Blue glow noticed at Chennai seashore


Seashores alongside the scenic East Coast Street close to this metropolis glowed fluorescent blue on Sunday, mesmerising the night walkers and sea lovers who gloated on the social media of getting witnessed “historic occasion” by posting photos and movies.

Although hundreds of individuals have been elated over bioluminescent waves being noticed alongside the Chennai coast, scientists and environmentalists say it could be a warning that every one is just not properly within the ocean.

Images and movies of waves turning blue swarmed the Web, particularly the micro-blogging website Twitter, with a number of of them elated over the ocean sparkle and fantastic photos that the “occasion” generated. The blue rays have been seen by individuals alongside the coast from Kovalam to Thiruvanmiyur on Sunday night, however its impact was much less in Elliot’s and Marina Seaside within the metropolis.

That is the primary time that bioluminescent waves are being sighted on an Indian seashore although it’s fairly widespread in a number of nations just like the US.

Bioluminescence is attributable to Noctiluca scintillans, a kind of phytoplankton that convert their chemical power into mild power when washed ashore. Bioluminescence happens broadly in marine vertebrates and invertebrates, in addition to in some fungi, microorganisms together with some bioluminescent micro organism and terrestrial invertebrates equivalent to fireflies.

As there was jubilation amongst individuals, Pooja Kumar, Activist & Researcher on the Coastal Useful resource Centre right here took to Twitter to elucidate what the blue rays meant.

“You will need to keep in mind that this can be a signal of a presumably unhealthy ocean. First, these microscopic plankton often bloom in areas the place there’s oxygen deficit, and doubtlessly excessive ranges of nitrogen, phosphorus and so forth which is often unhealthy information for the bigger marine meals internet,” she wrote.

These blooms have additionally been linked to large fish kill, as a result of ammonia launched and so they have additionally been implicated within the decline of fisheries in some locations, Pooja Kumar defined. Different researches additionally stated the impression of the blue rays on fish can be identified solely within the coming weeks or months.

Reputed publication, Journal Nature, had in an article stated N. scintillans blooms may disrupt the standard diatom-sustained meals chain to the detriment of regional fisheries and long-term well being of an ecosystem.

Pooja Kumar additional stated these blooms have additionally been linked to warming oceans on account of local weather change.


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