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biogeosciences

A group of sheep graze in a green field.
Posted inNews

Veterinary Antibiotics Reduce Soil Carbon Sequestration Capacity

by Rishika Pardikar 21 March 202321 March 2023

Livestock grazing areas sequester less carbon than those under wild herbivores.

A road winds through a mountain landscape covered in red mossy vegetation and shrubs.
Posted inNews

Native Plants Are Hiding Up High, but Invaders Are Catching Up

by Caroline Hasler 9 March 20239 March 2023

Far from pristine outposts of nature, mountains across the world are being rapidly colonized by non-native plants that spread uphill along roads.

Close-up view of bright green algae fronds
Posted inScience Updates

Making Sense of the Great Barrier Reef’s Mysterious Green Donuts

by Jody Webster, Mardi McNeil, Helen Bostock, Luke Nothdurft and Maria Byrne 9 March 20239 March 2023

Researchers set sail to the Great Barrier Reef to study how ring-shaped algae deposits formed and evolved, what feeds them, and the diversity of creatures that call them home.

Close-up of purple grapes used to make Riportella wine
Posted inNews

How Wine’s Origin Was Shaped by the Last Glacial Maximum

by Jenessa Duncombe 3 March 20233 March 2023

The harsh climate of the ice age influenced grapevine cultivation at the dawn of agriculture.

Three ants crawl on a vine. The ants and the vine are seen in silhouette with a yellow sunset behind them.
Posted inNews

Ants Aren’t Adapting to Warmer Temperatures

by Kimberly M. S. Cartier 17 February 202317 February 2023

Foraging in hotter-than-desired temperatures could negatively affect ants’ biology and the forest ecosystems that they support.

Photograph of a rocky hillslope with two people sitting at the top, in the distance.
Posted inNews

UV Radiation Contributed to Earth’s Biggest Mass Extinction

by Rachel Fritts 10 February 202327 February 2023

To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.

Plants with thick, fleshy, pointed green leaves in the foreground, brown fossil in the background
Posted inNews

Small Shrubs May Have Played a Large Role in Decarbonizing the Ancient Atmosphere

by Meghie Rodrigues 9 February 20239 February 2023

Vascular plants may have contributed to shaping Earth’s atmosphere long before trees evolved.

这幅森林场景描绘了几棵铁杉树的底部,其根部暴露在外
Posted inResearch Spotlights

用木质部估算植物用水量

by Sarah Derouin 31 January 202321 March 2023

一项新研究表明,来自植物木质部的化学同位素可以帮助改善森林水循环的表征。

A forest scene depicts the base of several hemlock trees with their roots exposed.
Posted inResearch Spotlights

To Estimate Plant Water Use, Consider the Xylem

by Sarah Derouin 13 January 202331 January 2023

New research shows that chemical isotopes from plant xylem can improve representations of the forest water cycle.

A scientific instrument being lowered from a research vessel into the ocean
Posted inNews

Deep-Sea Pressure Crushes Carbon Cycling

by Elise Cutts 11 January 202331 January 2023

The extreme pressure in the deep sea stifles microbes’ appetite for organic carbon. This finding could have important implications for carbon budgets and geoengineering.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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