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ecosystems

Mangrove forest
Posted inNews

After a Hurricane, Coastal Systems Draw a Line in the Sand

by J. Besl 13 April 202213 April 2022

A new study finds nature can’t have it both ways: On the basis of thousands of case studies from dozens of hurricanes, there’s always a trade-off between resistance and resilience.

Satellite image of the Mississippi River near Memphis, Tenn., with a false-color overlay
Posted inScience Updates

A Sharper Look at the World’s Rivers and Catchments

by Bernhard Lehner, Achim Roth, Martin Huber, Mira Anand and Michele Thieme 12 April 202220 May 2022

Digital hydrographic maps have transformed global environmental studies and resource management. A major database update will provide even clearer and more complete views of Earth’s waterways.

Green trees and low shrubs in the middle of a forest burn in a fire. The fire burns primarily in the center of the image with a few smaller fires seen in the background and around the edges of the image. The entire image is viewed through a haze of smoke.
Posted inNews

U.S. Fires Quadrupled in Size, Tripled in Frequency in 20 Years

by Kimberly M. S. Cartier 8 April 202225 April 2022

Changes including intensifying drought, expansion into burnable land, and an increase in human-caused ignitions have led to a shift in fire patterns.

A boreal forest sits at the base of Alaska’s snowcapped mountains with a stream in the foreground.
Posted inNews

Satellites Reveal Slow Shift of the Entire Boreal Biome

by Saima Sidik 5 April 20225 April 2022

According to a new study, warmer temperatures and high soil nitrogen levels are causing Earth’s largest land biome to advance northward.

A meadow of the seagrass Posidonia oceanica
Posted inNews

Mortality of Seagrass Meadows May Not Kill Their Methane Release

by Derek Smith 31 March 202231 March 2022

New research indicates that seagrasses continue to release methane even after they die, complicating blue carbon initiatives.

Vehicles cross a bridge over the Ravi River in Lahore, Pakistan, at sunset.
Posted inNews

Pharmaceuticals Found in Rivers on All Continents

by Jordan Wilkerson 22 March 202222 March 2022

A quarter of 258 observed rivers had unsafe levels of at least one drug. The findings raise concerns about Earth’s aquatic life and the global threat of antimicrobial resistance.

SOCCOM float observing system with ship track, float trajectories, and communication of the float data back to land.
Posted inFeatures

A Global Ocean Biogeochemical Observatory Becomes a Reality

by Oscar Schofield, Andrea Fassbender, Maria Hood, Katherine Hill and Ken Johnson 17 March 202217 March 2022

Building on the successful Argo network of seafaring temperature and salinity sensors, work is underway to deploy 1,000 floats equipped to study ocean biogeochemistry in greater detail than ever.

A wetland
Posted inNews

Climate Report Rebukes Overshoot Plans with “Irreversible Consequences”

by Jenessa Duncombe 28 February 202228 February 2022

Many pathways to stopping climate change involve overshooting 1.5°C temporarily. The latest synthesis of 34,000 references says that’s a bad idea.

Photograph of the the Monteverde Cloud Forest Reserve in Costa Rica
Posted inEditors' Vox

Modeling Forest-Atmosphere Exchange

by A. Robert MacKenzie and Edward J. Bannister 11 February 202210 February 2022

Studying the interactions between the atmosphere and forests is a key component of understanding forest ecosystems and the interplay between our atmosphere and the living world.

Polygons created by melting permafrost
Posted inNews

More Fires, More Problems

by Danielle Beurteaux 1 February 202221 March 2022

Increasing incidents of wildfires in the Arctic are not only thawing permafrost but changing the entire underlying structure of the region.

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