Species unique to tidal marshes face threats
... harsh environment in which seed abundance is low, salinity is high, and flooding is frequent. Yet they face a.... Some tidal marsh species are protected from high salinity by relatively impermeable skin, and others have kidneys that can concentrate salts from large volume...Stevens' Davidson Laboratory acquires new research vessel
...de the physical characteristics (such as currents, salinity and temperature) and the water quality characteristics (such as dissolved oxygen) throughout the harbor. "The vessel can also benefit those students interested in naval architecture. The full scale vessel can provide data that will be used to veri...Creating a window on 'oceans in motion'
... travels along, and can record water temperatures, salinity and even light conditions encountered at various depths and locations. Depending on the variety of tag used, the data is revealed when an animal is recaptured, surfaces (sending the archived data to a satellite) or passes one of many acoustic receiv...Hebrew University researchers uncover eight previously unknown species
... waters of the aquifer. The lake's temperature and salinity indicates that its source is deep underground. Among the interesting features of the discoveries thus far in the cave is that two of the crustaceans are seawater species and two others are of a types found in fresh or brackish water. This can provid...Damaged Iraq marshes show renewed signs of life
...sses of water to the atmosphere and increased soil salinity problems," he said. "Modern drip irrigation approaches used in other parts of the Middle East, which slowly feed water onto crops at a measured rate, need to be employed to preserve Iraq's dwindling water supply." Other questions concern whether the ...Iraq's marshes show progress toward recovery
...d because of record snowpack melts, which has kept salinity levels low. The incoming water quality has been better than predicted, too, with toxin levels lower than had been feared. As a result, many native species have returned, including some rare bird species, although their numbers have not rebounded to h...Plant protection from cold decoded
...spond to environmental stresses such as cold, soil salinity and drought. "From a genetic and molecular standpoint, these responses are all related," Zhu said. "Some of the same genes are involved in all of these responses and understanding how they work can help us develop crops that can better withstand thes...Diverse sea 'bugs' revealed on landmark Atlantic cruise to census zooplankton
...onding information about the water temperature and salinity at each depth. The molecular analysis on board uses an automated DNA sequencer to determine a DNA 'barcode' (i.e., a short DNA sequence used for species recognition and discovery). DNA barcodes are revealing unanticipated species diversity, in man...Seagrass is in decline worldwide, says UNH researcher
...Quebec plant. The fresh water influx decreased the salinity so much that the seagrass could no longer survive. Short and his SeagrassNet colleagues have not ruled out global climate change as a factor in the decline of seagrass beds. Yet so far, he's found the impacts on seagrass to be far more localized. "Hu...High-tech tags on marine animals yield valuable data for biologists and oceanographers
... duration of dives, as well as the temperature and salinity of the seawater and how that changes with depth. A...a's group has been providing water temperature and salinity data gathered by California sea lions to physical oceanographer Yi Chao at the Jet Propulsion Labora...Phytoplankton bounce back from abrupt climate change
...ature and changes in thermal structure, changes in salinity and alkalinity, and changes in nutrient patterns and trace elements. "In every case, changes in surface habitats resulted in transient plankton communities," Bralower told attendees at the 2006 annual meeting of the American Association for the Advan...2006 Ocean Sciences Meeting: Press Conference Schedule
...ed on seals have provided accurate temperature and salinity data and identified the oceanographic characteristics important to their success. Marine tagging data are also being used to compare with a computer model simulation currently in development. The research goal is to develop a predictive model of the ...Finding life on Mars and outer space begins by examining Earth's inner space
...concentrating the salts so that now the lake has a salinity more than three times that of the Pacific Ocean. In addition, the lake is highly alkaline, having a pH of between 10 and 11, comparable to a strong detergent. Such intense evaporation leads to the deposition of salt deposits called evaporites. Sci...Research tracks whales by listening to sounds
...cean conditions. "We'll look at water temperature, salinity and even chlorophyll growth," Mellinger said. "Ultimately, what we hope is to be able to identify a certain water mass and know that it will lead to chlorophyll growth and an abundance of plankton, and that the whales will soon appear."...Storing carbon to combat global warming may cause other environmental problems, study suggests
...de water and nutrient depletion and increased soil salinity and acidity, said the researchers. "We believe tha...nother way that forest growing might increase soil salinity in Argentina's normally treeless pampas. There fresh water pockets just under the surface supply re...Scientists solve mystery of the 'unicorn' whale
...ble of detecting changes in temperature, pressure, salinity and other factors that may help a narwhal survive its Arctic environment. Working at NIST, Naomi Eidelman, Anthony Giuseppetti and Frederick Eichmiller of the ADAF examined samples of narwhal tusk with both infrared microspectroscopy and scanning el...Surprising killer of southeastern salt marshes: Common sea snails
...eight months. In the experimental plots, increased salinity reduced grass growth by 45 percent while high salt levels, in combination with the presence of snails, reduced grass growth by 84 percent. How do periwinkles contribute to marsh destruction? Silliman has shown that they kill the grass by slicing the ...Research: Snails were overlooked contributors to marsh destruction
...their acidity and boosted estuarine water and soil salinity levels -- all of which were blamed for stressing cordgrass and other marsh grasses beyond their limits. Silliman and four other authors of the Science paper don't dispute the drought's impacton what scientists call "bottom-up" factors such as increas...Marine biology mystery solved: Function of 'unicorn' whale's 8-foot tooth discovered
...dients inwater, they are capable of discerning the salinity of the water, which couldhelp them survive in their Arctic ice environment. It also allows the whalesto detect water particles characteristic of the fish that constitute theirdiet. There is no comparison in nature and certainly none more unique intoo......irect measurements to quantify changes in baseline salinity and predict what would happen if trends of urbaniz...d significant that the long-term record shows that salinity concentrations are going up, even in places where the amount of salt applied has not increased. Con...