 54 morphotypes were detected, of which 22 were identified to the species, seven to the genus level, and 25 were not identified, because they did not form sporulation. Only two species, Cladosorium sphaerospermum and Paradendryphiella salina, were characterized by the relative abundance of more than 10% and the frequency of occurrence of more than 50%. Another five species were found in more than one sample: Penicillium chrysogenum, Cadophora fastigiata, Acremonium fuci, anamorph of Pseudogymnoascus pannorum, and teleomorph of Pseudeurotium hygrophilum. All other morphotypes were found in a small number in single samples. In general, darkcolored forms predominated in the mycobiota both in diversity and in number.
Keywordsmarine fungi Ascomycetes littoral coastal zone White Sea Subarctic sands
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