Changing Continental Runoff Patterns Could Change Ocean Circulation
Denver, Colo. -- Human alteration of major waterways may cause more problems than drought downstream, according to a Penn State geologist who is studying circulation models of the ancient oceans. "We have already seen some of the consequences of changing surface waterways," says Karen L. Bice, g..."A Little Bit Here" And "A Little Bit There" Can Add Up To A Big Problem
...and restoration, including vegetation buffersalong waterways and wetlands restoration, can greatly decrease the flow ofpollution into waterways. Additionally, the report recommends reducingfertilizer applications to better match crop needs, thereby reducing the amountof excess nutrients that may contaminate a...USGS Scientists Find New Invasive Fish Species In Florida
...wetland systems, but the interconnectedness of the waterways and the eel's biology pose substantial risks of th...help these fish successfully colonize southeastern waterways is that swamp eels are air breathers, enabling them to survive long dry spells. In fact, said Nico,...Gritty Research Leads Scientists To Metal-Loving Discovery
...sly effective options for cleaning up contaminated waterways andrecovering precious metals. SAMMS - Self-Assembled Monolayers on Mesoporous Supports ,has been developedby researchers at the Department of Energy's Pacific Northwest National Laboratory. SAMMSintegrates mesoporous ceramics technology first cre...Commercial Fish: Eat Up, Despite Low Levels Of Mercury
...es and rivers, sincethere are hundreds of polluted waterways whose fish are dangerousto eat in abundance, often because of other pollutants such asPCBs. The Seychelles study began in 1989, when Rochesterresearchers, with decades of expertise studying mercury exposure,chose the nation of about 65,000 peopl...USGS assesses nation's biological resources at century end
... fragmentation of forests. Changes in the nation's waterways to accommodate navigation, irrigation,hydroelectric power generation and municipal use have drastically alteredthe biological integrity of aquatic environments. Aquatic organisms nowdominate lists of imperiled species. Changes in both land and wate...Scientists discover beetle that cures water fern menace
...ermenaces: the water fern, which has been clogging waterways andsuffocating lakes. They have isolated a tiny beetle stenopelmus rufinasus that will eatthe weed known as Azolla filiculoides and clear dams and lakes withouthurting any other plants or animal life. Mr Andrew McConnachie, a postgraduate Zoology st......eed to devote more attention to the quality of our waterways and the life that depends on them," Babbitt said. The good news is that concentrations of individual pesticides in samplesfrom wells and as annual averages in streams were almost always lower than current U.S. Environmental Protection Agency d...USGS director and science camp kids to pull invaders from USGS backyard
...s escaped from gardens, clogging many U.S. waterways and wetlands--changing the landscape and prohibiting the growth of native plants. This popular ornamental, still sold in Virginia nurseries and found in all 48 lower states except Florida, can produce more than 2.5 million see...Pacific Northwest developments earn spots in top 100 list
... spread of ammonia - and subsequently nitrates- to waterways and drinking water. Nitrates are harmful to human health and awidespread environmental problem. Incorporating a newly designed adsorptionresin and regeneration solution, the CAR process extracts ammonia out of sewagetreatment liquid and livestock w...USGS releases assessment of nation's biological resources
...id, the report details how changes in the nation's waterways toaccommodate navigation, irrigation, hydroelectric power generation and municipaluse have drastically altered the biological integrity of aquatic environments.The result, he said, is that aquatic organisms dominate lists of imperiledspecies. Particu...USGS scientists tracking environmental damage from Floyd
...It took as long as four or five weeks before those waterways beganrecovery. This drop often occurs with the na...a and othercontaminants which may have washed into waterways during Floyd's rains. The USGS has collected samples for pesticides at several sites including ...Stream research supports better watershed management
...An ongoing debate has focused on how thesemodified waterways should be maintained, or whether they should be restored. "Stream restoration means a return to predisturbance conditions, but given the value of the landfor agriculture and the ongoing need to provide adequate drainage, the possibility of completer...Illinois waterways, waterfowl detailed in new book
CHAMPAIGN, Ill. Illinois wetlands, waterways and waterfowl have come together in a 672-page book and companion field guide that blend history, biological research, conservation management and a wealth of color photographs and facts.The book, "Waterfowl of Illinois: Status and Management," docu...USGS scientists find new population of Asian swamp eels in south Florida
...ding birds for food. The interconnectedness of the waterways and the eel's biology pose substantial risks of th...d help these fish successful colonize southeastern waterways is that swamp eels are air breathers, enabling them to survive long dry spells. In fact, said Curnut...Improvement in controlling agricultural runoff still needed to prevent ecological disasters
...he rows. The plasticulture runoff entering nearby waterways is the copper-based bactericide and fungicide used on the plants to prevent disease. Dietrich and her colleagues and students in agriculture, biology, and engineering have been studying copper runoff and its impacts and in waters off Eastern Virgini...Warming trend seen in late freeze, early thaw of northern waterways, say Science researchers
...f later freeze and earlier breakup of ice on these waterways over the 150-year span (1846-1995) covered by these historical records. During this interval, the date of first freeze was postponed by an average of 9.8 days, while thaw occurred an average of 8.7 days earlier. These changes correspond to a 1.8...Pollution from urban sprawl threatens aquatic life in major U.S. cities
... may pose a bigger threat to aquatic life in urban waterways than other more well-known contaminants, such as l...adways. The compounds are typically carried to the waterways by stormwater. The research cited above was part of the U.S. Geological Survey's National Water Qual...Major unique new study shows infrequent inspections lead to greater stream pollution
...ritters living near and on the bottoms of 17 state waterways -- upstream, downstream and adjacent to construction sites in the N.C. Piedmont. They focused on Orange County, Wake County and the 16-county central Piedmont area known as District Four of the N.C. Division of Land Quality. District Four covers 8,00......xico. The approach to minimizing nitrogen in these waterways has been mainly terrestrial, since the processes responsible for nitrogen uptake and release in streams has been a black box, says Webster, professor of biology at Virginia Tech. But an NSF-sponsored workshop in 1995 identified models and a tracer th...