Are Bacterio- and Phytoplankton Community Compositions Related in Lakes Differing in Their Cyanobacteria Contribution and Physico-Chemical Properties?

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Kokociński, M.; Dziga, D.; Antosiak, A.; Soininen, J. Are Bacterio- and Phytoplankton Community Compositions Related in Lakes Differing in Their Cyanobacteria Contribution and Physico-Chemical Properties?Genes 2021, 12, 855.

Title: Are Bacterio- and Phytoplankton Community Compositions Related in Lakes Differing in Their Cyanobacteria Contribution and Physico-Chemical Properties?
Author: Kokociński, Mikołaj; Dziga, Dariusz; Antosiak, Adam; Soininen, Janne
Publisher: Multidisciplinary Digital Publishing Institute
Date: 2021-06-02
URI: http://hdl.handle.net/10138/330854
Abstract: Bacterioplankton community composition has become the center of research attention in recent years. Bacteria associated with toxic cyanobacteria blooms have attracted considerable interest. However, little is known about the environmental factors driving the bacteria community, including the impact of invasive cyanobacteria. Therefore, our aim has been to determine the relationships between heterotrophic bacteria and phytoplankton community composition across 24 Polish lakes with different contributions of cyanobacteria including the invasive species <i>Raphidiopsis raciborskii.</i> This analysis revealed that cyanobacteria were present in 16 lakes, while <i>R. raciborskii</i> occurred in 14 lakes. Our results show that bacteria communities differed between lakes dominated by cyanobacteria and lakes with minor contributions of cyanobacteria but did not differ between lakes with <i>R. raciborskii</i> and other lakes. Physical factors, including water and Secchi depth, were the major drivers of bacteria and phytoplankton community composition. However, in lakes dominated by cyanobacteria, bacterial community composition was also influenced by biotic factors such as the amount of <i>R. raciborskii</i>, chlorophyll-a and total phytoplankton biomass. Thus, our study provides novel evidence on the influence of environmental factors and <i>R. raciborskii</i> on lake bacteria communities.


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