Plastic nurdle spill from sunken cargo ship reaches TN's Dhanushkodi sanctuary, raising alarm

Chennai, June 10 A plastic nurdle spill from the sunken cargo ship MSC ELSA 3 has spread into the newly declared Dhanushkodi Greater Flamingo Sanctuary in Ramanathapuram district, threatening one of India’s most fragile coastal ecosystems.

The MSC ELSA 3, a Liberian-flagged vessel, sank off the Kochi coast a few weeks ago while carrying 640 containers, including 13 with hazardous materials, 12 with calcium carbide, 367 tonnes of furnace oil, and 84 tonnes of diesel.

The ship’s cargo manifest remains undisclosed, fuelling speculation about the full extent of environmental risk.

Dhanushkodi Sanctuary, located within the Gulf of Mannar Biosphere Reserve, supports 128 species of birds -- including Greater and Lesser Flamingos -- and is home to sea turtles, crustaceans, molluscs, and fish. Its dunes, marshes, and seagrass beds form part of the Central Asian Flyway for migratory birds.

The nurdles -- tiny plastic pellets used in industrial manufacturing -- resemble fish eggs and can be deadly to marine life. When ingested, they cause internal blockages, starvation, and often death. They also absorb toxins, entering the food chain and posing long-term health hazards.

About 80 bags, each weighing 25 kilograms, have reportedly washed ashore along a 12-km coastal stretch. Affected sites include the Dhanushkodi old church, Irattaithalai, Mugandharayan Chathiram, Gothanda Ramar temple, and Patchappatti village.

Carried by ocean currents from the Thiruvananthapuram-Kanniyakumari coast, the spill now threatens the adjacent Gulf of Mannar Marine National Park, home to vital coral reefs and seagrass beds.

Experts warn these habitats could be smothered by plastic debris, blocking sunlight and disrupting photosynthesis.

Ramanathapuram District Collector Simranjeet Singh Kahlon said, “We’ve identified between 15 and 30 nurdle bags along the coast. A special team has been deployed for cleanup, and additional teams are monitoring for further debris.”

He urged the public not to panic, stating that swift action was underway.

The disaster evokes memories of the 2021 X-Press Pearl incident in Sri Lanka, where 1,680 tonnes of nurdles led to mass marine deaths and crippled fisheries.

Studies showed severe impacts on plankton and larval life forms, threatening entire food chains.

Cleanup efforts in Ramanathapuram face challenges due to the nurdles’ buoyancy and small size, worsened by monsoon waves that break them into microplastics.

With the 61-day annual fishing ban nearing its end, fishermen fear reduced fish catches and consumer hesitancy could harm their livelihoods if the spill worsens.

Environmentalists are calling for urgent intervention, cargo transparency, and long-term containment measures to prevent irreversible damage to one of India’s most critical marine ecosystems.

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