Mycological Investigations of the Black Sea
A collection of 558 molds and yeasts from the waters of the Black Sea has been characterized and population densities established. Of 174 water samples taken, 84 were positive for yeasts, while 97 contained molds. The average yeast density was less than 10 cells/l while densities in excess of 200 cells/l were found in only six samples. The maximal yeast population was 150 cells/l. Decrease in incidence, density, and average number of species of yeasts was noted with increasing depth. Predominant taxa included the yeasts, Debaryomyces hansenii, Candida diddensii, Rhodotorula rubra, and Rhodotorula glutinis, and the hyphomycetes, Cladosporium spp. and Aureohasidiurn pullulans. In general, low concentrations of fungi prevented definitive correlation of the distribution of individual species with hydrographic aspects. Comparison of data with those obtained in earlier studies of yeasts in the Black Sea suggests that the latter information and generalizations derived therefrom, must be critically reevaluated.
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Document Type: Research Article
Publication date: 1967-09-01
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