At Life's Most Sensitive Stage, Embryos Cope With Stress
...seaweed,that depend on the vagaries of current and tide to get sperm and egg togetherclose enough for fertilization to begin. Previous studies assumed that these organisms release huge numbers ofreproductive cells, or gametes, when water is turbulent - good for distribution,but with a fertilization succes...When To Reproduce? It's All In The Timing
...t from Scandinavia, and they collected plants from tide pools along theMaine coast. They also received plants from researchers in California. "We were able to simulate in the laboratory that high salinity is one ofthe cues for the release of gametes, and all of that was done under calmconditions,"...Pollution, Food Stress Take Toll On Bald Eagles
...ficulties, particularly south of the millwhere the tide sweeps effluents into a large, reservoir-like bay. "All thecontaminants were six to 15 times higher in eaglets south of the mill," saysGill. "North of the mill, contaminants were much lower and nesting success wasabout 20 per cent higher." E...Future Of West Tied To Saving, Not Extracting, The Land
...mous "frontier thesis," the west nowfaces a riding tide of challenges, including relentless development, battlesover public land and environmental blight. The symposium focuses on the interior west composed of eight states of the GreatBasin and Rocky Mountains. From 1980 - 1990, the population in these e...Coastal Birds "Feel" Their Prey Under The Sand
...sensor in their beak does not work. As soon as the tide has goneout far enough for the shallows to dry out, the birds therefore fly to areaswhich are still wet. The nature of their localising ability means that knotsare unable to distinguish between stones and shellfish in the sand. It istherefore no wond...Researchers find missing spring in circadian clock of mammals
...cannot block Clock and Bmal. How thendoes the high tide of per recede? Clearly there must be another partner thatreplaces timeless. In a report in this week's issue of Cell, Dr. Steve Reppertand his colleagues at the MGH identify this key component of the mammalianclock. Specifically, they show that a di......ew microbes withamazing properties, and the rising tide of antibiotic-resistant bacteria....Underwater R2D2 in development
...re, salinityand light. The bioluminscence of a red tide could be observed. The UC, Santa Barbara vehicle will be a low-cost version of themulti-million dollar AUVs designed and built at other institutions. "They are making the Ferraris and the Rolls," said Manov. "We are makingthe Volks...Pioneering evolutionist Ledyard Stebbins dies at age 94
...er, who took the childrenprowling through Atlantic tide pools. At Harvard University in 1925, Stebbins was introduced toDarwin's theory of evolution. As a junior the following year, he decided to become a botanist. Darwin's theory was undergoing rigorous testing at the time, and in the 1930s and '40s, sci...Sewage in urban runoff may spur growth of harmful algal blooms
...n 1995 and was the largest and most widespread red tide found off California's coast since 1902. Though marine scientists usually monitor marine ecosystems for high concentrations of common inorganic nutrients known to spur harmful algal blooms, urea is generally ignored, the researchers said. Pre...Global warming: lessons taught by snails and crabs
...orcelain crabs experience during extremely hot low tide periods,`` Somero explains. The results, recently published in Physiological and Biochemical Zoology, showed that porcelain crab species living at the surface appear more vulnerable to global warming than those that are always submerged in subtidal ...Scientists study life of economically important blue crab
...at the female crabs swim out into the bay with ebb tide currents, then avoid the incoming flood tide by sitting on the bottom. But research the Wolcotts conducted with the Smithsonian Environmental Res...Using hard science to protect fragile seas
...retch of beach known worldwide for its magnificent tide pools. The state prohibits the taking of marine l...e impact that tourists and residents are having on tide pool communities. ``I have two goals with this study,`` she notes. ``One is to determine the effect ...Dust from Africa leads to large toxic algae blooms in Gulf of Mexico, study finds
...deaths in the hundreds resulting from a single red tide bloom. By using satellites to monitor dust arriva...ing of red tides. "If you could predict when a red tide is coming, you could close beaches and fisheries ahead of time," Lenes said....Lowering rates of beach erosion: estuaries may be key
The tide rolls in and the tide rolls out. Many geologists believe that the interaction between the tides and water moving down rive...Study shows deoxygenating ballast water can prevent invasive species and ship corrosion
...e we urgently need practical solutions to stem the tide of aquatic invasions. Previous research has shown that ballast water from the global shipping industry inadvertently transports enormous numbers of aquatic organisms from one port to another. These non-native species introductions have caused changes...Media Advisory 2 - 2002 Ocean Sciences Meeting: press conferences scheduled
...ts utility in gaining a new understanding of a red tide phytoplankton bloom. Participants: Jules Jaffe, ...xchanged with colder waters far below. The surface tide slams twice daily into the Hawaiian Ridge at nearly a right angle. Roughly 20 gigaWatts (20 billion ...Sea Grant news: Shipworms, ozone, hurricanes
...ed around the piling from the mud line to the high tide level. Lopez-Anido hopes his waterfront repair technology will be ready for deployment and possible commercialization in June, 2002. CONTACT: Roberto Lopez-Anido, Sea Grant Researcher, Professor of Civil Engineering, University of Maine, (O) (207) ...Bacterial control of zebra mussels, low power radio
...rt. At Seal Rock, people are taught about fragile tide pool ecosystems and how to keep from damaging them, while at Boiler Bay State Park, visitors can tune in and get tips on how to spot migrating whales, information about the park's natural history and weather updates. Low power radio requires only f...Vessel reporting a weak link in national strategy to stem the flow of alien organisms to the U.S.
... effective by the U.S. Coast Guard in stemming the tide of non-native species invasions. "It is notable that in California, where state law authorizes monetary and criminal penalties for non-compliance with federal ballast water reporting requirements, rates of reporting were much higher," said estuarine ...