Tag: "river" at biology news
US investment firm gives away Rhode Island-sized lands in Chile
... beech tree, as well as peat bogs, alpine meadows, river
systems, and spectacular snow-capped mountains. The landscape supports a wide range of wildlife, including Magellanic woodpeckers (a cousin of the fabled ivory-billed woodpecker of the southern US), firecrown hummingbirds, and the culpeo fox. The g...
Virginia Tech researchers to release findings on Smith River Project
... Smith River below the Philpott Dam." The dam and river
are located in the mountains northwest of Martinsv...hich is near the Virginia-North Carolina line. The river
is home to a wild population of brown trout. The U.S. Army Corps of Engineers has been invited to ...
NASA satellites detect 'glow' of plankton in black waters
...at occur within plumes of dark-colored runoff from river
and wetlands, sometimes causing "black water" events. Dark-colored river
runoff includes nitrogen and phosphorus, which are used as fertilizers in agriculture. These nutrien...
Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers
... and times. ENVR 12. Microbial communities in two river
sediments demonstrate distinct anaerobic PCB dechl...l need to be examined in each contaminated lake or river
to understand the fate of PCBs at different sites, said the investigators. (See full release on Eure...
PCB breakdown in rivers depends on sediment-specific bacteria, find Carnegie Mellon U. scientists
... breakdown by identifying the kinds of microbes in river
sediments as well as their population size and how...s need to be examined in each contaminated lake or river
to understand the fate of PCBs at different sites." Co-investigators on the team include Edwin Min...
Anti-bacterial additive found in Maryland streams
... samples, the researchers detected triclocarban in river
water at concentrations of up to 5.6 micrograms per liter (parts-per-billion) and in wastewater at 6.75 ppb. The highest detected concentrations in surface waters of the Greater Baltimore area were 20 fold higher than previously reported levels, whic...
Muscling their way into the food chain: Zebra mussels alter fish populations in the Hudson River
...ish impacted so differently? The answer is how the river
responds to the zebra mussel's prodigious appetite...son River that they filter all of the water in the river
every 1-4 days, removing the microscopic plants and animals that make up their diet. This can be pro...
Avalanche of change
... Northwest Research Station). Among his findings: river
fishes, that originally suffered high mortality have rebounded remarkably in many cases and several amphibians species have colonized new ponds that the blast created. For more information about this session and other ESA Annual Meeting activities vi...
Colorado River Conference Aug. 26
Issues affecting the Colorado River, the major river
of the American Southwest, will be discussed Thurs. Aug. 26 at the University of Utah's Heritage Center. Titled "Water Management in the Colorado River Basin," the conference is sponsored by the Southwest Center for Environmental Research (SCERP), ...
Geologists discover water cuts through rock at surprising speed
...ople climb and hike today. Knowing the age of each river
terrace and its height above its current river
bed, they were able to calculate how quickly the rivers cut through bedrock. Their conclusions: Inc...
Water study yields a few surprises for New England
... polychlorinated biphenyls (PCBs) were apparent in river
sediments in highly urbanized areas, such as Boston, Mass. and Providence RI. All of these contaminants were detected at concentrations exceeding guidelines for the protection of aquatic life. Levels of organic compounds, such as the gasoline additi...
Myths surrounding Cuyahoga River fire 35 years ago
CLEVELAND--Once upon a time, June 22, 1969, a river
started on fire. So begins the historical event t...tal Law Center at the Case Law School, because the river
portrayed as so polluted it would burn was, in fact, well on the way to improving its water quality....
Changes to insect-seeking calls of horseshoe bats may drive new species formation
...atter whether there is a mountain high enough or a river
wide enough to keep members of a species apart. New species may diverge and form because of something as fundamental as a call to dine. According to new research by Tigga Kingston, a research associate in the Department of Geography at Boston Univ...
Hidden cost of Colorado River diversions is $2.4 billion annually
...sa's calculation reflects the loss of benefits the river
originally provided, including natural flood contr... have irrigated that land could then remain in the river
and flow to the delta. The major water diversions on the Colorado began with Hoover Dam in the 1930s...
Earstones tell fishes' tale of early life in the Colorado River estuary
...ucing the brackish-water estuary, the region where river
water and ocean water mix. "It's the first time th...fish's spawning site. Estuaries, zones where fresh river
water and salty ocean water mix to form brackish water, are known to be nursery areas for many speci...
Can we restore wetlands and leave the mosquitoes out?
...one bite away. In the 1800s, when Tucson's now-dry river
beds had water more regularly, malaria was present in the Tucson basin. Although malaria is not present in the Tucson area now, Arizona's West Nile virus season has already begun. "Several obstacles block people from frankly discussing mosquito probl...
Pearly mussels: One of North America's natural jewels is disappearing
...r absence might mean for the functioning of modern river
ecosystems. The loss of pearly mussels is especially troubling because, as long-lived aquatic organisms, they have the potential to reveal a world of information about the freshwater habitats they reside in. If we are to ensure mussels persist in th...
Lewis and Clark data show a different Missouri River
...s of Lewis and Clark - show that water flow on the river
today is far more variable than it was 200 years ago. The data also show that the river
is some 220 yards narrower at St. Charles, Mo., today at 500 yards across than in 1804 when it sprea...
Studies show success of Mectizan partnerships
...lly altered the consequences of onchocerciasis, or river
blindness, which once blinded millions in Africa, ...program for preventing the debilitating effects of river
blindness. The researchers also believe that the public-private partnership forged by Merck through ...
Into the dead zone: Galveston researcher examines loss of marine life
...e to sediment dies. The Mississippi is the largest river
in the U.S., draining 40 percent of the land area of the country. It also accounts for almost 90 percent of the freshwater runoff into the Gulf of Mexico. Where the Mississippi empties into the Gulf Coast is the start of the dead zone Quigg is studyi...
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