Aquatic ecology: GK, Current Affairs, Questions, Trivia and News

Arctic Ocean sea-ice is declining: Study

According to a study published in the journal Nature Climate Change, conducted by the University of California, Los Angeles (UCLA) in the U.S., Arctic Ocean may be ice-free for part of year starting sometimes between 2044 and 2067.  Satellite observations show that since 1979, the amount of sea ice in the Arctic in September has declined ..

Arctic Ocean may be invaded by microbes: Study

On 14 Nov, two studies published in the journal Cell found that the diversity of microscopic organisms habiting the Earth’s oceans are the least at the higher latitudes nearer to the poles and increase in a gradient towards the equator. The two studies analysed the diversity of these organisms in samples collected from ocean water ..

Injambakkam beach in Chennai and Besant Nagar’s Eliot’s Beach notices a blue shimmer on waves

On 18th August 2019, visitors to the Injambakkam beach in Chennai and Besant Nagar’s Eliot’s Beach noticed a blue shimmer on the waves i.e. Popularly known as ‘Sea Tinkle’. According to marine experts, the Noctiluca algae were behind this blue glow phenomenon. The algae exhibit the phenomenon of bioluminescence (or biologically produce light when disturbed). ..

Ministry of Housing and Urban Affairs launches 5th edition of Swachh Survekshan 2020

In New Delhi, the Union Ministry of Housing and Urban Affairs (MoHUA) has launched the 5th edition of the annual cleanliness survey – Swachh Survekshan 2020 (SS 2020) – with theme “Cleanliness is Our Right’’. The survey will be conducted in January 2020. On this occasion, the MoHUA also launched Swachh Nagar app for waste ..

Gujarat government launches ‘Reuse of Treated Waste Water Policy’ to reduce state’s dependence on fresh water

The Gujarat government has launched its ‘Reuse of Treated Waste Water Policy’ in Gandhinagar, which aims to reduce the state’s dependence on fresh water sources like the Narmada river. The policy will promote the use of treated wastewater and will see the setting up of Sewage Treatment Plants (STP) in all major towns and cities ..

Blue Carbon & Blue Carbon Initiative

Blue carbon refers to the carbon captured by living organisms in oceans and stored in the form of biomass and sediments from mangroves, salt marshes and seagrasses. The International Blue Carbon Initiative is a coordinated, global program focused on mitigating climate change through the conservation and restoration of coastal and marine ecosystems. The Blue Carbon Initiative focuses ..

Rayichapalu officially declared as one of rarest species of fish in world by Marine Living Resources Department of Andhra University

‘Rayichapalu’ has been officially declared as one of the rarest species of fish in the world by the researchers from the Marine Living Resources Department of Andhra University. The fish is a regular catch for fishermen in Visakhapatnam, Andhra Pradesh. It is a colourful fish which is around 97mm in length and lives near the ..

Underwater Robot gives rare glimpse beneath Antarctic sea ice

Remotely Operated Vehicle sent down by scientists of the Australian Antarctic Division (AAD) has captured a rare glimpse beneath the Antarctic sea ice through a small hole drilled in the ice. It also recorded the acidity, oxygen, salinity and temperature of the seawater in the area. The footage captured by the robot reveals a productive, ..