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Tamil Nadu
Focus on need to protect coral reefs
Staff Reporter
TUTICORIN: The two-day national conference on ‘Coral Reef System’ commenced at Fisheries College and Research Institute, Tuticorin, a constituent of Tamil Nadu Veterinary and Animal Sciences University, on Thursday.
According to V.K. Venkataramani, Dean, FCRI, coral reefs were mainly affected by natural threats such as global warming, coral bleaching, pollution and also by anthropogenic activities like destructive fishing methods dynamiting, blasting, over exploitation and discharge of pollutions sewage.
While 10 per cent of the reefs have been completely destroyed across the globe, 60 per cent were at risk due to destructive human activities. In South East Asia the reef destruction was still alarming.
High sea surface temperature coupled with high irradiance triggered the loss of Zooxanthelae and its dinoflagellate pigmentation also results in coral bleaching.
Every year rise in one degree in the average water temperature could harm the coral and 1998, the hottest year in the last six centuries, was the worst for corals, he added.
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