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Discovery of Active Hydrothermal Vents in the Central Indian Ridge: Scientific and Regulatory Implications

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Oceanographers have discovered active hydrothermal vent systems in the Indian Ocean, revealing unique biological communities and mineral-rich deposits. This finding provides essential data for the International Seabed Authority as it develops environmental regulations for deep-sea mining.

Indian scientists from the CSIR-National Institute of Oceanography (NIO) have recently identified active hydrothermal vent fields in the Central Indian Ridge (CIR) of the Indian Ocean. These vents, often referred to as "black smokers," are fissures on the seabed that discharge geothermally heated water rich in dissolved minerals. This discovery is significant as it confirms the presence of active vent systems in a region previously less explored compared to the Atlantic or Pacific Oceans. The discovery holds immense biological value. Unlike most life on Earth, the ecosystems surrounding these vents do not rely on photosynthesis. Instead, they host unique chemosynthetic biological communities that derive energy from chemical reactions involving minerals like hydrogen sulfide. Understanding these extremophiles is crucial for evolutionary biology and provides insights into the origins of life in extreme environments.

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