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Tag: "wetland" at biology news

South America's vast pantanal wetland may become next everglades, UNU experts warn

...raguay--the three countries in whose territory the wetland lies-- stakeholders at the workshop convened by UNU-PREP and UNU IAS in Brazil in October 2003 expressed their willingness to draft a treaty for the sustainable management of the Pantanal wetland. "The challenge now is to translate this will into ac...

Road salt affects mitigation wetlands

Sacrificing one wetland for the sake of five others may be the way to go w...e amounts of salt that enter the designated runoff wetland and one other that is slightly affected by splashover from salt spreading and snow melting. The data...

Man-made wetland's effectiveness similar to natural marsh

Researchers who studied a man-made wetland in Ohio for two years concluded that the created wetland filtered and cleaned water as well as or better than would a natural marsh. The wetland, which was ...

New Scripps Oceanography project to study sediments and ecosystem restoration in Venice lagoon

...nt to safeguard Venice and its lagoon, the coastal wetland that surrounds the city and links directly with the Adriatic Sea through inlets. A team of scientists with SIOSED (Scripps Institution of Oceanography SEDiment research group) will dissect and analyze key elements of Venice Lagoon's sediment through...

Elusive salamanders have role in developing new sampling models

...Carolina and Georgia. The adults lay their eggs in wetland depressions in the late fall. With winter rains, the ponds rise and the eggs hatch in December, January and February. Larval development lasts through May. The larvae then undergo metamorphosis and leave the ponds as terrestrial juveniles. Juvenile a...

Fresh water affected by salt from deicing roads

...h to induce mortality in aquatic animals and alter wetland plant composition. During the winter months chloride in urbanized areas can increase in waterways to as high as 5 g/l which is equivalent to 25% of seawater concentrations. Dr. Kaushal of the University of Maryland Center for Environmental ...

Cattle grazing may help rather than hurt endangered species

...tle grazing plays an important role in maintaining wetland habitat necessary for some endangered species. Re...ith climate to determine the depth and duration of wetland flooding. Cattle have been grazing in the land for roughly 150 years and have become a naturalized ...

Iraq's marshes show progress toward recovery

... good water quality, and rapid restoration of most wetland functions seem to indicate that the recovery of ecosystem function is well under way. Richardson and Hussain are not complacent about the marshes' future, however. The researchers point out that water inflow is unlikely to be sufficient to maintain ...

How healthy is that marsh? Biologists count parasites

...of developing a new tool for monitoring changes in wetland ecology, NOAA's California Sea Grant recently awarded support to parasite mavens Armand Kuris of the Department of Ecology, Evolution and Marine Biology at the University of California, Santa Barbara, and Kevin Lafferty of the Biological Resources Di...

Even a little cooling helps after cardiac arrest

...of developing a new tool for monitoring changes in wetland ecology, NOAA's California Sea Grant recently awarded support to parasite mavens Armand Kuris of the Department of Ecology, Evolution and Marine Biology at the University of California, Santa Barbara, and Kevin Lafferty of the Biological Resources Di...

Invasive species alter habitat to their benefit

... of dead cattail stems than areas with only native wetland plants. The plants growing in these invaded areas also were different, with fewer classic wetland species, such as bulrushes, rushes, and sedges, and more typical land plants like grasses, asters, a...

African wetland managers armed with new technology

...ocal conservation efforts. Because the success of wetland conservation ultimately comes down to individual wetland managers, the GlobWetland products and services are user-oriented and based on specific requests of ...

Researchers find that bumblebees' flower choice matters

...rs on the reproductive biology of monkey flower, a wetland plant native to Wisconsin. Karron's lab uses sever...estigate her hunch further, Flanagan added a third wetland species to the garden ?a native plant known as "great blue lobelia." So far, the bees continue their...

Cougar predation key to ecosystem health

...aid. "It's the decline or disappearance of shrubs, wetland plants, amphibians, lizards, wildflowers, and even butterflies." Until recently, ecologists had a poor understanding of how the loss of an important predator, such as wolves or cougar, could affect such a broad range of other plant and ...

Massive herds of animals found to still exist in Southern Sudan

...rations mainly in the Sudd, the largest freshwater wetland in Africa. They also found evidence of even larger numbers of elephants in Boma and in the Jonglei landscape. According to the World Conservation Union’s African elephant database, there were no reliable records of elephants in Sudan. “Although we...

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