Small streams contribute far more than previously thought to cleaning waterways
...e Foundation (NSF) Arctic area ecological study to waterways across the nation. The finding could have important implications for land-use policies in watersheds from the Chesapeake Bay on the East Coast to Puget Sound in the West. The findings, to be published in the April 6 edition of Science, are b...Collapse of simple life forms linked to mass extinction 200 million years ago
..., occurs in the spring when fertilizer washes into waterways and triggers large algae blooms. The processes at work in that scenario were reversed 200 million years ago, he said. There is no definitive evidence yet on what caused the demise of so many species, Ward said. However, the suddenness of the event is...South American forests offer glimpse of U.S. ecosystems before industrial revolution
...in maintaining everything from the health of local waterways to the global climate. Standard thinking among eco...ogen compounds are exchanged between plants, soil, waterways and the atmosphere -- in South America is more uniform than it is in the United States. "We found th...Protecting waterbirds from watercraft
...rds because they can navigate theshallow, secluded waterways where birds like to eat and rest. To help protect waterbirds from PWCs and motorboats, Rodgers andSchwikert determined flush distances for 23 species at 11 sites alongthe east and west coasts of Florida. Despite the PWC's reputation for noise and wil...US ecology dramatically altered by fertilizers and acid rain
...in maintaining everything from the health of local waterways to the global climate. The study finds high level...ogen compounds are exchanged between plants, soil, waterways and the atmosphere -- in South America is more uniform than it is in the United States. "We found th...Unwanted HRT playing havoc with songbirds
... Last week the US Geological Survey reported that waterways in the US are contaminated with such compounds (Environmental Science and Technology, vol 36, p 1202). Environmental oestrogens are believed to be responsible for male alligators in Florida being born with shrunken penises. Male fish have also produc...MIT team probes arsenic and old lakes
...chemical and other industries were dumped into the waterways of the Aberjona, the real-world setting of the movie "A Civil Action." Today the dumping has stopped, but the pollutants--including considerable amounts of solvents, chromium and arsenic--remain. For the last 14 years MIT researchers have been explor...After massive experiment, results favor wildlife corridors
...flood-prone areas tend to be left undeveloped. But waterways represent one type of habitat that may benefit wildlife and plants more than the corridors themselves, he said. If that's the case, it would be better to preserve such habitats wherever they are rather than only those that connect fragments, he said....Walleye fishery threatened; Puerto Rico aquaculture, calling ALVIN on ocean bottom
...arp. The mix-up is caused when chemicals get into waterways and then interferes with the fishes' development a...Swackhamer and her team are studying two Minnesota waterways (Duluth-Superior Harbor and the Mississippi River near St. Paul) to learn more about the source of t...Survey of Chesapeake Bay watershed residents may save the bay
...ear: residents are concerned with pollution in the waterways and believe restoration and protection of the water resources are important ventures. "However, the concern is not matched with an individual level of stewardship activity," McClafferty said. "In order to reach the restoration goals of the Chesapeak...Science picks-leads, feeds and story seeds (January 2003)
...asive, non-native weed-is threatening to choke off waterways in southeastern North Carolina. This Brazilian aqu...pollutant before it infests unspoiled wetlands and waterways throughout the Lower Cape Fear Region. In Louisiana, a green tide of giant salvinia blankets nearly...Tufts environmental engineers tackle destructive nutrients in nations waterways
... the destructive effects of excessive nutrients in waterways an environmental problem that threatens aquatic ...shen--"The technology we've developed will benefit waterways throughout the world." The watersheds of the Aberjona and Mystic Rivers are ideal for this research ...No detectable risk from mercury in seafood, study shows
...s and rivers, since there are hundreds of polluted waterways whose fish are dangerous to eat in abundance, often because of pollutants like PCBs. The Seychelles study came about as a result of previous work by the same Rochester team, which put together the first precise data showing that pre-natal exposure t...Changing global nitrogen cycle impacting human health, says Colorado University-led study
...fertilizer also would lessen crop pollution to our waterways and air, he said. In addition, the use of fertilizer in modern industrial nations is not optimized for the production of the healthiest food, Townsend said. Crops like corn largely become food for domestic animals, leading to further nitrogen losses...New study begins to unravel fate of toxic pollutants harbored in Arctic waters
...n analysis of pesticides that accumulate in Arctic waterways is giving scientists insight into the fate of such...agues collected surface water samples from several waterways in the Alaskan Arctic. The organic matter detected in each waterway was primarily from plant materia...Citizens, scientists and policymakers debate ways to restore ocean health at AAAS Town Hall Meeting
... Sound through education and regulation, since the waterways can only absorb so much pollution and over-fishing...nd infrastructure to solve the problems facing the waterways without excessively restricting individuals and businesses; 3. Accept some environmental stress so t...'Springer' - A solution to water pollution?
...atural balance of organisms. They are deposited in waterways via sewage discharges and run-off from agricultural land. Conventional methods of tracking these pollutants to their source, e.g. boat sampling and airborne sensing, are expensive and limited in effectiveness because they can't be used easily in shal...Oil exploitation in Ecuador's Amazon basin produces a 'public health emergency'
...es and crude oil were discharged into the land and waterways of the Ecuadorian Amazon. This far exceeds the 10.8 million gallons (40.9 million liters) spilled in the "Exxon Valdez" tanker disaster in 1989 in Alaska, one of the largest sea oil spills that has ever occurred. Analyses carried out in Ecuador in ......ate 1950's interfered with navigation in Florida's waterways and displaced many native species. It took millions of dollars to clean up the waterways, yet the plant continues to spread across the globe, establishing itself on every continent but Antarctica. While recognizing the importance of aquaria and or...