edge of the Amazon showing deforestation
Amazon Rainforest Nearing Savannah “Tipping Point”
Half or more of the world’s largest forest is in danger of transitioning into grassland, researchers say.
ABOVE: © ISTOCK.COM, Brasil2
Amazon Rainforest Nearing Savannah “Tipping Point”
Amazon Rainforest Nearing Savannah “Tipping Point”

Half or more of the world’s largest forest is in danger of transitioning into grassland, researchers say.

Half or more of the world’s largest forest is in danger of transitioning into grassland, researchers say.

ABOVE: © ISTOCK.COM, Brasil2

forest

Vector drawing of a tropical rainforest with diverse trees
More Than 9,000 Tree Species Await Scientific Description
Christie Wilcox | Feb 1, 2022
A new study of tree biodiversity estimates that Earth boasts 14 percent more tree species than previous efforts have identified.
a large, mossy cedar tree in a forest
Book Excerpt from Finding the Mother Tree
Suzanne Simard | May 1, 2021
In the book’s introduction, “Connections,” Suzanne Simard relates how her “perception of the woods has been turned upside down.”
Opinion: Western Canada Must Stop Clearcutting Its “Mother” Trees
Suzanne Simard, Teresa Ryan | May 1, 2021
Feeding the world’s insatiable appetite for wood products is sacrificing the future of a crucial ecosystem.
Forest Fungi Ride Out Wildfires by Hiding Inside Plants
Annie Greene | Apr 1, 2020
Researchers uncover the “body-snatching” tactics of fungi that flourish immediately after wildfires.
Interactive Infographic: How Salt Transforms Coastal Forests
Ashley Yeager | Mar 1, 2020
Rising sea levels are pushing salty tides and storm surges farther inland, leading to the forest death and a shift from forested habitats to marsh.
Climate Change Is Killing East Coast Forests
Ashley Yeager | Mar 1, 2020
As the salty Atlantic Ocean pushes farther inland, forests are turning to marsh. Some scientists want to speed the transition.
Image of the Day: Changing Forests
Emily Makowski | Nov 27, 2019
Carbon dioxide and temperature need to increase in a constant ratio for plants to keep up with climate change.
forest climate change trees ecosystem carbon storage
Researchers Find Flaws in High-Profile Study on Trees and Climate
Katarina Zimmer | Oct 17, 2019
Four independent groups say the work overestimates the carbon-absorbing benefits of global forest restoration, but the authors insist their original estimates are accurate.
Tree stump analyzed for water flow from nearby trees sharing root system
Image of the Day: Tree Hugger
Nicoletta Lanese | Jul 29, 2019
Water flows between a dead-looking stump and nearby trees on an alternating schedule.
deer forest sounds
Browsing Deer Affect How A Forest Sounds
Jef Akst | Jun 1, 2019
Changes in the auditory environment as a result of herbivory could influence how animals communicate, and may have implications for sound-based monitoring of species.
Climate Change Impairs Trees’ Recovery from Wildfires
Kerry Grens | Mar 12, 2019
Ponderosa pine and Douglas fir are less able to regenerate in the face of climate change, and some areas have already “crossed a critical climate threshold.”
hurricane infographic
Infographic: How Forests Survive the Storm
Amber Dance | Feb 1, 2019
Trees are resilient, but researchers wonder if climate change will outpace their adaptations.
How Trees Fare in Big Hurricanes
Amber Dance | Feb 1, 2019
Forests are resilient, but researchers wonder if climate change will outpace their adaptations.
Deforestation Tied to Changes in Disease Dynamics
Katarina Zimmer | Jan 29, 2019
Numerous studies link habitat destruction to malaria and other vector-borne diseases, but the relationship isn’t always clear.
A Mysterious Disease Is Killing Beech Trees
Carolyn Wilke | Jan 22, 2019
Scientists suspect the rapidly spreading beech leaf disease is due to an unidentified microbe.
Diverse Forests Are Better at Accumulating Carbon
Catherine Offord | Dec 1, 2018
A higher species richness could boost plant communities’ ability to mitigate climate change, a study suggests.
Huge Arthropod Declines Documented in Puerto Rican Rainforest
Ashley P. Taylor | Oct 16, 2018
The study authors attribute the decreases to climate change.
Save the Wolves, Control the Moose
The Scientist Staff | Sep 25, 2018
Researchers plan to relocate mainland wolves to an island in Lake Superior in an effort to boost the near-extinct predator population and limit the growth of local moose herds.
Present-Day Arboreal Birds Have Ground-Dwelling Past
Sukanya Charuchandra | May 24, 2018
A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.