Science and Technology Production
Book Chapter
Authorship
Ricardo Echenique
;
ANABELLA AGUILERA
;
Leda Giannuzzi
Date
2014
Publishing House and Editing Place
E. Schweizerbart Science Publishers
Book
Freshwater phytoplankton of Argentina
(pp. 431-444)
E. Schweizerbart Science Publishers
E. Schweizerbart Science Publishers
ISBN
978-3-510-47067-9
Summary
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SIGEVA
The massive presence of harmful Cyanobacteria in freshwaters has been acknowledged since 1878 when the death of a series of farm animals associated with a bloom of Nodularia spumigenawas registered in Australia. In Argentina, these phenomena are known since 1944 when in the Bedetti shallow lake (Province of Santa Fe) about 1000 farm ducks died as a consequence of the ingestion of water after a mixed bloom of various species of blue green algae developed.The anthropic impact on aquatic ecosystem...
The massive presence of harmful Cyanobacteria in freshwaters has been acknowledged since 1878 when the death of a series of farm animals associated with a bloom of Nodularia spumigenawas registered in Australia. In Argentina, these phenomena are known since 1944 when in the Bedetti shallow lake (Province of Santa Fe) about 1000 farm ducks died as a consequence of the ingestion of water after a mixed bloom of various species of blue green algae developed.The anthropic impact on aquatic ecosystems favours eutrophication and, combined with rising temperatures due to global climate change, promotes the development and expansion of harmful algal blooms. Cyanobacterial blooms are now widely recognised as a serious water quality problem with regard to both recreational and drinking water. In Argentina, several toxigenic Cyanobacteria have been reported and associated with blooms, being the most common genera Microcystis and Dolichospermum (Anabaena), while the most common cyanotoxins detected are microcystins. In this article we present four case studies related with the presence of toxigenic Cyanobacteria in drinking water, involving Snowella lacustris, Microcystis aeruginosa and species of Dolichospermum (Anabaena).
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Key Words
TOXIGENICCIANOTOXINSCYANOBACTERIA