Blooms of cochlodinium polykrikoides at al mamzar lagoon of dubai

Karuppaiyan Murugesan., Ibrahim Mohammed Ibrahim Ali Juma and Shadab Alam Khan

Intensive blooms of Cochlodinium polykrikoides caused in nature and affected tourism in the Al Mamzar lagoon of Dubai. The marine ichthyotoxic dinoflagellate Cochlodinium polykrikoides algal bloom was noticed at Al Mamzar lagoon on 13th to 16th March, 2016, which was rusty brown in color, no incidents such as foul odor or fish kill was observed in this area. Surface algal bloom samples were collected and using l lit. Clean polyethylene bottles for population estimation and preserved in acidified Lugols iodine solution and transferred to the Marine Laboratory for identification. The impact of the bloom was observed more (0.2 km2) on 13th march and the density of the bloom became much less covering smaller area. These kinds of HABs may have serious impacts on the health and dwelling of wild and marine organisms. However, during this incidence huge numbers of dead ctenophorea (Jelly fish) molluscan forms and other marine organisms were reported and some of the coastal birds were observed to have sickness and dizziness due to the algal blooms.

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