Tag: "watersheds" at biology news
Invaders that did no harm?
... Atlantic slope into the Pacific Ocean--connecting watersheds
across the continental divide. Since then, fish from the Atlantic and Pacific sides of Panama have intermingled, but the mix has not resulted in extinction of fish in tributaries on either slope according to new research published in the Proceedings...
New England forests at greater risk from air pollution
...roduction, they are also important for maintaining watersheds
and protecting biodiversity," says Will-Wolf. "This ability may be impaired under certain conditions." Recognizing the potential of these plants to signal changes in the environment, the Wisconsin botanist and her colleagues developed regional models...
Water study yields a few surprises for New England
...treams begin to degrade earlier than we thought as watersheds
develop. Because of this finding, stream protectio...y results indicated that: Streams draining rural watersheds
with as little as 3-5 percent urban lands showed signs of degradation such as the reduction in popul...
Articles on life in tropical island streams published in BioScience
...al and biological characteristics. Tropical island watersheds
are often influenced by major fluctuations in prec...portance of conserving the biological resources of watersheds
as well as the "ecosystem services" such watersheds
provide, including a clean water supply, fishery...
Media advisory - wildland fire impacts on watersheds
...nclude: Overview of risks to forest and rangeland watersheds
and impacts on water quality. James E. Hubbard, State Forester, Colorado State Forest Service Dwight Atkinson, Environmental Protection Agency How burn severity and its aftermath is eased by thinning and other pre-fire management techniques. Kevin Ry...
Wildland fire impact on watersheds: A special conference of the Geological Society of America
...reat is particularly ominous. Forest and rangeland watersheds
serve as primary sources of drinking water for much of the population of the U.S. Yet many municipalities are unaware of what is likely to follow a fire and unprepared to deal with the consequences. On October 21-23, 2003, scientists will gather wit...
ORNL wins four R&D 100 awards, pushing total to 116
...ons from on-line screening for toxins in municipal watersheds
to detecting hazardous substances at airport checkpoints. MicroTrapMS will enhance real-time capabilities of field engineers to sweep many local areas for pesticides, drugs, explosives and more. MicroTrapMS has the power of a conventional mass spectr...
Tufts environmental engineers tackle destructive nutrients in nations waterways
... will benefit waterways throughout the world." The watersheds
of the Aberjona and Mystic Rivers are ideal for this research because they encompass urban, residential and undisturbed lands with streams and lakes. Many of these areas have been heavily affected by decades of development and contamination. A half...
USGS to map richness of aquatic life in the Great Lakes
...nd nowhere else on Earth. The Great Lakes andtheir watersheds
provide habitat for approximately 300 species of fish plus diverse numbers andtypes of freshwater mussels, crayfish, and aquatic insects. The rivers, streams, wetlands, andcoastal areas of the Great Lakes system are key, because fish and other animal...
Planning could preserve urban forests for future enjoyment
...5 were burned in both Turtle Pond and Mishow Marsh watersheds
and none were burned in A.B. Williams Woods. Loeb found that sassafras increased density in burned areas and that white ash, smooth sumac, sweet gum, red maples, flowering dogwood, tulip and black locust did not occur in areas that had burned. Sass...
Muddy waters: letting the Gulf of Mexico breathe again
...e lower 48 states. Runoff from watersheds
in the basin eventually makes its way to the Gulf. That runoff is full of nitrogen and other chemicals that algae thrive on, experts say. Resulting algal blooms deplete the water of ...
Penn State to lead Atlantic Slope Consortium with a $6 million grant from U.S. EPA
...ad a consortium in an integrated assessment of the watersheds
and estuaries across the Atlantic Slope, an area t...approach, the Consortium members will assess small watersheds
and estuarine segments throughout the Delaware, Susquehanna-Chesapeake, and Ablemarle-Pamlico basins...
Drinking Water from Forests and Grasslands: A Synthesis of the Scientific Literature
... towns and cities depend on National Forest System watersheds
for their public water supplies. About 60 million ...how uses of national forests and grasslands impact watersheds
and water quality. Measured effects include recreation and built environment; vegetation management;...
Small streams contribute far more than previously thought to cleaning waterways
...ve 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 based on data collected initially from streams in NSF's Arctic Tundra Long-Term Ecological Research (L...
One change in farming makes for cleaner waterways
... emissions in 1985 to those 10 years later for two watersheds
that drain into the lake. He... counties located in the Maumee and Sandusky river watersheds
in northwestern Ohio. The area is a good representative of ...
Finding a market for 'ecosystem services'
...$1.5 billion to preserve the Catskill and Delaware watersheds
rather than spend $6 billion to construct a new water treatment system. New York City was able to convince its taxpaying customers that the investment was worthwhile, Thompson noted, by demonstrating the cost-effectiveness of acquiring and protecting...
Mountains of variables: The effect of landscape features on atmospheric deposition
...egion is of particular interest because the area's watersheds
provide 90% of New York City's water supply. Soil samples were taken from Hunter Mountain, which is the second highest peak in the Catskills. Sites of different elevations on the northern, southern, eastern and western aspects of the mountain were...
Experts meet to evaluate watershed restoration for salmon in Pacific rivers
...ar in discussions ranging from selecting candidate watersheds
for restoration to selecting measurements for evaluating restoration success. Reporters are invited to attend and cover any part of this workshop. MEETING AGENDA: Wednesday, 19 April 8:15 a.m. Introduction and Welcome by Ronald Remple, Deputy ...
Stream research supports better watershed management
... which seeks todefine a viable management goal for watersheds
in landscapes characterized by intensive humanmodification." The goal of naturalization is to establish "sustainable and stable fluvial systems capable ofsupporting healthy, biologically diverse aquatic ecosystems," said Edwin Herricks, a U. of I.pr...
UVic creates research chair on drinking water ecology
...row, we need to have a better understanding of how watersheds
and reservoirs work so that informed management de...lts to strengthen guidelines for the protection of watersheds
that supply drinking water. Mazumder's first task is to set up a world-class research facility and ...