Journal
MARINE POLLUTION BULLETIN
Volume 99, Issue 1-2, Pages 264-270Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2015.07.057
Keywords
Baltic Sea; Harmful cyanobacterial blooms; Microbiological pollutants; Recreational waters; Planktothrix agardhii
Funding
- Research Council of Lithuania [MIP-036/2012]
- National Science Centre in Poland [NCN 2012/0518/B/NZ8/01222]
- Klaipeda University - EU Structural Assistance [VP1-3.1-SMM-08-K-01-019]
- Shirshov Institute of Oceanology RAS, Atlantic Branch [GR 01201376664]
- Nature Research Centre under Lithuanian open access network initiative
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Concentration of toxic cyanobacteria blooms on the downwind shore of high recreational amenity water bodies with largely increases the risk of exposure to cyanotoxins. In this study analysis of phytoplankton structure, cyanotoxin composition and concentration was performed on cyanobacteria scum material, high- and low-density bloom samples in the Curonian Lagoon. We found that the concentration of cyanotoxins in the scum material increased from similar to 30 to similar to 300-fold compared to bloom samples. In Microcystis aeruginosa dominated samples microcystin-LR was present at the highest concentration, while the dominance of Planktothrix agardhii was associated with the occurrence of dmMC-RR as the major microcystin variant. The toxicological potential of cyanobacterial scums in the Curonian Lagoon is emphasized, and management by removal of these scums is proposed. (C) 2015 Elsevier Ltd. All rights reserved.
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