Posts Tagged With: Ayushi Singh

Creatures in deepest parts of oceans found containing toxins

Facts:

  • Crustaceans like Hirondellea Gigas, living about 33,000 ft down in the Pacific Ocean are lately found to be polluted by PCBs and PBDE chemicals.
  • Scientists conducted their study by catching creatures in the Mariana Trench in the Western Pacific, which is the deepest point on the seabed.
  • They are shocked by the high levels of poison.
  • Scientists stated that the reason for the high concentration may be the trash or the remains of contaminated fish that sink and build up on sea-beds and provide food for the scavengers.

Background:

  • Polychlorinated Biphenyls are a group of persistent organic pollutants (POPs) that were used in electrical equipment and Polybrominated Diphenyl ethers are organobromine compounds used as flame retardants.
  • In 2001, at the Stockholm Convention, the governments of many States decided to outlaw the PCBs because of health and environmental concerns.
  • In 2009, at the Geneva Convention, the PBDEs were also included in the list.

Source: in.reuters.com

– News post compiled by Ayushi Singh

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Vaquita Marina on the verge of extinction, only 30 left in number

Facts:

  • World’s smallest porpoise, Mexico’s Vaquita Marina is close to extinction as warned by scientists lately.
  • The International Committee for the Recovery of the Vaquita (CIRVA) reported that the situation has worsened despite all the conservation measures and the current enforcement efforts.
  • The scientists also stated that unless the current gill net ban is maintained and effectively enforced, the porpoise is likely to decline to extinction by 2022.
  • In a possibly last effort to save the Vaquitas, scientists are planning to get the government approval and capture Vaquita specimens and put them in an enclosure in the Gulf of California so that they can reproduce.
Image result for vaquita marina

Courtesy: Greenpeace

Background:

  • The tiny Vaquita Porpoise is found only in the shallow waters of Gulf of California.
  • Vaquita Porpoise which means the ‘little cow’ is the most endangered of the 128 marine mammals alive in the world.
  • In response to this, a number of steps have been taken and are being taken by the Mexican Government.

 

Source: WWF/IUCN/CIRVA

 – News post compiled by Ayushi Singh

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Need for action to protect ‘The Lungs of the Sea’

Facts

Image result for seagrass

Courtesy: BBC

 

  • Lately, more than 100 scientists from 28 countries of the world have called for global action to protect the seagrass meadows.
  • This particular call for action is being led by Dr. Richard Unsworth of Swansea University.
  • In a recent statement the scientists said that the seagrass meadows are important fish nurseries and key fishing grounds in the world.
  • They continued that the loss of seagrass  puts the livelihood of hundreds of millions of people at risk and exposes many of them to increasing levels of poverty.
  • As of now, there is no international legislation for the protection of seagrass, therefore protection typically happens at a local or regional level.

Background

  • Seagrass is known as the ‘lungs of the sea’ because it has the ability to generate oxygen through photosynthesis.
  • Seagrass is generally found in shallow waters of coastal regions on every continent except Antarctica. Now a days, its growth is declining globally at a rate of about two percent a year because of pollution and human disturbances.

Source

http://www.bbc.com

News item compiled by Ayushi Singh

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