IAS (Admin.) Mains Geography Economic Geography-World Resources and Their Distribution Study Material (Page 19 of 31)

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Marine Resources for Livelihood- Global, Regional and Local: Introduction, Impact of Mineral Oil on Marine Environment, over Fertilisation of the Seas

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Introduction

  • We observe June 8 as world ocean day since 2009 with an aim to protect the marine resources and make the world aware of the importance marine area have. Oceans are directly and indirectly supporting the existence of the planet lie this by regulating local climate, providing food and livelihood to millions of people and acting as an important transportation medium.
  • But the result of increasing population rates and increasing atmosphere and water pollution and unscientific fishing practices has had its adverse effects on oceans too. The loss of coral reefs and the bleaching of the coral ecosystem are main examples of the destruction caused by the humans to oceans. 33% of total coast area in the world is under ma…

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Marine Resources for Livelihood- Global, Regional and Local: Impact of Sand and Gravel Extraction, Impact of Sea Floor Mining, Marine Fisheries at Stake

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Impact of Sand and Gravel Extraction

Using suction drudging sand and gravel are being extracted from the ocean floor using ships. Some of the impacts they cause are listed below;

  • Drives away fishes because of its noise and sediment mixing in the areas of their hunting and breeding.
  • It can harm fishing equipment like lobster pots.
  • This extraction can alter the habitat of different sea species.
  • Fish stocks are being compromised by the suspended sediment being stirred up, and…

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