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ecosystems

Posted inResearch Spotlights

Reservoirs Act as a Source for Greenhouse Gases

by L. Strelich 6 November 201524 February 2023

Scientists examine nitrous oxide production in aquatic environments and the conditions that drive it.

Posted inResearch Spotlights

Underwater Gliders Find Swirling Vortices of Warm, Salty Water

by David Shultz 13 October 201522 July 2022

Vortices formed off the west coast of Sardinia could play a large role in Mediterranean water circulation and mixing and are significant for marine ecosystems and regional climate.

Posted inFeatures

Contaminated Sediment and Dam Removals: Problem or Opportunity?

by J. E. Evans 8 October 201514 September 2022

Restoring rivers to their free-flowing state promises a host of environmental benefits, but contaminated sediments may cloud the picture.

Posted inResearch Spotlights

As Forests Age, Their Climate Effects Shift

by David Shultz 23 March 20159 March 2023

The amount of moisture transpired from leaves increases for some tree species but drops on average.

Posted inResearch Spotlights

Survey Shows Where Arctic Marine Bird Populations Thrive

by C. Minnehan 4 March 201514 January 2022

"Hot spots" of species richness currently include the Bering Sea, Lancaster Sound, Baffin Bay, and Davis Strait. Will this change as sea ice melts?

Posted inResearch Spotlights

Survival of Young Sardines Flushed Out to Open Ocean

by J. Rosen 4 March 201522 July 2022

Despite favorable conditions within eddies and streamers that form ideal habitats for larval sardines, the young fish may not survive when flushed into the open ocean.

Posted inResearch Spotlights

Salish Sea a Key Source of Regional Marine Nutrients

by E. Betz 3 March 201516 February 2023

A new examination of nitrogen in the coastal waters off the Pacific Northwest shows that the Salish Sea delivers a large fraction of nutrients to shelf waters.

Posted inResearch Spotlights

Microbial Activity in Dry Soils

by C. Minnehan 9 February 20157 September 2022

Researchers investigate how microbes respire in dry conditions.

Posted inResearch Spotlights

A Noninvasive Way to Study Groundwater-Dependent Ecosystems

by J. Orwig 9 December 20145 May 2022

Scientists used a noninvasive method to study the substructure of delicate groundwater-dependent ecosystems.

Posted inNews

NOAA Research Vessel Explores Atlantic Ocean Seamounts

by Randy Showstack 21 October 20142 August 2022

NOAA’s Okeanos Explorer and two remotely operated vehicles help scientists investigate creatures, habitat, and geology on and near New England seamounts.

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Features from AGU Publications

Research Spotlights

Understanding Flux, from the Wettest Ecosystems to the Driest

24 November 202524 November 2025
Editors' Highlights

Avoiding and Responding to Peak Groundwater

25 November 202525 November 2025
Editors' Vox

Echoes From the Past: How Land Reclamation Slowly Modifies Coastal Environments

19 November 202519 November 2025
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