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biogeosciences

Satellite image of green swirls in blue water next to a snow-covered coast
Posted inNews

Iron Emissions Are Shifting a North Pacific Plankton Bloom

by Mark DeGraff 6 August 20256 August 2025

Some of the iron emitted by industrial activity in East Asia is carried by winds into the North Pacific, where it nourishes iron-hungry phytoplankton.

An image depicts a thin layer of sedimentary rock under a microscope. Fragments of fossilized organisms show up as small dark blobs.
Posted inNews

Biomass and Biodiversity Were Coupled in Earth’s Past

by Grace van Deelen 9 July 20259 July 2025

Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff in Earth’s oceans changed alongside the diversity of organisms.

Aerial photo of a rectangular patch of light green peatland surrounded by dark green forest
Posted inNews

Surface Conditions Affect How Mosses Take to Former Well Pads in Canada’s Boreal Fens

by Kaja Šeruga 18 June 202518 June 2025

With the help of key moss species, a new approach aims to restore the fens of the Western Boreal Plain.

A group of more than a dozen penguins stand on a rocky shoreline. A glacier or snowy mountain is across the water not too far from them.
Posted inResearch Spotlights

Where Do Antarctic Submarine Canyons Get Their Marine Life?

by Rebecca Owen 18 June 202518 June 2025

A new study investigates how much of the phytoplankton in the Palmer Deep submarine canyon is homemade and how much is delivered.

Un gran árbol con flores rosadas se alza por encima de un bosque de otros árboles verdes.
Posted inNews

Algunos árboles tropicales se benefician de los rayos

Katherine Kornei, Science Writer by Katherine Kornei 10 June 20259 June 2025

Dos imágenes muestran el mismo árbol, antes (izquierda) y después (derecha) del impacto de un rayo. En la imagen de la derecha, el árbol no está cubierto de enredaderas leñosas y algunos de los árboles que lo rodean han muerto.

A garden with colorful trees and a waterfall.
Posted inNews

As Climate Changes, So Do Gardens Across the United States

by Grace van Deelen 28 May 202528 May 2025

Warmer winter temperatures have altered frost patterns and growing seasons across the United States, forcing botanical gardens and arboretums to adapt.

In the foreground is a beach covered in brownish seaweed, farther back is a body of water coated in chunks of floating ice, and in the distance are mountains and the sky.
Posted inResearch Spotlights

Seaweed Surges May Alter Arctic Fjord Carbon Dynamics

Sarah Stanley, Science Writer by Sarah Stanley 16 May 202516 May 2025

Climate change–accelerated seaweed growth could cause seaweed-dependent microbes to proliferate and consume more oxygen, leading to a rise in oxygen-starved zones.

A boat floats atop an inlet covered in brown Sargassum seaweed.
Posted inNews

Have We Finally Found the Source of the “Sargassum Surge”?

by Sarah Nelson 14 May 202514 May 2025

The complexity of modeling the tropical Atlantic makes identifying the source of the ongoing seaweed blooms difficult.

A large tree with pink blossoms towers above a forest of other green trees.
Posted inNews

Some Tropical Trees Benefit from Lightning Strikes

Katherine Kornei, Science Writer by Katherine Kornei 12 May 202510 June 2025

Direct lightning strikes cause minimal damage to Dipteryx oleifera. But these same strikes effectively kill parasitic vines and neighboring trees that compete with the species for light and nutrients.

Tall glacier face with layered ice wall meeting rocky terrain, with a person in bright-colored clothing at the base.
Posted inNews

Newly Discovered Algae May Speed Melting of Antarctic Ice

by Andrew Chapman 9 May 20259 May 2025

Purple pigmentation in a diverse array of algae absorbs heat and creates a feedback loop responsible for 2% of total daily melting.

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Features from AGU Publications

Research Spotlights

Maybe That’s Not Liquid Water on Mars After All

21 November 202521 November 2025
Editors' Highlights

The Language of the Crust: Investigating Fault-to-Fault Interactions

21 November 202519 November 2025
Editors' Vox

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

19 November 202519 November 2025
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