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Blue Tide phenomenon observed in Maharashtra

  • IASbaba
  • November 28, 2020
  • 0
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Blue Tide phenomenon observed in Maharashtra

Part of: GS Prelims and GS-III – Environment; Science

In news

  • Over the last few days, visitors to beaches in Maharashtra have witnessed the fluorescent bluish glow when the waves hit the shoreline.

Key takeaways

  • The phenomenon is called ‘blue tide’.
  • It appears when luminescent marine life makes the sea appear a deep shade of blue.
  • It occurs when phytoplankton (microscopic marine plants), commonly known as dinoflagellates, produce light through chemical reactions in proteins. 
  • Waves disturb these unicellular microorganisms and make them release blue light.

Do you know?

  • Bioluminescence is the property of a living organism to produce and emit light.
  • Animals, plants, fungi and bacteria show bioluminescence.
  • A remarkable diversity of marine animals and microbes are able to produce their own light. 
  • It is found in many marine organisms such as bacteria, algae, jellyfish, worms, crustaceans, sea stars, fish and sharks.
  • Luminescence is generally higher in deep-living and planktonic organisms than in shallow species.
  • It is an anti-predatory response. 
  • Bioluminescence is assumed to startle predators, causing them to hesitate.

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