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Global warming, a serious threat to fishery resources

Staff Reporter

Winter school for fisheries professionals inaugurated


20 scientists attending

To estimate aquatic biodiversity


Tuticorin: Time has come for us to take the climatic changes like global warming much more seriously as melting of glaciers could pose serious threat to fishery resources, according to Y.S. Yadava, Member Secretary, Coastal Aquaculture Authority of India.

Inaugurating a 21-day winter school on ‘Biodiversity and stock assessment methods for fisheries professionals’ organised by Fisheries College and Research Institute here on Wednesday, he said that liquefying of the glaciers along the mountain ranges and the ice masses in the tropics could lead to a rise in water levels in rivers and seas, which would alter the ecology at the estuaries.

“Since many of the fish species breed near the estuaries, any change in the ecology would have a cascading effect on the fish population,” he added.

The global warming could also reduce the oxygen levels in the water and change its chemical composition.

He said that the scientists should carry out detailed research to study the profound effect of global warming on aquatic species living in rivers, seas and oceans in the eastern hemisphere.

“Presently, we did not have any data bases on the topic for the region unlike the ones developed for aquatic species in the western hemisphere,” he added.

V.K. Venkataramani, Dean, FCRI, said that the Indian Council of Agricultural Research-sponsored winter school was aimed at enriching the knowledge of scientists and lectures on new fish stock assessment tools and estimation of aquatic biodiversity.

He said that lectures, exercises, group discussions and practical sessions would be conducted at the winter school.

A total of 20 scientists and lecturers from various universities in Kerala, Jammu and Kashmir, Maharashtra, Andhra Pradesh, Uttar Pradesh and Tamil Nadu are attending.

Earlier, Mr Yadava released the course material by handing over the first copy to Dr Venkataramani.

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