High cyst concentrations of the potentially toxic dinoflagellate Alexandrium tamarense species complex in Bedford Basin, Halifax, Nova Scotia, Canada
2013
Lacasse, Olivia | Rochon, André | Roy, Suzanne
We report a large cyst bed of the potentially toxic and bloom-forming dinoflagellate Alexandrium tamarense species complex in bottom sediments from the port of Halifax, Nova Scotia, Canada. The average cyst concentrations of that species ranged from 4033±2647 to 220872±148086cystsg−1 of dry sediments and the highest concentrations were found near ship terminals in Bedford Basin. Although this species is endemic to this region, our work strongly suggests that some of the cysts of A. tamarense species complex found in the port of Halifax were introduced through discharged ballast water and sediments.
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