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ecology

Fotografía del volcán Pichu Pichu
Posted inNews

Los incendios forestales amenazan los suelos volcánicos de los Andes peruanos

by Sofia Moutinho 7 May 20257 May 2025

Los frágiles ecosistemas de las tierras altas mostraron baja resiliencia a los incendios, lo que los hace más vulnerables a la degradación a largo plazo.

Pilares de tierra marrón que sobresalen de una llanura cubierta de hierba con árboles y arbustos.
Posted inNews

Investigadores cuantifican el impacto de los animales en la transformación de la Tierra

by Carolyn Wilke 21 April 202521 April 2025

Los animales salvajes utilizan 76,000 gigajulios de energía—el equivalente a cientos de miles de monzones o inundaciones—moldeando los ecosistemas terrestres y de agua dulce de nuestro planeta.

Brown dirt pillars sticking up from a grassy plain with trees and bushes.
Posted inNews

Researchers Put a Number on Animals’ Earth-Shaping Effects

by Carolyn Wilke 27 March 202521 April 2025

Wild animals expend 76,000 gigajoules of energy—the equivalent of hundreds of thousands of monsoons or floods—shaping our planet’s terrestrial and freshwater ecosystems.

Pichu Pichu dominates the landscape of the Peruvian Andes.
Posted inNews

Wildfires Pose a Threat to Volcanic Soils in the Peruvian Andes

by Sofia Moutinho 20 March 20257 May 2025

Fragile highland ecosystems showed low resilience to fire, which renders them more vulnerable to long-term degradation.

Aerial view of a group of caribou trotting across snowy ground
Posted inNews

Snowmelt Sends Caribou Packing

by K. R. Callaway 10 December 202410 December 2024

Researchers compared caribou tracking data with satellite observations to learn whether snowpack conditions trigger the animals’ arduous annual migration.

An illustration depicts a meteorite impacting Earth, causing a large explosion.
Posted inNews

Planetary Perturbations May Strengthen Gaia

by Grace van Deelen 27 November 202416 January 2025

Large-scale disruptions to life may ultimately increase ecological complexity over geologic timescales, though the risk of extinction always looms.

In this artist’s rendition, a satellite consisting of two umbrella-shaped instruments and two solar panels is seen in the foreground. In the background, a crescent of Earth is shown in the blackness of space.
Posted inNews

Next NASA Field Campaign Could Fund Projects in Drylands or Tropics

by Saima May Sidik 1 November 20241 November 2024

Scientific feedback can improve proposals and signal support for large-scale, intensive climate research.

A closeup photo of a layer of biocrust, a thin layer separated from the soil underneath by about an inch
Posted inNews

The Dirt on Biocrusts: Why Scientists Are Working to Save Earth’s Living Skin

by Jude Coleman 23 September 20242 October 2024

Think twice before stepping on that crunchy top layer of soil. It may be a vital ecosystem—one that you can help protect.

A graph from the study.
Posted inEditors' Highlights

Spectral Solar Radiative Transfer in Plant Canopies

by Jiwen Fan 6 September 20244 September 2024

Spectrally resolved radiative transfer is needed to compute reliable estimates of sunlight transmission and photolysis of molecules within plant canopies.

Rows of green ash tree leaves lie on a gridded table
Posted inNews

Urban Lights Make Tree Leaves a Tougher Meal for Insects

by Amy Mayer 28 August 202428 August 2024

Two common street trees in Beijing show different responses to artificial light at night, but both grow leaves that are tougher and less toothsome to insects.

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A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Mapping the Ocean Floor with Ancient Tides

6 May 20256 May 2025
Editors' Highlights

First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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