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Detailed explanation-1: -The Bay of Bengal (BoB) hosts a ‘dead zone’ of around 60, 000 square kilometers almost devoid of oxygen, a new multi-national study has shown1. The findings point to implications on global nitrogen balance. Marine ‘dead zones’ contain no oxygen.

Detailed explanation-2: -In short, Dead zones contain no oxygen and are also associated with nitrogen depletion, which means they are void of most marine life. In the Indian Ocean region, a dead zone has been identified in the Bay of Bengal.

Detailed explanation-3: -The majority of the world’s dead zones are located along the eastern coast of the United States, and the coastlines of the Baltic States, Japan, and the Korean Peninsula. As a result of the dramatic increase in dead zones, scientists have categorized coastal systems experiencing any symptoms of eutrophication.

Detailed explanation-4: -"Dead zone” is a more common term for hypoxia, which refers to a reduced level of oxygen in the water. Less oxygen dissolved in the water is often referred to as a “dead zone” because most marine life either dies, or, if they are mobile such as fish, leave the area.

Detailed explanation-5: -Dead zones are areas in bodies of water like the Chesapeake Bay that have little to no oxygen. Fish, crabs, oysters and other aquatic life literally suffocate in these zones.