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Home Environment

New Red Algal Seaweed

March 31, 2021
in Environment
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New Red Algal Seaweed
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In News: Recently, Two new red algal seaweed species, discovered along the coasts of Kanyakumari in Tamil Nadu and in Gujarat and Daman Diu by a group of marine botanists, led by Felix Bast from the Central University of Punjab, Bathinda (CUPB).

About New Red Algal Seaweed

  • Hypnea indica was discovered in Kanyakumari in Tamil Nadu, and Somnath Pathan and Sivrajpur in Gujarat.
  • Hypnea bullata was discovered from Kanyakumari and Diu island of Daman and Diu.
  • It is for the first time we have discovered these red algal species of sea weeds along Indian coasts.

Significance Hypnea 

  • Hypnea variants of seaweeds can fetch good monetary value if commercial-scale cultivation is taken up. 
  • Hypnea contains Carrageenan, a biomolecule commonly used in the food industry.

What is Seaweed?

  • Seaweeds are also known as Macroalgae.
  • Constitute several species of marine plants and algae. 
  • Seaweeds may also include Red, Green and Brown algae. 
  • Seaweeds can grow in the ocean, rivers, lakes and other water bodies. 
  • There are many types of seaweeds such as nori and laver seaweed. 
  • Seaweeds are attracting interests all around the world for its potential in commercial exploitation and sustainability needs.

Commercial Significance of Seaweeds

  • Seaweed is full of vitamins, minerals, & fibre.
  • Many seaweeds contain anti-inflammatory & anti-microbial agents.
  • They are known to process significant medicinal effects.
  • Certain seaweeds possess powerful cancer-fighting agents.
  • They are effective binding agents (emulsifiers) & are used as commercial goods as toothpaste & fruit jelly, & popular softeners (emollients) in organic cosmetics & skin-care products.

Seaweed Cultivation Potential in India

  • India is among the 12 mega-biodiversity nations in the world.
  • India has an Exclusive Economic Zone (EEZ) of 2.17 million km2.
  • The Indian coastline, with its different coastal ecosystems, supports luxuriant growth of diverse seaweed populations, having considerable economic importance.
  • About 844 seaweed species are reported from India which has a coastline of 7,500 km.
  • On the West Coast, especially in Gujarat, abundant resources are present on the intertidal & subtidal regions.
  • These resources have great potential for the development of seaweed-based industries in India.
  • Tamil Nadu, Gujarat coasts, Lakshadweep & Andaman & Nicobar Islands are abundant in seaweed.
  • Rich seaweed beds are also found around Mumbai, Ratnagiri, Goa, Karwar, Varkala, Vizhinjam & Pulicat in Tamil Nadu & Chilka in Orissa.
  • Gulf of Mannar is home to more than 240 seaweed varieties out of which at least 185 are edible ones
Source: Indian Express
Tags: News PaperPrelims

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