Sea turns green in Gulf of Mannar due to algal bloom
The Hindu
CMFRI studying the phenomenon with other agencies
MADURAI
In a rare phenomenon called algal bloom, the sea has turned green in Gulf of Mannar in Ramanathapuram district - from Pamban to Vedhalai, and Periyapattinam to Keelakkarai - in the past few days.
When thousands of fish washed ashore, fishermen were alarmed. According to R. Jeyakumar, Principal Scientist with the regional centre of Centre for Marine Fisheries Research Institute, a green algae called noctulica scintillans occurs during September and October - the window period between the southwest and northeast monsoons. This rapid increase of algae population happens due to a combination of factors such as rise in sea temperature and low wind condition. Because of the low wind, the algae which thrives on nutrition, settles inside the bay region, because of the static water caused due to low wind and without scope for dispersion.
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