Study: Tropical wetlands hold more carbon than temperate marshes
COLUMBUS, Ohio In one of the first comparisons of its kind, researchers have demonstrated that wetlands in tropical areas are able to absorb and hold onto about 80 percent more carbon than can wetlands in temperate zones.
The scientists extracted soil cores from wetlands in Costa Rica and in O...
Species unique to tidal marshes face threats
cover only about 45,000 square kilometers worldwide--about the area of Denmark. In comparison with other habitats, tidal marshes
support few nonaquatic vertebrate species, but their unique characteristics have led to the evolution of species and subspecies that are endemic (found nowh...
Iraq's marshes show progress toward recovery
Reflooding of Iraq's destroyed Mesopotamian marshes
since 2003 has resulted in a "remarkable rate of reestablishment" of native invertebrates, plants, fish, and birds, according to an article in the June issue of BioScience.
Curtis J. Richardson of Duke University and Najah A. Hussain of the Uni...
Salt marshes: A natural and unnatural history
...onmental service and protection they provide, salt marshes
were once considered unproductive wastelands, home...light on the human impact of the marsh lands. SALT marshes
includes chapters on physical and biological alter...ddition to a national and global perspective, SALT marshes
places special emphasis on coastal wetlands in the...
Climate change may spell demise of key salt marsh constituent
...ROVIDENCE, R.I. [Brown University] Global warming may exact a toll on salt marshes
in New England, but new research shows that one key constituent of marshes
may be especially endangered.
Pannes are waterlogged, low-oxygen zones o...
Scientists find climate change to have paradoxical effects in coastal wetlands
...n the face of actual sea-level rise and other climatic changes."
appear to benefit from CO 2 in the short-term, the scientists stress that ...ly, rapidly rising seas could outstrip the positive effects of CO 2 on the marshes
that they have observed.
"Wetlands are some of the most specialized and...
Dune and dirty: Hurricane teaches lessons through ecosystem research
...griLife Research. "The plants on sand dunes and in marshes
build an island's elevation, so we shouldn't compromise that."
Most of the dunes and marshes
he and his graduate students had studied were dest..., when comparing before and after Ike, is that the marshes
lost elevation, which is contrary to what most wou...
Commercial aquatic plants offer cost-effective method for treating wastewater
...er to comply with increasingly stringent environmental regulations. CWs, or marshes
built to treat contaminated water, incorporate soil and drainage materials,...oorganisms. "Surface-flow" constructed wetlands resemble shallow freshwater marshes
and generally require a large land area for wastewater treatment. More effe...
Flooding might help lower gas emission from wetlands
... storms that send water surging through swamps and marshes
near rivers and coastal areas might cut in half th...eate conditions in the wetlands resembling natural marshes
flooded with river water. In 2005, researchers pum...on to absorb the surge.
"If we didn't have salt marshes
and mangroves in subtropical and tropical coastal ...
'Nonlinear' ecosystem response points to environmental solutions
... In like fashion, they said, such approaches may be relevant to many other societal debates whether its health care or the preservation of protective marshes
around New Orleans in which values can be assigned to various services and compromises reached.