Autotrophic communities’ diversity in natural and artificial water-bodies of a river estuary: a case-study of the Dnieper-Bug Estuary, Ukraine
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Date
2020
Authors
Shcherbak, Volodymyr
Sherman, Isaak
Semeniuk, Nataliia
Kutishchev, Pavlo
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Abstract
Spatial distribution of plant communities in the human-modified aquatic ecosystemwithin the Dnieper–Bug Estuary is marked by discrete-continuous patterns. Continuity iscaused by hydrological interconnection between the subsystems, and discreteness — byhabitat diversity. For higher aquatic plants, the continuity aspect consists in overgrowth ofemergent plants all-round the shoreline in both subsystems. The discreteness aspect isnoticed in presence of floating-leaf plants’ and submerged plants’ belts in the naturalsubsystem only (the lake) and their absence in the artificial one (the sand quarry). For algalcommunities, continuity is observed in predominance of the same divisions in bothsubsystems. Discreteness manifests itself in higher taxonomic and floristic diversity ofalgae in the natural subsystem, than in the artificial one. The process of hydrologicalinteraction between phytoplankton and epiphytic algae is another important mechanismsustaining continuity of algal communities
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Keywords
Dnieper–Bug Estuary, Water bodies, phytoplankton, Higher aquatic plants, Epiphytic algal communities, Taxonomic diversity, article
Citation
Autotrophic communities’ diversity in natural and artificial water-bodies of a river estuary: a case-study of the Dnieper-Bug Estuary, Ukraine [electronic resource] / Volodymyr Shcherbak, Isaak Sherman, Nataliia Semeniuk, Pavlo Kutishchev // Ecohydrology & Hydrobiology. - 2020. - Vol. 20, Issue 1. - P. 112-122.