Garbage choking marine life: study

K.S. Sudhi

The Hindu, July 3, 2014 

Litter is choking the marine ecosystem, besides defacing the beaches, in southern India.
An assessment carried out by the Centre for Marine Fisheries Research Institute (CMFRI), Kochi, across 150 beaches in Kerala, Karnataka, Tamil Nadu and Andhra Pradesh has brought to shore disturbing results of marine pollution. The study also covered some beaches in Maharashtra.
Incidentally, the United Nations Environment Programme had pointed out that pollution was posing threat to marine life, tourism, fisheries and businesses.
Beaches in Maharashtra topped the list with an average of 6.7 kg litter per 10 sq m. On the Karnataka beaches, litter weighing 3 g to 856 g were found in one sq m. The Mulki Beach in the State recorded the highest rate of littering as 1,788 g litter was collected from one sq m.
The Kerala average was found to be in the range of 4 g to 22 g. Plastic bottles, pouches and bottles formed major components of the refuse.
TN relatively clean
Tamil Nadu painted a relatively clean picture as the State average was in the range of 1 to 2.94 g per sq m and pieces of fishing nets dominated the rubbish there.
While liquor bottles outweighed all other pollutants, polythene carry bags, milk covers, styrene dining plates and polyurethane foam used as insulators in refrigerators and freezers were found strewn across the sandy stretches.
More beaches will be surveyed shortly, researchers said.
Impaired feeding
Garbage on the beaches, floating in sea and settled on the seafloor poses threat to marine biota through ingestion or impaired feeding and digestion of the animals, pointed out V. Kripa, Head of the Fishery Environment and Management Division of the Institute.
The rubbish also impairs the movement of marine animals and prevents their escape from predators. Sunken debris spoils marine habitats including the feeding and breeding grounds of a number of species and hits the sustainable production of marine resources, Dr. Kripa said.
E-waste
E-waste including mobile phone chargers, CFL bulbs, toys and fish nets were found among the litter, said P. Kaladharan, Principal Investigator of the project.
The research team included V.V. Singh, P.S. Asha, K. Vijayakumar, E. Loveson, Bindu Sulochana N.D. Prema, and R. Jeyabhasker.
 

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