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On World Environment Day Scientists Highlight The Need For Study On Impact Of Microplastics On Mangroves

As per scientists of Council of Scientific and Industrial Research – National Institute of Oceanography, microplastics are plastic particles measuring less than five millimetres which can easily pass into sea and other water bodies, posing a potential threat to aquatic life

On World Environment Day Scientists Highlight The Need For Study On Impact Of Microplastics On Mangroves

Panaji: Scientists have underlined the need to conduct a detailed study on the impact of microplastics on the mangrove ecosystem in the country, as it is believed that these tiny plastic particles can adversely affect marine life. As far as Goa is concerned, the previous studies by the CSIR-NIO (Council of Scientific & Industrial Research- National Institute of Oceanography), located near Panaji, had confirmed the presence of microplastics along the coastline in the famous tourist destination.

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Researchers feel that studies can be done in selected sites like the Zuari, Mandovi, Chapora, Terekhol, Talpona and Galgibag rivers and in Salim Ali bird sanctuary near Panaji. Microplastics, measuring less than five milimetres, come from a variety of sources including larger plastic debris that degrades into tinier pieces. These small particles can easily pass into the sea and other water bodies, posing a potential threat to aquatic life.

Dr. Mahua Saha, Senior Scientist with CSIR-NIO said on the World Environment Day,

It is important to know what types of microplastics are accumulated in the mangrove sediments and sediment-related flora and fauna, and their sources in abundance. The findings will provide a new insight into distribution, transportation, and transformation of microplastics in mangrove eco-systems located on the semi-enclosed sea.

Scientists have conducted a preliminary study of the mangrove ecosystem in the Mandovi river, but the need for detailed research is felt to find out the exact impact of microplastics on this eco-system. Dr. Saha said,

There is no detailed study on the impact of microplastics on the mangrove eco-system in India. The countries like Singapore, Malaysia, and China have conducted the studies bringing in results that are alarming.

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Underlining the importance of such study, she said the mangrove eco-systems always serve as buffers and act as barriers to prevent delivery of land-based inorganic and organic contaminants into the sea. The senior scientist said, “However, limited information is available on the distributions of microplastics in the mangrove ecosystems.”

Dr. Saha also added that the Indian mangrove vegetation is the fourth largest in the world, which is distributed along the coastline and occupies eight per cent of the total world mangrove covering 6749 square kilometres.

The entire mangrove habitats in India are situated in east coast, west coast and the Andaman & Nicobar Islands. Dr. Saha said,

East coast zone ranges from Sundarban forest of West Bengal to Cauvery estuary of Tamil Nadu and comprises 70 percent mangroves while the West Coast region, which stretches from Bhavnagar estuary of Gujarat to Cochin estuary of Kerala, constitutes 15 per cent mangroves. Various species of mangroves are reported along the coast of Gujarat, Maharashtra, Goa, and Karnataka, respectively, in western India.

She also added that mangrove vegetation in Goa is spread on 500 hectares.

Also Read:Goa On The Green Road: Waste Management To Be Taught In All Government Schools From This Academic Session In The State

NDTV – Dettol Banega Swachh India campaign lends support to the Government of India’sSwachh Bharat Mission (SBM). Helmed by Campaign AmbassadorAmitabh Bachchan, the campaign aims to spread awareness abouthygieneandsanitation, the importance of buildingtoiletsand making Indiaopen defecation free (ODF)by October 2019, a target set byPrime Minister Narendra Modi, when he launched Swachh Bharat Abhiyan in 2014. Over the years, the campaign has widened its scope to cover issues likeair pollution,waste management,plastic ban,manual scavengingandmenstrual hygiene. The campaign has also focused extensively onmarine pollution,clean Ganga Projectand rejuvenation ofYamuna, two of India’s major river bodies.

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