Distribution of three alien cyanobacterial species (Nostocales) in northeast Germany: Cylindrospermopsis raciborskii, Anabaena bergii and Aphanizomenon aphanizomenoides

Stüken, Anke; Rücker, Jacqueline; Endrulat, Tina; Preußel, Karina; Hemm, Mike; Nixdorf, Brigitte; Karsten, Ulf; Wiedner, Claudia

doi:10.2216/05-58.1

Cited by 122 publications

(101 citation statements)

References 29 publications

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“…4), in agreement with other studies (Stüken et al, 2006;Moreira et al, 2015;Dokulil, 2015). Vegetative cells of C. raciborskii can survive at low temperatures (<12°C) and low light intensities, as found in Alte Donau Lake (Dokulil, 2015).…”

Section: Discussionsupporting

confidence: 93%

The success of the cyanobacterium Cylindrospermopsis raciborskii in freshwaters is enhanced by the combined effects of light intensity and temperature

et al. 2016

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Toxic cyanobacterial blooms in freshwaters are thought to be a consequence of the combined effects of anthropogenic eutrophication and climate change. It is expected that climate change will affect water mixing regimes that alter the water transparency and ultimately the light environment for phytoplankton. Blooms of the potentially toxic cyanobacterium Cylindrospermopsis raciborskii are expanding from tropical towards temperate regions. Several hypotheses have been proposed to explain this expansion, including an increase in water temperature due to climate change and the high phenotypic plasticity of the species that allows it to exploit different light environments. We performed an analysis based on eight lakes in tropical, subtropical and temperate regions to examine the distribution and abundance of C. raciborskii in relation to water temperature and transparency. We then conducted a series of short-term factorial experiments that combined three temperatures and two light intensity levels using C. raciborskii cultures alone and in interaction with another cyanobacterium to identify its growth capacity. Our results from the field, in contrast to predictions, showed no differences in dominance (>40% to the total biovolume) of C. raciborskii between climate regions. C. raciborskii was able to dominate the phytoplankton in a wide range of light environments (euphotic zone = 1.5 to 5 m, euphotic zone/mixing zone ratio <0.5 to >1.5). Moreover, C. raciborskii was capable of dominating the phytoplankton at low temperatures (<15°C). Our experimental results showed that C. raciborskii growing in interaction was enhanced by the increase of the temperature and light intensity. C. raciborskii growth in high light intensities and at a wide range of temperatures, suggests that any advantage that this species may derive from climate change that favors its dominance in the phytoplankton is likely due to changes in the light environment rather than changes in temperature. Predictive models that consider only temperature as a drive factor can therefore fail in predicting the expansion of this potentially toxic cyanobacterium.

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Section: Discussionsupporting

confidence: 93%

The success of the cyanobacterium Cylindrospermopsis raciborskii in freshwaters is enhanced by the combined effects of light intensity and temperature

et al. 2016

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“…Cylindrospermopsis raciborskii was often present and its abundance increased slightly after 2003 (Stefaniak & Kokocin´ski, 2005). Its increased abundance is typical for many eutrophic temperate lakes Stu¨ken et al, 2006). Cylindrospermopsis raciborskii reached its highest biomass during 2005, but biomass was nonetheless relatively low in comparison with other groups of algae.…”

Section: Discussionmentioning

confidence: 99%

The ecology of the invasive cyanobacteriumCylindrospermopsis raciborskii(Nostocales, Cyanophyta) in two hypereutrophic lakes dominated byPlanktothrix agardhii(Oscillatoriales, Cyanophyta)

Kokociński

Stefaniak

Mankiewicz-Boczek

et al. 2010

European Journal of Phycology

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Biological invasions have attracted particular attention since they often result in serious consequences for natural ecosystems. One planktonic invasive species is Cylindrospermopsis raciborskii, a cyanobacterium originally reported to occur exclusively in the tropics. Over the last few decades its range has extended to temperate regions and it occupies shallow highly eutrophic lakes previously dominated by other cyanobacteria. The purpose of this study was to examine the ecology of C. raciborskii during Planktothrix agardhii blooms in two shallow lakes in western Poland and to determine whether these species have different environmental preferences. Multiple linear regression showed that the biomass of P. agardhii was significantly negatively related to Secchi depth in Lake Bnin´skie. In Lake Bytyn´skie, P. agardhii was significantly positively related to concentrations of PO 3À 4 , chlorophyll a and total phosphorus and negatively related to Secchi depth, NO À 3 , and total nitrogen. Cylindrospermopsis raciborskii was significantly positively related only to concentrations of NH þ 4 . There was a negative correlation between the biomass of P. agardhii and C. raciborskii perhaps showing different responses to environmental variables. Moreover, the biomass of P. agardhii was negatively correlated with Shannon-Wiener diversity of the phytoplankton assemblages. Our results support the concept that these cyanobacterial species have different environmental preferences and their niches differ from each other. These results suggest that light is an important driver of phytoplankton community structure resulting in shifts from a community dominated by P. agardhii in very turbid waters to more diverse communities perhaps including the invasive C. raciborskii in clearer waters.

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“…A variety of genes have been used for studying the diversity and phylogenetic relationships among the Dolichospermum group and other cyanobacteria, including 16S rRNA, the internal transcribed Chrysosporum minor (Kiselev) Zapomělová et al, 2012 spacer (ITS) between 16S and 23S rRNA genes, rpoB and rpoC1 (RNA polymerase subunits), rbcL (ribulose-bisphosphate carboxylaseoxygenase) and cpcBA-IGS (phycocyanin intergenic spacer) (Fergusson and Saint, 2000;Gugger et al, 2002;Rajaniemi et al, 2005a;Willame et al, 2006;Stü ken et al, 2006;Ballot et al, 2010;Wang et al, 2013). Among which, ITS and cpcBA-IGS are the gene targets most commonly used for elucidating genotypic composition and dynamics in cyanobacterial communities, because they are more variable and therefore information-rich than the 16S rRNA.…”

Section: Genotypes Existing In Dolichospermum Blooms In Lakesmentioning

confidence: 99%

An overview of diversity, occurrence, genetics and toxin production of bloom-forming Dolichospermum (Anabaena) species

Dreher

2016

Harmful Algae

158

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Distribution of three alien cyanobacterial species (Nostocales) in northeast Germany: Cylindrospermopsis raciborskii, Anabaena bergii and Aphanizomenon aphanizomenoides

Cited by 122 publications

References 29 publications

The success of the cyanobacterium Cylindrospermopsis raciborskii in freshwaters is enhanced by the combined effects of light intensity and temperature

The success of the cyanobacterium Cylindrospermopsis raciborskii in freshwaters is enhanced by the combined effects of light intensity and temperature

The ecology of the invasive cyanobacteriumCylindrospermopsis raciborskii(Nostocales, Cyanophyta) in two hypereutrophic lakes dominated byPlanktothrix agardhii(Oscillatoriales, Cyanophyta)

An overview of diversity, occurrence, genetics and toxin production of bloom-forming Dolichospermum (Anabaena) species

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