Marine Ecosystems

State of the Climate in Asia 2024

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing serious threats to lives, ecosystems, and economies. In 2024, Asia experienced its warmest or second warmest year on …

Oceans absorb 22m tons carbon dioxide daily

The five-day World Ocean Conference has ended in Indonesia's Sulawesi Island with a focus on the state of the oceans, the role they play in the world's changing climate and the negative effects of climate change on the world's oceans. Speaking on the opening day, Richard Spinrad, the head of …

Desalination Plant Clears Final California Hurdle

The biggest seawater desalination plant in the Western Hemisphere, north of San Diego, can begin construction by year's end after a six-year effort to win regulators' approval, the developer said on Thursday. The San Diego Regional Water Quality Control Board voted unanimously on Wednesday to approve permit revisions for the …

The coral triangle and climate change: ecosystems, people and societies at risk

This report sets out the full extent of the threats and proposes solutions to the challenges facing the Coral Triangle and its people. Based on a thorough consideration of the climate, biology, economics and social characteristics of the region, it shows why these challenges are increasing, and how unchecked climate …

World Seabed In Dispute At May 13 Claims Deadline

The world faces disputes over the seabed from the South China Sea to the North Pole at a May 13 UN deadline for claims meant as a milestone towards the final fixing of maritime boundaries. Most coastal states have to define their continental shelves, areas of shallower water offshore, by …

An alternative energy plan for the Konkan

The proposal to generate nearly 20,000 megawatts of power by building new power plants on a narrow strip of the Konkan coast is a recipe for an ecological and social disaster. The government should learn from the past experience of such coal-based power plants, reassess the true demands for energy …

Coral diseases a rising problem, says study

J. Praveen Paul Joseph Nine types of diseases found in Gulf of Mannar Black band disease found in a coral. Tuticorin: Suganthi Devadason Marine Research Institute (SDMRI) here has been conducting a study on the prevalence of the coral diseases in the Gulf of Mannar (GoM) and Palk Bay since …

Siphoning the spill

Crude oil in the form of marine spills has always given governments, environmentalists and oil companies more than a dozen reasons to worry. Spilled on the ocean surface, it is known to cause immediate and long-term damage that is likely to continue for centuries to come. The Exxon Valdez oil …

Resilience assessment of coral reefs: assessment protocol for coral reefs, focusing on coral bleaching and thermal stress

The report, Resilience Assessment of Coral Reefs - Rapid assessment protocol for coral reefs, focusing on coral bleaching and thermal stress, shows that the amount of damage done to corals depends not only on the rate and extent of climate change, but also on the ability of coral reefs to …

Oceans and climate change: issues and recommendations for policymakers and for the climate negotiations

The global oceans community is very thankful to the Government of Indonesia for hosting the World Ocean Conference 2009 to put the limelight on the relationship between climate change and oceans, coasts, and small island developing States (SIDS). The political consensus that will be reached by governmental representatives in issuing …

Plan to upgrade fisheries facility in Mandapam

It is to be developed as a core facility for mariculture RAMANATHAPURAM: The Regional Centre of Central Marine Fisheries Research Institute (CMFRI) would be made as a Centre of Mariculture and Marine Biodiversity, said S. Ayyappan, Deputy Director General (Fisheries), Indian Council of Agricultural Research (ICAR). Presiding over a national …

Limits to marine life

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

Japan goes for a coral transplant

Sekisei Lagoon: Beneath the waves of this sapphire-blue corner of the East China Sea, a team of divers was busily at work. Hovering along the steep face of a coral reef, some divers bored holes into the surface with compressedair drills that released plumes of glittering bubbles. Others followed, gently …

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 …

Oceanic nickel depletion and a methanogen famine before the Great Oxidation Event

A decrease in atmospheric methane levels might have triggered the progressive rise of atmospheric oxygen about 2.4 billion years ago, but the cause of this methane decrease remains uncertain. Kurt Konhauser and colleagues report a decline in the oceanic nickel-to-iron ratio about 2.7 billion years ago, which they attribute to …

Safety of marine species and harbour: KFHA to press for ban on dumping of fish, shrimp

Karachi Fish Harbour Authority (KFHA) is planning to strictly implement the laws that effect ban on landing of small size fish and shrimps at the harbour to protect the marine animals against extinction. Talking to Business Recorder on Tuesday, KFHA Managing Director Aijaz Ahmed Mangi said that the authority will …

Marine litter: a global challenge

Marine litter is a global concern affecting all the oceans of the world. It poses environmental, economic, health and aesthetic problems that are rooted in poor solid waste management practices, lack of infrastructure, indiscriminate human activities and behaviours and an inadequate understanding on the part of the public of 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 …

Occurrence and distribution of some enteric bacteria along the southern coast of Kerala

Six major groups of enteric bacteria, viz, Faecal coliforms, E. coli, Shigella spp., Salmonella spp., Vibrio parahaemolyticus and Vibrio cholerae were screened for the present study. The overall percentage occurrence of enteric bacteria in water and sediment was maximum accounted for Vibrio parahaemolyticus (81.7%) and minimum for Salmonella spp. (9.6%) …

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