Most of the tidal marshes along the eastern coast of the United States formed within the past 6,000 years due to a combination of slowly rising seas and European colonization.
Wetlands
Posted inNews
Chicago Wetlands Shrank by 40% During the 20th Century
A team of graduate students measured wetland and biodiversity changes during the 100 years following the reversal of the Chicago River.
Posted inEditors' Highlights
Coastal Sediment Deficit Appears Smaller Than Previously Thought
With a deficit of sediment needed to compensate for relative sea level rise, a new study demonstrates that organic material cannot be ignored in evaluating mass and volume accumulation rates.
Posted inEditors' Highlights
Downhill from Here: Landscape Positions and Greenhouse Emissions
In comparing soils from two tundra wetland landscape positions, landscape position is found to matter, and toeslopes are associated with higher greenhouse gas production.
Posted inEditors' Highlights
Soil Carbon May Not Remain Bogged Down in a Warmer World
Carbon was lost from an experimentally warmed boreal peatland much faster than it took to accumulate. Elevated CO2 had little effect on stored carbon, requiring re-evaluation of model assumptions.
Posted inFeatures
Lost in the Everglades
Living in Geologic Time: An unintentional adventure in the River of Grass shows how Florida has changed dramatically over 15,000 years of human habitation.
Posted inNews
Peatlands Are Drying Out Across Europe
Peatlands are some of the world’s largest reservoirs of soil carbon, but new research finds that in Europe they are drying out, putting them at risk of turning from carbon sinks to carbon sources.
Posted inNews
Keystone Pipeline Spills 9,120 Barrels of Oil in Dakota Wetlands
The leak took place along a preexisting section of the Keystone Pipeline. This is the pipeline’s fourth spill in 9 years.
Posted inNews
Resilient Peatlands Keep Carbon Bogged Down
Boreal peatlands contain some of the world’s largest reservoirs of soil carbon, and new research suggests some peatlands may hold on to that carbon even as the climate changes.
Posted inNews
Ancient Maya Farms Revealed by Laser Scanning
One agricultural network was 5 times larger than earlier estimates, and the fields may be an early source of human-caused greenhouse gas emissions.