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beavers

A river runs past a beaver dam in the foreground with mountains and clouds in the background.
Posted inNews

Arctic Beavers Advance North and Accelerate Permafrost Thaw

by Grace van Deelen 10 December 202410 December 2024

As beavers build dams in new areas, they impound water, warming permafrost adjacent to their ponds.

An adult and a juvenile beaver are pictured in a pond, both nibbling on leaves. The image shows vegetation in the foreground.
Posted inNews

Beavers Have Engineered Ecosystems in the Tetons for Millennia

by Grace van Deelen 13 December 202313 December 2023

Analysis of lake sediment in Grand Teton National Park is helping piece together ecosystem history, with helpful implications for land managers today.

A beaver swims with a stick through a creek in front of tall grass and brush.
Posted inResearch Spotlights

Beavers Are Remaking Microbial Ecosystems in the Arctic

by Saima May Sidik 22 August 202322 August 2023

As beavers expand their range northward into the Arctic tundra, changes in bacterial, archaeal, and fungal communities appear to be following.

A beaver dam made of numerous small branches sits in a small pond, with mountains in the distance.
Posted inResearch Spotlights

Mapping Beaver Dams with Machine Learning

Sarah Derouin, Science Writer by Sarah Derouin 15 June 202315 June 2023

A new model deploys a neural network to spot beavers’ engineering exploits in aerial and satellite imagery, an approach that should aid studies of ecosystem and landscape change.

A cloudy sky above a landscape of evergreens and trees lacking any leaves, a cascade of beaver ponds cuts through the forest. On the right side of one of the ponds, a moose stands with its head down, reflected in the water.
Posted inNews

Scientists EEAGER-ly Track Beavers Across Western United States

by Alka Tripathy-Lang 3 January 20233 January 2023

Efficiently tracking nature’s engineers—beavers—at the scale of entire watersheds over time is now possible, thanks to a new artificial intelligence–trained model called EEAGER.

Young beaver in pool of water
Posted inNews

Are Beavers Nature’s “Little Firefighters”?

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 13 December 201915 November 2022

It’s about dam time: Beavers are acknowledged for their firefighting skills in five recent blazes.

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