Tag: "oceans" at biology news

Life in the inferno: researchers identify factors that determine where microorganisms can survive in the hellish world deep underground

...steroids routinely pelted the earth and caused the oceans to boil, Onstott said, so microorganisms living deep underground may provide clues about the emergence of life on the developing planet. "If you want to understand primitive microbial ecosystems, the only place you can go is into the subsurface," he ...

For a fish, there's no place like home, say major studies, offering key information for fisheries management

...Pathbreaking fisheries research from two different oceans yielded the same results, published as this week's...elements by plasma mass spectrometry to study past oceans and climate, said it is very fortuitous that the same techniques work to track marine larvae by anal...

Most highly endowed promotion prize for fourteen scientists and scholars

... economically important ore deposits formed in the oceans in former times. In 1990, Herzig discovered ore deposits of unusally high gold content in the south-west Pacific, and was able to identify pure gold in oceanic floor sulphides for the first time. Prof. Dr. Reinhard Jahn (48), Cell Biology, Max P...

UNC-CH biologists identify new order of marine fungi

...s and boats, and recycle their stored nutrients in oceans and especially estuaries. Without them and their cousins, life would cease to exist in its current form on Earth. Four years ago, the UNC-CH biologists reported discovering a unique ballistic form of reproduction that a species they named Glomero...

Today's Science for America's Tomorrow: the USGS FY 2001 Budget

... for understanding how the land interacts with the oceans and the air as well as the many uses that are made of the land. Studies will focus on the Columbia River, where significant research is needed on the complex issue of salmon health and management alternatives; restoring coastal habitats in the Grea...

The future of planet earth: scientific challenges in the coming century

...tine or Polluted? The earth's seemingly boundless oceans and scenic coastlines have limits. The oceans cannot provide unlimited fish to feed growing populations, nor can they absorb unlimited wastes from...

Iron-binding compounds produced by marine bacteria have important implications for marine microbial ecology

...ke are so important. Scientists estimate that the oceans currently absorb a largefraction of the carbon dioxide produced by man's burning of fossil fuels.The rate of accumulation of man-made carbon dioxide responsible for climatechange depends of how much carbon dioxide mankind emits, and how much of the e...

Food web theory suggests ecology may be governed by general rules

...of biodiversity loss on ecosystems as different as oceans and deserts." Working from their assertion that complex food webs arise from species having a simple pecking order of "who eats whom," Martinez and adjunct biology professor Richard Williams devised a theoretical model of food web organiza...

Concorde to blame for missing pigeons?

... that birds can hear, but not people. Waves in the oceans continually exert pressure on the seabed, making the land shake. These seismic shivers radiate infrasound up into the air. According to Hagstrum, steep hillsides reflect the sound waves horizontally, forming unique infrasound beacons whose signals ca...

$1.5 million awarded to marine conservationists

...ogram calls awareness to the critical state of our oceans and invests in viable solutions." The fellowships are highly competitive awards targeted primarily to mid-career professionals. Nominations are made through an international network of environmental experts. A 12-member international advisory committ...

Discovery of fossil mollusks in Alaska links histories of Arctic Ocean and Isthmus of Panama

...llusk, lived only in the Arctic and North Atlantic oceans until prior to the opening of the strait. The di...ks in the North Pacific, Arctic and North Atlantic oceans led him to conclude that the direction of seawater flow through the Bering Strait gateway must have ...

Global warming may be delayed by increase in ocean silica

...ty has doubled the amount of dust delivered to the oceans today. Until now, scientists have been unable to propose an elegant mechanism to link this increase in dust with decreasing atmospheric carbon dioxide. In Paleoceanography, Harrison proposes just such a mechanism: The Silica Hypothesis. This hypothe...

Reefs and atolls of the Australian outback

... be traced to the evolution of the atmosphere, the oceans and perhaps to life itself," said Dr Lemon. Oil and gas are known from similar, younger reef complexes around the world. "The Golden Lane atoll on the east coast of Mexico, and the Golden Spike reef in Alberta Canada are examples of prolific oil pro...

New evidence indicates huge vegetation loss accompanied mass extinction

...mental shifts, volcanism or the overturning of the oceans to release trapped gases into the atmosphere. In their research, paid for by a National Science Foundation grant, Ward, Montgomery and Smith do not speculate which, if any, of the theories is correct. But they say that the way plant life disappeared ...

Marine genomics researchers discover new ocean protein

...epresent a new mechanism for cycling carbon in the oceans and utilizing sunlight for food production. The study, conducted by researchers from Amersham Pharmacia Biotech and Monterey Bay Aquarium Research Institute in Moss Landing, CA, is published in the September 15, 2000 issue of Science. The protein,...

Researchers discover new oceanic bacterial photopigment that converts light into biochemical energy

... California -- Microscopic bacteria in the world's oceans have only recently been detectable, but new studies are revealing surprising evidence of their importance. Microbiologists from the Monterey Bay Aquarium Research Institute (MBARI) report in the 15 September 2000 issue of the journal Science th...

October Geology and GSA Today highlights

...t intense interval of global warming heated up the oceans and atmosphere. The magnitude and abruptness of the event can be explained by a series of catastrophic releases of the greenhouse gas methane from the seabed, which perturbed the global carbon cycle and led to a 23 C increase in average global temper...

Researchers receive federal funds to study marine organisms and potential products on oil platforms

...d here September 27, as part of President Clintons oceans initiative. The potential medicines include anti-cancer and anti-inflammation agents. Only two universities are receiving these awards, the University of California, Santa Barbara and Louisiana State University, since these institutions are national...

Fishing woes will cast need for aquaculture biotech

... that 60 to 70 percent of fisheries in the world's oceans are threatened by over fishing. One out of every four fish eaten in the world is raised by aquaculture. There has been a 10 percent annual growth rate in the world aquaculture for several years in sequence, according to the FAO. The agency estimates ...

Ocean sponge source of new drug discovery

...is staff screened 3,500 samples collected from the oceans and stored at Harbor Branch. McCarthy called th...in the world's oceans, and the need to protect the oceans for what they offer." The compounds comprise a completely new class of antifungal agents called cy...

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