Marine Research

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Human fishing spree goes back 1000 years

We have been depleting fish stocks not just for decades but for many centuries, according to a new historical survey.

Varsity creates space for environmental research

CHENNAI: There is a growing need for science students to pool in their ideas and develop a sustainable way to control pollution and curb global warming, according to speakers at the inauguration of Dana Bergh Hall, a chamber for coastal environmental research in Anna University, here on Monday. Speaking at …

Sinks below and stays there

Algal neurotoxin enters deep-sea food web, kills whales while crab cakes and marinated clams make for delightful cuisine, shellfish poisoning is a health risk. Shellfish feed on algae that produce harmful toxins. Domoic acid (DA) is one such neurotoxin, dangerously high levels of which are produced during algal blooms of …

Whales give clues

To lives of elusive giant octopuses and squids seafarers

Science & Technology - Briefs

health sciences Mussels in surgery Natural adhesive proteins secreted by marine mussels may replace sutures in surgery. Sutures, made from sheep intestines, are used to repair tissues in a surgery. Sutures can cause infection and inflammation. Synthetic adhesives are also used to repair tissues but they are not biodegradable and …

Arctic Fossil Shows How Seals Went From Land To Sea

Scientists in Canada's Arctic have discovered the fossil of a previously unknown web-footed carnivore that helps explain how seals developed from land-based mammals, a member of the team said on Wednesday. The very primitive animal, measuring around 110 cm (43 inches) from nose to tail, had a body similar to …

Limits to marine life

Ocean "dead zones" devoid of aerobic life are likely to grow as carbon dioxide concentrations rise.

Oslo Sets Limit On Arctic Seabed, Short Of North Pole

Norway became on Wednesday the first Arctic state to agree limits to its northern seabed, stopping short of the North Pole in a regional territorial scramble driven partly by hopes of finding oil and gas. Norway's newly defined continental shelf covers 235,000 sq kms (90,740 sq miles), or three-quarters the …

Pacific ocean synthesis: scientific literature review of coastal and ocean threats, impacts, and solutions

The objective of this Pacific Ocean synthesis is to comprehensively and systematically survey the published scientific literature, government publications and other peer-reviewed reports to identify Pacific Ocean and regional threats as well as the environmental and socioeconomic impacts of those threats. In addition, the report highlights select regional and Pacific …

Science and Technology - Briefs

evolution Wolves from dogs Human beings can enrich biodiversity without doing much. Take raising dogs as pets, for example. A study says dogs have helped in the evolution of black colour in wolves. This bodes well for wolves inhabiting fast depleting snow-covered northern environments like the Arctic tundra. While hunting, …

Save oceans from acidifying

Fish can do it by producing and excreting carbonates THE marine carbon cycle is undergoing rapid changes. An excess of unregulated carbon will eventually acidify the oceans. A new study demonstrates that fish have the potential to save the marine carbon cycle. Until now scientists believed that the calcium carbonate …

Netrani Island to be heritage site

State biodiversity board identifies the island, which is inhabited by several endangered species Kaushik Chakravarthy, Bangalore: The Karnataka Biodiversity Board has identified Netrani Island, off the coast of Karwar, as a biodiversity heritage site. The island, which is 19 km away from the temple town of Murudeshwar, is surrounded by …

Drugs from the sea

The marine environment is one of the most fascinating realm. Due to the physical and chemical conditions of the marine environment, almost every class of marine organism exhibits variety of molecules with unique structural features, which are not found in terrestrial natural products. Today researchers have isolated approximately 11,000 marine-derived …

Fish eat weed, save corals

CORAL reefs are a major part of the coastal economy. Fishermen harvest corals for ornamental trade. But, reefs are at risk and there is very little data on what factors put them in the high-risk category. Listing some of the possibilities, Naveen Namboodiri, post-doctoral fellow at Ashoka Trust for Research …

Project to evolve farming methods for fish production sanctioned

Tuticorin: A project on export-oriented marine value chain for farmed seafood production using Cobia (Rachycentron canadum) through rural entrepreneurship was sanctioned by National Agricultural Innovation Project. It would be done at a cost of Rs.264.89 lakh. Tamil Nadu Veterinary and Animal Sciences University (TANUVAS) would be the Consortium Leader, Central …

Does 'junk food' threaten marine predators in Northern Seas?

Some fish-eating birds and mammals have full bellies but poor diets, say biologists puzzling over declines among these high-latitude marine predators.

Managing marine and coastal protected areas: a toolkit for South Asia

Managing Marine and Coastal Protected Areas: A Toolkit for South Asia (South Asia Toolkit) has been prepared to help MCPA managers in their daily tasks. Containing 81 theme sheets arranged in two parts: The Management Process and Conservation and Sustainable Use, the Toolkit provides up-to-date information and practical guidance on …

Protect scheduled marine animals

TUTICORIN: A workshop was organised on capacity building in identification of scheduled marine animals for officials of various departments including Forest Department, Customs and Coast Guard here on Tuesday. The objective of the workshop, jointly by Suganthi Devadason Marine Research Institute and Gulf of Mannar Biosphere and Reserve Trust to …

Science & Technology - Briefs

marine sciences Rare corals aplenty According to researchers from James Cook University rare coral species might not be at high risks of extinction due to small population sizes.Their tendency to hybridize saves them. The previous prediction was that small population sizes led to decreased genetic diversity, which in turn decreased …

Indian Ocean blues

The coastal waters off western India may be the largest natural low-oxygen system. In summer and autumn the oxygen level drops to 0.2 mg per litre, said S W A Naqvi, chemical oceanographer at National Institute of Oceanography in Goa. During these seasons, the institute

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