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ecosystems

A screenshot of a video taken from a deep-sea remotely operated vehicle shows white ash settled on the seafloor near the Hunga eruption in Tongan waters.
Posted inNews

The Tonga Eruption Left Deep-Sea Life Buried in Ash

by Andrew Chapman 11 July 202411 July 2024

When Hunga erupted in 2022, ash “decimated” slow-moving species living on the seafloor. More mobile species were able to hoof it out of harm’s way.

Viewed from below, three sharks swim beneath a dense school of smaller fish in the ocean, all in shades of blue.
Posted inResearch Spotlights

In Hot Water and Beyond: Marine Extremes Escalate

Sarah Stanley, Science Writer by Sarah Stanley 28 June 202428 June 2024

A new study suggests marine life is increasingly faced with triple-threat events in which extreme water temperature, low oxygen levels, and acidification converge.

A lake surrounded by trees on a smoky day
Posted inNews

Wildfire Smoke Affects the Function of Lake Ecosystems

by Carolyn Wilke 27 June 202427 June 2024

Smoke-covered lakes see shifts in biological and energy processes that influence food webs, carbon storage, and more.

Una persona agachada en un campo cultivado.
Posted inNews

Cómo el volcán Tungurahua arrojó metales pesados en el suministro alimentario de Ecuador

by Andrew J. Wight 6 June 202410 June 2024

Cuando el volcán Tungurahua de Ecuador entró en erupción múltiples veces entre 1999 y 2016, las comunidades agrícolas cercanas fueron cubiertas por ceniza, la cual dejó metales pesados en sus cultivos.

一个红黑相间的急救箱放在冰冻的湖面上。背景是松树和多云的天空。
Posted inResearch Spotlights

为全球湖泊做健康检查

Sarah Derouin, Science Writer by Sarah Derouin 4 June 20244 June 2024

湖泊正面临着一系列可能成为长期问题的健康问题。人类健康保健策略会有所帮助吗?

Close up view of a cylindrical yellow ocean temperature sensor affixed to a green fishing net sitting on a metal surface, with a fish lying flat beside the sensor
Posted inScience Updates

The Moana Project Braids Tradition and Science for a More Sustainable Ocean

by João Marcos Azevedo Correia de Souza, Julie Jakoboski, Jonathan Gardner, Maui Hudson and Malene Felsing 31 May 202424 September 2024

Scientists and Māori communities in Aotearoa New Zealand are gathering knowledge on marine conditions and ecosystems to protect livelihoods and help ensure a sustainable future for the blue economy.

Brown-gray ash covers a building and surrounding fields.
Posted inNews

How Tungurahua Volcano Dropped Heavy Metals into Ecuador’s Food Supply

by Andrew J. Wight 13 May 20246 June 2024

When Ecuador’s Tungurahua volcano erupted multiple times between 1999 and 2016, nearby farming communities were covered in ash, which left heavy metals in their crops.

Bison roam in a grassland with dead and living trees.
Posted inNews

Kansas Prairie Streams Are Getting Choked, Maybe for Good

by Kimberly Hatfield 6 May 20246 May 2024

A herculean effort to fight back woody plants in the Konza Prairie has largely failed. The outcome shows how difficult it can be to retore these ecosystems.

Graph from the paper.
Posted inEditors' Highlights

Discounting Carbon Gain to Prevent Water Loss Today

by Susan Trumbore 29 April 202429 April 2024

A new study introduces a timescale for optimizing tradeoffs between carbon gain and water loss to improve estimates of photosynthesis during prolonged dry spells.

A red first aid bag sits on a frozen lake. A shore with pine trees is in the distance.
Posted inResearch Spotlights

Lakes Worldwide Need a Checkup

Sarah Derouin, Science Writer by Sarah Derouin 22 April 20244 June 2024

Lakes are facing a slew of health issues that may become chronic. Can human health care strategies help?

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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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Wind Works: The Atmosphere’s Invisible Energetic Tug-of-War

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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