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  • Krill are small, shrimp-like crustaceans that live in all the world's oceans. 

  • They are an important part of the marine food web. 

  • Food source for many different animals, including whales, penguins, seals, and fish. Krill are also a valuable commercial resource, harvested for their oil and other products.

  • Krill are typically 2-6 centimeters long and have a transparent body with reddish brown markings

  • They swim in large swarms, sometimes numbering in the millions. 

  • Krill feed on phytoplankton, which are microscopic plants that float in the water.

  • Krill help to cycle nutrients and energy through the food web. 

  • Krill also help to control populations of phytoplankton, which can otherwise bloom and harm marine ecosystems.

  • Krill are used to produce a variety of products, including krill oil, krill powder, and krill meal

  • Krill oil is a popular dietary supplement that is rich in omega-3 fatty acids. 

  • Krill powder and meal are used in animal feed and aquaculture.

Why krill fishing is banned in many national waters

  • Some countries have banned krill fishing in their national waters to protect their cultural and spiritual values. 

  • Krill are an important part of the traditional cultures of some indigenous peoples

  • krill fishing can have a negative impact on these cultures.

  • Krill are a vital part of marine ecosystems and biodiversity, and they support sustainable fisheries. 

  • It is important to manage krill harvesting carefully to ensure that it is sustainable and does not harm marine ecosystems or human health.

Why krill fishing is banned in many national waters

  1. To protect marine ecosystems

  2. To protect biodiversity

  3. To support sustainable fisheries

  4. To protect human health



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Krill UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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