News tagged with wetlands
Population pressure impacts world wetlands
(Phys.org) -- The area of the globe covered by wetlands (swamps, marshes, lakes, etc.) has dropped by 6% in fifteen years. This decline is particularly severe in tropical and subtropical regions, and in areas ...
May 14, 2012 |
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15-year study: When it comes to creating wetlands, Mother Nature is in charge
Fifteen years of studying two experimental wetlands has convinced Bill Mitsch that turning the reins over to Mother Nature makes the most sense when it comes to this area of ecological restoration.
Mar 07, 2012 |
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Restored wetlands rarely equal condition of original wetlands
Wetland restoration is a billion-dollar-a-year industry in the United States that aims to create ecosystems similar to those that disappeared over the past century. But a new analysis of restoration projects ...
Jan 24, 2012 |
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Scientist: Temperate freshwater wetlands are 'forgotten' carbon sinks
A new study comparing the carbon-holding power of freshwater wetlands has produced measurements suggesting that wetlands in temperate regions are more valuable as carbon sinks than current policies imply, according to researchers.
Jan 26, 2012 |
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Greenhouse gas impact of hydroelectric reservoirs downgraded
An international team of scientists has amassed the largest data set to date on greenhouse gas emissions from hydroelectric reservoirs. Their analysis, published today in the online version of Nature Geoscience, po ...
Aug 01, 2011 |
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Drying intensifying wildfires, carbon release ninefold, study finds
Drying of northern wetlands has led to much more severe peatland wildfires and nine times as much carbon released into the atmosphere, according to new research led by a University of Guelph professor.
Nov 01, 2011 |
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Wetlands are bad and good news for Arctic warming: study
(PhysOrg.com) -- Seasonal wetlands in Arctic regions will initially persist longer due to global warming but then shrink as temperatures rise further, according to new study into how climate change will progress this century.
Space & Earth / Earth Sciences
Jun 07, 2011 |
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Little African grebe becomes extinct
A tawny water fowl that lived in a tiny corner of Madagascar is extinct, wiped out by an introduced species of predatory fish and by nylon fishing nets, conservationists reported on Wednesday.
May 26, 2010 |
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Fossilized plant matter points to desertification near Tibetan Plateau
Roughly 22 million years ago, at the onset of the Miocene, the Tibetan Plateau started to lift upward. The rising land curbed the flow of moist air from the south, sparking the onset of central Asian desertification. Or, ...
Space & Earth / Earth Sciences
Apr 23, 2012 |
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Gulf oil spill: Mississippi River hydrology may help reduce oil onshore
The Gulf of Mexico: what role will the Mississippi River play in oil washing ashore and into delta wetlands?
Jun 17, 2010 |
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The Amazon: from wetland to river
(PhysOrg.com) -- How do you turn a mega wetland into the world's largest river? By continental tilting, suggests an international team led by a University of Sydney group.
Space & Earth / Earth Sciences
Nov 22, 2010 |
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New biodiversity map of the Andes shows species in dire need of protection
The Andes-Amazon basin of Peru and Bolivia is one of the most biologically rich and rapidly changing areas of the world. A new study published in BioMed Central's open access journal BMC Ecology has used information collec ...
Jan 27, 2012 |
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UC research reveals one of the earliest farming sites in Europe
(Phys.org) -- University of Cincinnati research is revealing early farming in a former wetlands region that was largely cut off from Western researchers until recently. The UC collaboration with the Southern ...
Other Sciences / Archaeology & Fossils
Apr 16, 2012 |
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Half of England in drought: officials
Half of England was officially in drought on Monday after the Environment Agency declared another 17 counties short of water, and warned the situation may continue until the end of the year.
Apr 16, 2012 |
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The impact of human activities on a selection of lakes in Tanzania
An increase in human activity is posing a threat to natural aquatic ecosystems in Tanzania and contributing to environmental damage and ecological changes. Doctoral research carried out by Hezron Emmanuel ...
Dec 28, 2011 |
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