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wetlands

A researcher wearing waders stands ankle deep in muddy sediment, bending over to extract a water sample from the sediment using a plastic syringe.
Posted inScience Updates

Tracing Iron’s Invisible Transformations Just Beneath Our Feet

by Andrew R. C. Grigg, Katrin Schiedung, Joëlle Kubeneck and Ruben Kretzschmar 19 September 202519 September 2025

A new method that adds synthetic iron minerals to soils sheds light on hard-to-observe soil and sediment processes and may have a host of other applications in the Earth sciences and beyond.

Drone image of beaver pond complex in Wyoming. A group of around five humans stands on a rock near the pond’s edge on a sunny day. Green wetland vegetation rings the open ponds of water, with beaver dams visible across the stream. Vegetation on either side of the stream is in drier conditions, visible by species and color of soil and plants.
Posted inNews

What Makes Beaver Ponds Bigger?

by Mack Baysinger 18 September 202518 September 2025

For the first time, researchers are able to add hydrologic estimates to find where reintroducing beavers could best benefit a watershed and the humans who live within it.

A trampled over wetland
Posted inEditors' Highlights

Where the Pigs and Buffalo Roam, the Wetlands They do Bemoan

by Ankur R. Desai 19 August 202519 August 2025

A novel fenced enclosure study demonstrates the heavy toll that invasive ungulates have on greenhouse gas emissions from coastal wetlands on Indigenous lands in Australia.

Tall, green marsh grasses at sunrise
Posted inNews

Machine Learning Model Flags Early, Invisible Signs of Marsh Decline

by Skyler Ware 17 July 202517 July 2025

Decreases in underground plant biomass could signal future marsh loss and prompt conservation measures.

Aerial photo of a rectangular patch of light green peatland surrounded by dark green forest
Posted inNews

Surface Conditions Affect How Mosses Take to Former Well Pads in Canada’s Boreal Fens

by Kaja Šeruga 18 June 202518 June 2025

With the help of key moss species, a new approach aims to restore the fens of the Western Boreal Plain.

A photo of a delta taken from inside an airboat. The airboat has two stickers on it that say “Watch your step.”
Posted inNews

Louisiana’s Wetlands Store Massive Amounts of Carbon. But When Destroyed, They Release It.

by Elise Plunk 14 March 202514 March 2025

Louisiana’s wetlands are one of the planet’s most vital carbon storage centers, but destroying these reservoirs can accelerate harmful emissions that intensify global warming, according to experts.

A wetland under a sunny sky.
Posted inResearch & Developments

EPA Moves to Rewrite Water Rules Following Sackett Decision

by Grace van Deelen 12 March 20255 May 2025

EPA administrator Lee Zeldin announced today that the agency would kick off a review of EPA rules and redefine “waters of the United States” to ensure that the agency aligns with the 2023 Supreme Court decision Sackett v. Environmental Protection Agency (EPA), which limited the implementation of the Clean Water Act.

Map of Irish wetlands
Posted inNews

Where the Wetlands Are

by Rebecca Owen 26 February 202526 February 2025

Researchers have crafted the most comprehensive map yet of Europe’s wetlands.

An evergreen tree overlooks a marsh on a cloudy day.
Posted inNews

As Seas Rise, Marshes May Still Trap Carbon—and Cool the Planet

by Rambo Talabong 10 December 202410 December 2024

Rising seas spell doom for coastal wetlands trapping carbon—or do they? New research reveals that as these ecosystems transition, they can still trap carbon and possibly cool the planet.

A person sits on a platform on a marsh. The platform is connected to a series of wires connected to a white tower.
Posted inResearch Spotlights

Dry Heat, Wet Heat, and Wetland Methane Emissions

Aaron Sidder, freelance science writer by Aaron Sidder 20 November 202420 November 2024

Compound weather events—such as extreme cold or heat combined with severe dryness or precipitation—have a greater effect on wetland methane emissions than discrete weather extremes do.

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