DAILY NEWS ANALYSIS

Monthly DNA

12 Nov, 2020

5 Min Read

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Paper	Topics	Subject
GS-III	500 METRE TALL CORAL REEF	Biodiversity & Environment
PT Pointer	DESALINATION PLANT IN MUMBAI	S&T

GS-III : Biodiversity & Environment Wildlife & Fauna

500-METRE-TALL CORAL REEF

Scientists have discovered a detached coral reef in the Great Barrier Reef of Australia taller than the Empire State Building of the United States.

About the reef

The newly discovered reef adds to the seven other tall detached reefs in the world. This includes Raine Island.
Raine Island is the most important Green Sea Turtle nesting area in the world.

What are Detached reefs?

Detached reefs are the reefs that are bedded to the ocean floor but are not a part of the main body of the Great Barrier Reef.
The newly found detached reef has great potential for the new species to evolve because there is a lot of deep water between this reef and the next coral community.

Source: TH

GS-III : S&T Indigenization of Technology

DESALINATION PLANTS

Uddhav Thackeray cleared Mumbai’s first desalination plant.

What is the Swiss Challenge method?

The Brihanmumbai Municipal Corporation (BMC) is planning to take the ‘Swiss Challenge Method’ for the project.
Under this, a project can be awarded to a private player on an unsolicited proposal.
The private firm which has first submitted a proposal can be approached directly for negotiations and if they do not agree, then other bidders are called.

What are desalination plants?

A desalination plant turns salt water into water that is fit to drink.
The most commonly used technique used for the process is reverse osmosis where external pressure is applied to push solvents from an area of high-solute concentration to an area of low-solute concentration through a membrane.
The microscopic pores in the membranes allow water molecules through but leave salt and most other impurities behind, releasing clean water from the other side.
These plants are mostly set up in areas that have access to sea water.

Source: PIB

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