Tag: "sea" at biology news
Faster coagulation rates found in natural systems could impact industrial processing
...ria and plankton form in the ocean and sink to the sea
floor had long been known even though the prevailing theory could not account for the phenomenon. The settling of organic carbon on the ocean floor, in the form of plankton, bacteria and other biological material, is dominated by large aggregate se...
Satellite imagery pinpoints El Niño's disruption of marine ecosystem
... strongest on record. In a 15-year span, satellite sea
surface temperatures for some regions were the highest in 1998 and lowest in 1999. The researchers observed a strong transition out of the El Niño in 1998 into the cold surface water La Niña event in 1999. "The difference between '98 and '99 ...
Marine genomics researchers discover new ocean protein
...robial ecology, energy and nutrient cycling in the sea
SUNNYVALE, CA, 14 September 2000 - Using the same DNA sequencing technology that played a key role in decoding the human genome, scientists have discovered a new type of light-activated protein in surface water bacteria that may represent a new mec...
Turning down the Sun
...n summer at high latitudes, because there was less sea
ice to reflect the sunlight and keep the polar reg...l temperature went up by 1.75°C, the volume of sea
ice went down, and it rained more at high latitudes as additional water evaporated into the clouds n...
October Geology and GSA Today highlights
...onic processes to elevations of up to 1400 m above sea
level. The issue concerning the stability of the ice sheet has been vigorously debated on the basis of conflicting evidence from the Transantarctic Mountains. This new area of investigation provides evidence that those who support a dynamic ice sheet...
Ice-breakers drive whales away
...ng. "Areas of ice that provide breathing holes for sea
mammals are unlikely to need ice-breakers," he say...ed by scientists studying broader noise effects on sea
mammals. By analysing long-range effects of noise patterns, they could advise icebreaker operators, ...
International research group led by UMass scientist sequences genome of ubiquitous microbe
...grows best in an environment 10 times saltier than sea
water. The achievement will be published in the Oct. 3 edition of the journal Proceedings of the National Academy of Sciences (PNAS). DasSarma and Hood led a consortium of researchers from 12 universities and research centers in the U.S., Cana...
Scientists discuss ecological forecasting
... and prediction. Policy consideration of projected sea
level rise in coastal zone planning illustrates how we already rely on environmental forecasts, however limited, as best guide to decade scale impacts. Clark is quick to point out that while we may never have precise ecological forecasts, it will...
Finding by Syracuse University and University of Michigan researchers reveals secret to mass extinction events
... ago, almost 90 percent of the tiny, shell-bearing sea
creatures living along the U.S. Gulf Coast were wiped out and replaced by completely new species of shellfish or mollusks. The same pattern was occurring worldwide, marking the largest global mass extinction since the dinosaurs disappeared. Until now...
Researchers uncover secret to mass extinction events
... ago, almost 90 percent of the tiny, shell-bearing sea
creatures living along the U.S. Gulf Coast were wiped out and replaced by completely new species of shellfish or mollusks. The same pattern was occurring worldwide, marking the largest global mass extinction since the dinosaurs disappeared. Until ...
Tiny RNA may be universal regulator of developmental timing in animals
...elopmental timing in creatures as diverse as fish, sea
urchins, mollusks, marine worms, flies, nematodes ...llyfish, coral, sponges, worms, flies, mice, fish, sea
urchins and sea
squirts. By analyzing the genes of this Noah's ark of creatures, the team found th...
Ancient quakes leave mark from Kentucky to New York
...arger catastrophic events (usually combinations of sea
level, climate change and other major crises) to push life out of what he calls "coordinated stasis" into a period of rapid extinction and evolution. "The common theme seems to be some kind of accelerated change after long periods of little change. A...
Scientists launch the worlds first marine life census
...nstrating the feasibility of tracking thousands of sea
creatures in the northern Pacific with the use of ...ead turtles. Runners-up included squid, California sea
lions, loggerhead turtles, California gray whales, sperm whales, sooty shearwaters (a migratory bird...
December Geology and GSA Today highlights
...Scale 10-13 earthquake. We find evidence from deep sea
drilling that much of the eastern seaboard of Nort...d and generated vast flows of debris into the deep sea
as a result of the quake. The resulting mass flows reached as much as 1200 km offshore and accumulat...
New N.C. ferry-linked water monitoring begins generating useful data for analysis
...d to a water intake line in the vessel's protected sea
chest below deck and amidships, Paerl said. Some of the water, needed for the ferry's air conditioning system, is first diverted to devices that record temperature, salinity, pH, dissolved oxygen, chlorophyll and geographic position once a minute. A ...
Scientists track phosphate to better understand global warming
...- to better understand how it cycles through soil, sea
and living organisms. Phosphorus is an essential nutrient for all organisms including plants, which through photosynthesis remove carbon dioxide - the greenhouse gas most responsible for global warming - from the atmosphere and bind it into organic m...
Elephant seals - looking good
...on not only on the mammals themselves, but also on sea
temperatures and pressure from depths not normally reached by research ships and satellite sensing. The sensors weigh no more 5 pounds on land. They are slightly buoyant and shaped to minimize drag. When the seals return to their breeding grounds aft...
Chemical may deter starfish from devouring endangered coral reefs
...ec. 17 - Researchers have discovered a chemical in sea
urchins that might be used to lure starfish away f...versity in Nagoya, Japan, recently discovered that sea
urchins contain a chemical that appears to attract starfish. After laboratory analysis, they isolate...
NASA space technology shines light on healing
...th in a hospital, working in a submarine under the sea
or on your way to Mars inside a spaceship, the LEDs boost energy to the cells and accelerate healing." Dr. Whelan's findings will be summarized in upcoming issues of Space Technology and Applications International Forum 2001 and in The Journal of Cli...
Potent new compound from blue-green algae may help treat, elucidate nerve disorders
...ection of cyanobacteria growing like hairs off the sea
floor. We brought several liters of it back to Oregon for testing." Marine cyanobacteria, also called blue-green algae, are most familiar to many people as "pond scum." Back in the laboratory, Gerwick's team ground up samples of the simple plant ...
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