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Tag: "oceans" at biology news

Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect

...n be used to explore the fate of CO2 injected into oceans under various temperature and pressure conditions. Zhang's model shows that liquid CO2 would have to be injected to a depth of at least 800 meters (about a half mile) and possibly as much as 3,000 meters (nearly two miles) to keep it from escaping. ...

Wild birds help to create human flu vaccine

...gratory birds and the viral storms they carry over oceans and continents and share that data with the world," said Senator Joe Lieberman (D-CT), who recently introduced the Global Network for Avian Influenza Surveillance Act and has been working with congressional leaders to address this gap in US surveilla...

Missing fossil link 'Dallasaurus' found

...on land, but evolved in the seas and dominated the oceans at the same time dinosaurs ruled the land. One asp...seas rose, small land-dwelling lizards took to the oceans and developed increasing levels of seagoing capabilities, and over 30 million years, eventually evol...

Marine conservation organizations team up to conduct Indonesia coral reefs assessment

...Oceans Foundation's objective of conserving living oceans through the practice of Science Without Borders?," Capt. Renaud added. The survey outcomes will be incorporated into the Global Coral Reef Monitoring Network's (GCRMN) "Post-Tsunami Status of Coral Reefs Report" ? a special report in the "Status of ...

Restaurant seafood prices since 1850s help plot marine harvests through history

...iscuss discoveries about the bounty of the world's oceans over 500 years and the changes they have undergone...bution and abundance of marine life in the world's oceans has changed and the role humans have played in this dynamic process. More than 75 presentations at ...

How 'Dirt' Could Educate The Immune System And Help Treat Asthma

... researchers report. "Carbon dioxide dumped in the oceans won't stay there forever," Jain said. "Eventually it will percolate to the surface and into the atmosphere." ...

Climate change will affect carbon sequestration in oceans, model shows

... researchers report. "Carbon dioxide dumped in the oceans won't stay there forever," Jain said. "Eventually it will percolate to the surface and into the atmosphere." ...

Researchers find Amchitka seafood safe for now

...safe and what would have been expected anywhere in oceans in the Northern Hemisphere. CRESP PI Charles W. Powers says: "CRESP people are committed to explaining how we thought through all of the complicated issues posed by the data since the public deserves to have the same peace of mind that we have about ...

Oceans turning to acid from rise in CO2

...f CO2 from human activities continues to rise, the oceans will become so acidic by 2100 it could threaten ma....royalsoc.ac.uk/ Many scientists view the world's oceans as an important sink for capturing the human-induced greenhouse gas CO2 and slowing global warming. ...

A Father’s Day Gift: Free DNA Paternity Testing

...of products from marine biotechnology The world's oceans host 32 of the 34 known phyla on Earth, the report says. Species diversity is known to be as high as 1,000 per square meter in the Indo-Pacific Ocean. Significantly, the ratio of potentially useful natural compounds is higher in marine than terrestri...

Clear rules needed to govern deep sea bioprospecting: UNU

...of products from marine biotechnology The world's oceans host 32 of the 34 known phyla on Earth, the report says. Species diversity is known to be as high as 1,000 per square meter in the Indo-Pacific Ocean. Significantly, the ratio of potentially useful natural compounds is higher in marine than terrestri...

Digging in the dirt for life's biochemical foundations

...illion years, when plants began to move out of the oceans and onto land. Plants trade a bit of their sunlight-made sugars for building block nutrients that fungi wring from the soil. Scientists have understood broad outlines of this evolutionary bargain for years, but specific details remained fuzzy, especi...

Microbe has huge role in ocean life, carbon cycle

...tes that they became the dominant life form in the oceans largely by being the simplest." The new study outlines how SAR11 has one of the most compact, streamlined genomes ever discovered, with only 1.3 million base pairs ?the smallest ever found in a free living organism and a number that's literally tiny...

Industrial contaminants spread by seabirds in High Arctic, new Canadian study shows

...s. However, chemicals are emitted into the air and oceans from the populated parts of the globe, and are transported by air and ocean currents toward cold areas like the Arctic. "Some chemicals will build up in the food webs that comprise northern traditional diets," says Ms Kimpe. "As a result, some of ou...

Study casts doubt on 'Snowball Earth' theory

... "Snowball Earth" proponents, who say that Earth's oceans were covered by thick ice, explain the survival of...substantial photosynthesis occurred in the Earth's oceans during the extreme ice age 700 million years ago, which is a challenge for the snowball theory." Th...

Divergent life history shapes gene expression in brains of salmon

...ate from their freshwater birthplaces to mature in oceans versus those who do not leave the freshwater envir...well-known journey from their river birthplaces to oceans ? and then migrate heroically back upstream one to three years later to spawn ? and males of the sam...

Scientists discover global pattern of big fish diversity in open oceans

...e diversity of tuna, marlins, and swordfish in the oceans has declined by up to 50% in the last 50 years. "Everywhere you go, in every ocean basin, our "hotspots" today are only relics of what was once there," says Worm. "It really hurts to see this." In the first global mapping of predatory fish diversit...

Census of Marine Life explorers surprised by diversity, density of Arctic creatures

... change, if realized, will affect it and the other oceans in turn. For example, the Larsen B ice shelf on the Antarctic Peninsula collapsed in early 2002. Roughly 500 billion tonnes of ice sheet (3,250 square kilometers, about the size of Rhode Island) disintegrated in less than a month, what scientists ha...

Climatologists discover deep-sea secret

...emispheres are linked by a phenomenon by which the oceans react to changes on either side of the planet. A r...able more accurate forecasts to be made on how the oceans will react to climate change. The scientists have observed that at several periods in history when ...

Currents could disrupt ocean food chain

... on the ocean food chain in the Atlantic and other oceans could be severe, according to a new study just published in Nature. In a worst case scenario, global productivity of phytoplankton could decrease by as much as 20 percent and in some areas, such as the North Atlantic, the loss could hit 50 percent. ...

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