SPECIES COMPOSITION OF MICROSCOPIC ALGAE OF THE PONDS OF DENDROPARK NAMED AFTER THE VICTORY IN THE CITY OF ODESA
Journal Title: Вісник Одеського національного університету. Біологія - Year 2019, Vol 24, Issue 1
Abstract
Introduction. The generalized results of researches (2011-2018 years) of species composition of microscopic algae of 4 ponds of dendropark named after the Victory in Odessa are given. The aim of the work was to establish taxonomic composition of the microphytes of the ponds. Results and conclusion. As a result of processing 70 samples revealed 99 species of algae, which belonged to 56 genera, 33 families, 22 orders, 10 classes and 7 divisions. Representatives of diatoms (45 species), green (27) and blue-green (16) algae dominated the taxonomic composition. Genera Desmodesmus (F. Chodat) An, Friedl et E. Hegew. (7 species), Nitzschia Hassall (7), Сalothrix C. Agardh ex Bornet et Flahault (6), Cymbella C. Agardh (5), Cosmarium Corda et Ralfs (4), Navicula Bory (3) and Phormidium Kütz. ex Gomont (3) have made a significant contribution to the systematic diversity of the flora of the ponds. Among the algae 45 regional new species for the ponds dendropark named after the Victory in Odessa and 4 new species (Calothrix сolumbiana G. S. West, Chrysamoeba radians G. A. Klebs, Mallomonas spinulosa W. Conrad and Chlamydomonas platyrhyncha Korschikov) for water bodies of the North-Western Black Sea Coast were detected. From the found algae 43 taxa belonged to plankton, 38 – to periphyton and 18 – to benthic organisms. The algoflora of the dendropark ponds was freshwater, alkaliphilic and mesosaprobic. As to salinity the major part (85 species) of algae was related to freshwater, and the smaller part (14) – to brackish forms. As to the ratio of microphytes to the pH of water alkaliphiles (88 species) dominated, the indifferents were presented by 10, and acidophiles only by 1 species. 63 species indicators of organic water contamination were identified. As to water saprobity β-mesosaprobies (32 species) and α-mesosaprobies (12) were the dominating groups, the other groups were few. As to biogeographical distribution algoflora was represented by cosmopolitan (65 species) and boreal (33) groups.
Authors and Affiliations
V. P. Gerasimiuk, N. V. Gerasimiuk
Keywords
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- EP ID EP662432
- DOI 10.18524/2077-1746.2019.1(44).167878
- Views 98
- Downloads 0
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