Scientists discover new source of natural fertilizer in oceans
...red nitrogen fixers appear to be active at greater depths and over longer time periods than other marine cyanobacteria known to fix nitrogen in the open ocean. The researchers are publishing their findings in the August 9 issue of the journal Nature. Zehr has also found evidence that many additional kinds o...New source of natural fertilizer discovered in oceans
...red nitrogen-fixers appear to be active at greater depths and over longer time periods than other marine cyanobacteria known to fix nitrogen in the open ocean. On land, nitrogen-fixing bacteria are a known quantity, residing in the roots of legumes like peas and beans. While many nitrogen-fixing cyanobacte...Rutgers scientists to explore ocean depths off New York-New Jersey harbor
...New Jersey region and wondered what's in the ocean depths a few hundred miles out, a Rutgers-led team of scientists is about to find out. The scientists will dive more than a mile to the ocean floor to explore the vast underwater world of the Hudson Submarine Canyon off the New York-New Jersey harbor from ...NSF-funded researchers track Alaska seal migration for the first time
...ed -- roughly seven weeks last summer -- diving to depths of more than 50 meters (164 feet). "The great thing is that you have people sharing information and learning together," said Sheffield. "I was working with men who work with and observe these animals on a daily basis. They are the experts on the a...Wealth of new species discovered from the abyssal plains of the Atlantic Ocean
...ew information on biodiversity in the poorly known depths of the south Atlantic Ocean. The early results from the project Latitudinal Gradients in the Deep Sea of the Atlantic Ocean: DIVA were presented at a workshop at the University of Oldenburg, Germany, on September 18, 2001. The results were the first...Researchers zero in on date of early hominids
...state, they had a series of markers from different depths of the formation that allowed them to hone in on a more precise date. What they also discovered was that the Erk-el-Ahmar magnetic profile matched almost exactly a magnetic profile taken from the ocean floor in the North Atlantic - research conducted...Pleasure boat speed limits can stir up trouble in shallow lakes
...n State engineers instrumented the lake bottoms at depths from 3 to 7 feet with an acoustic Doppler velocim... outboard boats, at different speeds and different depths over the instrumented lakebeds. "We did not see much impact from personal watercraft in water de...Rare squid found in Gulf of Mexico
...id in Sager's photos has also been observed in the depths of the Atlantic, Indian and Pacific oceans. The Science article points out that the squid can't be positively identified until specimens are captured, but it appears to be a new species. Videos taken by Sager will be available on the Web at ...White sharks migrate thousands of miles across the sea, new study finds
...e animals seemedto prefer swimming at two discrete depths - one within 15 feet (5 meters)of the surface, the other 900 to 1,500 feet (300 to 500 meters) down. All four sharks spent up to 90 percent of the day in these two diving zonesand little time at intermediate depths, according to the Nature study. "A...Scientists use seals as 'underwater eyes'
...that the majority of the 336 fish were observed at depths greater than 160 meters (524 feet), with a few bei...also indicate that toothfish may be more common at depths less than 200 meters (656 feet) than previously thought. Although their data were gathered in An...Alien life forms more likely to be found outside solar system, says Colorado prof.
...on Earth," Pace said. Primitive life forms in the depths of planets or moons are not likely to contribute to changing the surface. The key to abundant and diverse life on the surface of Earth and likely other planets is photosynthesis, which captures light energy and converts it into energetic electrons ...Rock-eating microbes survive in deep ocean off Peru
... voyages have found specimens of these bacteria at depths of up to 800 meters below the sea floor, and we estimate that they may number between 10 and 30 percent of the Earth's biota. That means that the biosphere is larger than previously thought - it doesn't just stop at the sea floor." Other expedition...X-ray analysis of shipwreck may help conservators save waterlogged artifacts
...bsorption spectrum of the core sample at different depths in SSRL. This was the first time that the sulfur x-ray absorption spectrum was measured on wood." Said Frank, who taught Jalilehvand how to analyze the spectra she collected: "X-ray spectroscopy is almost uniquely suited to evaluating the chemistry o...URI scientists study life buried deep beneath the ocean floor
... sediment. Microorganisms have been recovered from depths as great as a half-mile below the seafloor and hav...floor, so sulfate is destroyed at shallow sediment depths and the concentration of methane, a hydrocarbon gas, builds up to high levels at greater sediment de...Stealthy new deep-sea camera system may find new deep-sea creatures
...pture images of creatures that live in the darkest depths of the world's oceans. You might say Dr. Edie...terey Canyon area off Monterey Bay, California, at depths of between 700 meters and 1,000 meters. What makes the camera so unique is its ability to sit a...Scientists find cause of dead crabs, fish off coast
...is always a large pool of very low oxygen water at depths 2,500 feet below the surface, but this does not normally affect marine life near the coast. Lubchenco is co-principal investigator for another ongoing research project called the Partnership for Interdisciplinary Studies of Coastal Oceans, or PISCO. ...MIT team probes arsenic and old lakes
...ystery. Iron and arsenic in water sampled from the depths of U.M.L. in summer were not in the chemical forms Hemond and earlier graduate students expected. Senn's assignment: find out why. In the Northeast, lakes follow a seasonal cycle. In the summer they become stratified: cold water on the bottom is topp...Robots powered by the ocean itself
...ve years in a vertical zig-zag from the surface to depths of about 5,000 feet and back. As it does so it measures salinity and temperature, plots currents and eddies, counts microscopic plants, and even records "biological" sounds like whale songs. An earlier battery powered model is used to study coastal ...November GEOLOGY and GSA TODAY media highlights
...impressive 140 m.y. package of pelagic sediment at depths between 170 and 623 meters below the seafloor. The key success of the drilling was the abundant evidence for short-lived (<1 m.y.) warming events, and other major intervals of rapid climate and environmental change. These transient events, prelim...Walleye fishery threatened; Puerto Rico aquaculture, calling ALVIN on ocean bottom
...eign countries will begin a virtual journey to the depths of the Pacific Ocean through Delaware Sea Grant's "Mission to the Abyss" education program. Students and teachers will follow the action as University of Delaware scientist Craig Cary explores hydrothermal vents in the Pacific Ocean. Cary and his te...