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ecosystems

A common frog, Rana temporaria
Posted inNews

Leaping Global Temperatures Make Frog Disease Deadlier

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 May 20199 September 2024

Climate change will shift the warmest months, when disease rates spike, into tadpole season, which could endanger the long-term survival of common frogs.

Tara Oceans expedition ship in the Arctic
Posted inNews

Marine Virus Survey Reveals Biodiversity Hot Spots

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 May 201918 October 2022

Ocean samples collected from around the world produced a twelvefold increase in the number of marine viruses known. A portion of the Arctic Ocean has “surprisingly high diversity.”

Rings of bare sand surround dozens of individual coral reefs in the Red Sea.
Posted inNews

Mysterious Coral Reef Halos Can Be Seen from Space

Mary Caperton Morton, Science Writer by Mary Caperton Morton 3 May 201923 February 2023

Grazing rings around reefs have the potential to be used as a tool for monitoring reef health, but first, scientists have to figure out what factors govern halo size differences.

Black sea bass swimming above a coral reef
Posted inNews

Global Warming Hits Marine Life Hardest

Mary Caperton Morton, Science Writer by Mary Caperton Morton 2 May 201916 February 2023

The lack of thermal refugia in the ocean means marine life has nowhere to escape from rising sea temperatures.

A stream flowing down a valley
Posted inResearch Spotlights

Modeling River Boulders to Improve Hydropower Sustainability

Aaron Sidder, freelance science writer by Aaron Sidder 30 April 20199 March 2023

Large stones in streams provide crucial habitat for fish. Modeling the boulders and streamflow offers fresh insights into how water engineering projects alter aquatic habitats.

Tracers of ecosystem respiration
Posted inResearch Spotlights

Understanding Stream Metabolism with Reactive Tracers

Aaron Sidder, freelance science writer by Aaron Sidder 29 April 20197 March 2022

When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.

Citizen Scientist Inspects gray Northern Fulmar carcass
Posted inOpinions

Science in This Century Needs People

by Julia Parrish 22 April 201918 April 2023

An ecologist built an army of beach surveyors over 20 years and now has the world’s largest data set of marine bird mortality informing climate change and disaster studies.

Scientists in Arctic
Posted inNews

The Ice Nurseries of the Arctic Are Melting

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 11 April 20194 April 2023

Ice formed in coastal nurseries along Russia’s Arctic coast is melting before it can float far offshore. Scientists are worried about what that means for wildlife.

The moon rises behind a tree in the Ancient Bristlecone Pine Forest in California
Posted inResearch Spotlights

Topography and Microclimate Shape Tree Ring Growth

Aaron Sidder, freelance science writer by Aaron Sidder 25 March 201915 October 2021

Wizened bristlecone pines in California reveal past climate trends, and new research shows how slight variations in landscape position drive different growth patterns in trees’ annual rings.

A dummy instrument familiarizes a resident with the critical zone observatory project collecting data near his home.
Posted inScience Updates

Monitoring Ecosystem Health in India’s Food Basket

by S. Gupta, S. H. Karumanchi, S. K. Dash, S. Adla, S. Tripathi, R. Sinha, D. Paul and I. S. Sen 20 March 20196 February 2023

A new critical zone observatory in India’s Ganga Basin helps researchers and farmers understand and improve the ways that human activities shape environmental processes.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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17 September 202617 September 2026
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Seasonality is Changing for Extreme Dry and Humid Heat Events 

18 September 202617 September 2026
Editors' Vox

In Appreciation of AGU’s Outstanding Reviewers of 2025

14 September 202610 September 2026
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