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Marine Ecosystem: An Overview

  • Abhijit Mitra
  • Sufia Zaman
Chapter

Abstract

About 71 % of the surface of the planet Earth is covered by saline water. The water depth averages 3.8 km, a volume of 1370 × 106 km3. This is the marine ecosystem and is the reservoir of food, oil, natural gas, minerals and several bioactive substances that have immense importance in the pharmaceutical industries. The ecosystem sustains the livelihood of millions of people. The oceans serve as the main highway for international trade as well as the main stabilizer of the world’s climate. The oceanic waters and sediments are also the dwelling place of a large variety of flora and fauna. According to the Global Biodiversity Assessment, produced by the United Nations Environment Programme (UNEP), there are 178,000 marine species in 34 phyla.

Keywords

Continental Shelf Continental Slope Turbidity Current Abyssal Plain Submarine Canyon 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Supplementary material

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Copyright information

© Springer India 2016

Authors and Affiliations

  • Abhijit Mitra
    • 1
  • Sufia Zaman
    • 2
  1. 1.Department of Marine ScienceUniversity of CalcuttaKolkataIndia
  2. 2.Department of OceanographyTechno India UniversityKolkataIndia

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