Abstract
The cyanobacteria Cylindrospermopsis raciborskii, is a fresh water ubiquitous species from tropical to temperate weather. It is potentially capable of producing toxins. Thus it is necessary to monitor its presence in fresh waters associated to recreational use activities and human consumption. There are official reports and one thesis reporting the presence of C. raciborskii in Ecuador. Nevertheless, this country does not appear in the latest distribution maps of this species in the scientific literature. In this article, we report the presence of C. raciborskii in Ecuador, together with the characterization of the environmental conditions of one of the habitats where this species is present: the Limoncocha lagoon, province of Sucumbíos.
Highlights
Cyanobacteria are photosynthetic prokaryotic organisms present in fresh water ecosystems
Some of them are able to produce toxins that confer a competitive advantage against other groups. This is the case of Cylindrospermopsis raciborskii (Woloszynska, 1912), a filamentous cyanobacteria able to fix nitrogen and to form akinetes, a thick-walled dormant cell that serves as a survival structure
In Ecuador, C. raciborskii has been reported in Daule-Peripa reservoir and Daule river (Provincia de Guayas) in 2011 (Prado M. & Bucheli R., 2012) and Yaguacocha lagoon (Provincia de Imbabura) by Saelens (2015)
Summary
Cyanobacteria are photosynthetic prokaryotic organisms present in fresh water ecosystems. Some of them are able to produce toxins that confer a competitive advantage against other groups This is the case of Cylindrospermopsis raciborskii (Woloszynska, 1912), a filamentous cyanobacteria (order Nostocales) able to fix nitrogen and to form akinetes, a thick-walled dormant cell that serves as a survival structure. In Ecuador, C. raciborskii has been reported in Daule-Peripa reservoir and Daule river (Provincia de Guayas) in 2011 & Bucheli R., 2012) and Yaguacocha lagoon (Provincia de Imbabura) by Saelens (2015) These findings have not been reported in the scientific literature, Ecuador has been excluded from the latest report on C. raciborskii geographical distribution proposed by Antunes in 2015. This work aims to update the worldwide presence of C. raciborskii, adding Ecuador to the distribution area compiled by Antunes (2015)
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