Tag: "seafloor" at biology news
UA strengthens commitment to Arctic research
...nd reproduction of animals that live on the arctic seafloor
and how those animals may react to climate changes, as well as how they relate to animals in other oceanic realms, including animals on the sea ice and at various depths beneath the surface Principals: Bodil Bluhm and Katrin Iken, School of Fisheri...
Lucky find off Galapagos
...bes in the deeply buried, vast ecosystem below the seafloor
carry out hitherto unrecognized processes, which are highly relevant to both our understanding of global element cycles and the metabolic abilities of Earth's microbial biosphere. "In a way, the finding was coincidental," Hinrichs states. Onboard the...
$20 million to expand seafloor observatory
...km network of powered fibre optic cable across the seafloor
in the deep ocean off the B.C. coast. A series of ... influence on fisheries, gas hydrate deposits, and seafloor
ecology. "I want to express my appreciation to CFI, BCKDF and Alcatel for recognizing the importan...
Methane devourer discovered in the Arctic
...: High flow velocities of mud volcano water in the seafloor
reduce the efficiency of the natural gas filter by...ifferent: Tubeworms grow about 60 cm deep into the seafloor
and actively pump seawater into deeper layers. Microorganisms living at the roots of the worms profi...
ACS News Service Weekly PressPac -- Oct. 18, 2006
...al gas) found in vast natural deposits beneath the seafloor
in coastal areas of the United States and certain other parts of the world. When brought to the surface, hydrates pop and sizzle as they release gas and burst into flame if ignited. Known hydrate deposits hold enough natural gas to supply the world f...
Oldest complex organic molecules found in ancient fossils
...plants, they are marine animals. They cling to the seafloor
and feast on plankton that float by. The crinoids in this study had flower-like fronds capping skinny stalks about six inches high -- a look resembling "starfish on a stick," said William Ausich, professor of earth sciences and O'Malley's co-adviso...
Extraordinary life found around deep-sea gas seeps
...rch vessel Tangaroa. Cold seeps are areas of the seafloor
where methane gas or hydrogen sulphide escapes fro...ential seep sites using sophisticated sonar to map seafloor
topography and substrate and to detect plumes of methane-enriched water. The scientists then lowered...
Scientists lose instruments, gain first look at seafloor formation
... in 2003 to study the little-understood process of seafloor
spreading--a process that is responsible for the f...." The East Pacific Rise is one of three active seafloor
spreading centers targeted by the National Science Foundation's Ridge 2000 program to document the p...
Extreme life, marine style highlights 2006 ocean census
...rutal conditions around 407C fluids spewing from a seafloor
vent (the hottest ever discovered), a mighty micro...g biodiversity in the Gulf of Mexico and along the seafloor
of the Great Barrier Reef. The Census Ocean Biogeographic Information System now publishes over 14...
Microbe fixes nitrogen at a blistering 92 degree Celsius
...nitrate. Ocean water that percolates down into the seafloor
can pick up enough heat from volcanism deep in the earth to cause the fixed nitrogen to revert to its gaseous form. Venting water hotter than 30 C contains very little nitrate so organisms in areas where the subseafloor temperatures are higher would ...
Four Arnoux's Beaked Whales observed from Polarstern expedition
..., the most distinct group of animals living on the seafloor
in the shelf ecosystem. As the first working groups are supplied with organisms scientific work is running. Fish survey On the way to the Antartic Peninsula where the major scientific work will be running Polarstern carried out more than 75 thirt...
Polarstern's biggest fish catch in 24 years of research in Antarctic waters
... vicinity to its preferred habitat; and 2. certain seafloor
topographies, such as canyons or cliffs may be conducive to its aggregation. The tendency to shoal made them an easy target for commercial fisheries in the past. After depletion of marbled Antarctic cod stocks the "Convention on the Conservation of A...
ROV discovers Antarctic seafloor fauna
...ent technology to uncover the secrets of Antarctic seafloor
fauna. As a precursor to the International Polar Y...itute for Polar and Marine research releases short seafloor
video clips taken by ROV only a few hours after the robot has been recovered. ROVs have become th...
Wanderlust -- deep-sea fauna under Antarctic ice shelf
...e years ago. This is surprising since Antarctica's seafloor
communities are known for their rich assemblages o...riads of single-celled algae that sink down to the seafloor
are literally grazed by herds of sea cucumbers. The oceanographer Enrique Isla is excited about furt...
'Good vibrations' from deep-sea smokers may keep fish out of hot water
...the Main Endeavour vent field. The field is on the seafloor
about 300 miles west of Seattle on the Juan de Fuca Ridge. Crone recorded 45 hours of sound at the vent scientists call "Sully" and 136 hours at the vent called "Puffer." That's the sound of Sully you're hearing as the video runs. Crone likens the so...
Cold climate produced by algae contributed to onset of multicellular life
...he moving and burrowing activity of animals on the seafloor
contributed to a more efficient decomposition of the algae-produced organic carbon, which slowed the rate of organic carbon sequestration. This in turn increased the atmospheric carbon dioxide level and ended the severe glaciations and the reign of u...
The last wild hunt -- Deep-sea fisheries scrape bottom of the sea
...ts worldwide, industrial trawlers are dragging the seafloor
deeper than a mile. Super trawlers over 600 feet long are equipped with flash freezers and giant fuel tanks that allow them to stay at sea for months going from place to place, mining rich areas of fish to depletion, then moving on. "All fisheries ...
'Ten Commandments' could improve fisheries management
...ral boundaries in the sea. Monitor and maintain seafloor
habitats to make sure fish have food and shelter. Maintain resilient ecosystems which are able to withstand occasional shocks. Identify and maintain critical food-web connections, including predators and forage species. Adapt to ecosystem ch...
Antarctic marine explorers reveal first biological changes after collapse of polar ice shelves
... Polarstern Discoveries and Insights Larsen zone seafloor
sediments were extremely varied, ranging from bedrock to pure mud. As a result, animals living on the sediment (epifauna) were highly varied as well, though far less abundant in the Larsen A and B areas perhaps only 1% animal abundance compared to s...
Mysteries of the Atlantic
... Cook. The team intends to use sonars to image the seafloor
and then take rock cores using a robotic seabed drill. The samples will provide a rare opportunity to gain insights into the workings of the mantle deep below the surface of the Earth. ...
1 2 3 4