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biogeosciences

Close-up view of a slimy-looking deep purple microbial mat with lighter-colored splotches
Posted inFeatures

Modern Microbial Mats Offer Glimpses of Other Times and Places

by Bopaiah A. Biddanda, Anthony D. Weinke, Ian P. Stone, Steven A. Ruberg and Phil A. Hartmeyer 12 January 202412 January 2024

Comprising diverse groups of microbes, isolated but globally scattered mat ecosystems like those in Lake Huron may be analogues of life on early Earth and in other exotic environs.

Bubbles and the silhouettes of fish are seen from below, with light from the surface above them.
Posted inFeatures

Oceanic Cacophony 

by Alka Tripathy-Lang 21 December 202321 December 2023

The ocean is a pretty loud place, and anthropogenic noise is adding another layer to the soundscape.

A red octopus floats within white speckled water.
Posted inNews

Microplastics Are the Not-So-Secret Ingredient in Marine Snow

by Molly Herring 20 December 20239 February 2024

Particles of tiny, degraded plastics coated with biofilms sink to the seafloor, carrying carbon with them.

Giant kelp grows in sunny, blue water.
Posted inNews

When Forests on Land Burn, Forests Underwater Feel the Impact

by J. Besl 18 December 20239 February 2024

Kelp is a habitat, a carbon sink, and a binding agent in your ice cream. But new research shows that California’s kelp forests are affected by the fate of their counterparts on land.

A pipe brings water into a stream.
Posted inENGAGE, News

Even Treated Sewage Harms Freshwater Ecosystems

by Erin Martin-Jones 15 November 202328 November 2023

In a controlled experiment, researchers diverted wastewater from an advanced treatment facility into a healthy stream and monitored the unfolding ecological effects.

Llamas walking along a rocky landscape in front of a retreating glacier in Cordillera Blanca, northern Peru.
Posted inENGAGE, News

How Llama Poop Is Helping an Andean Community Adapt to Melting Glaciers

by Sofia Moutinho 9 November 202317 November 2023

Reintroducing these animals can enrich barren soils and potentially reduce water contamination, a study shows.

A large, goose-shaped lake stretches across Canada’s Northwest Territories. Two red circles and two yellow triangles mark sites where samples were taken from the lake, and the Slave River and the Hay River are both labeled.
Posted inNews

Arctic Warming Triggers Abrupt Ecosystem Shift in North America’s Deepest Lake

Cheryl Katz, Science Writer by Cheryl Katz 24 October 202330 October 2023

Great Slave Lake’s huge cold water mass shielded it from impacts of the rapidly warming climate—until now.

A dry tree stands out amid green trees in an Amazon forest.
Posted inNews

South American Rainforests Are on the Brink of Becoming Carbon Sources

by Sofia Moutinho 17 October 202317 October 2023

Plants’ ability to stock carbon ceased during the 2015–2016 El Niño, as temperatures skyrocketed and trees died.

The Sun rising above Arctic sea ice; view of a meltwater pond and pressure ridges in the foreground
Posted inNews

Arctic Ice Loss Could Shorten Winter Feeding Time for Zooplankton

by Veronika Meduna 2 October 20232 October 2023

The Arctic’s thinning sea ice allows more light to penetrate deeper into the ocean, holding zooplankton far beneath the surface.

Marine snow falling through photic zone in Monterey Bay, California.
Posted inScience Updates

Our Evolving Understanding of Biological Carbon Export

by Emily Osborne, Jessica Y. Luo, Ivona Cetinić, Heather Benway and Susanne Menden-Deuer 12 September 202325 January 2024

The array of processes and organisms that make up the biological carbon pump has immense influence on Earth’s carbon cycle and climate. But there’s still much to learn about how the pump works.

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24 September 202625 September 2026
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28 September 202625 September 2026
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14 September 202610 September 2026
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