Trees News

March 30, 2025

Top Headlines

Getting Hit by Lightning Is Good for Some Tropical Trees

Mar. 26, 2025 — Getting zapped with millions of volts of electricity may not sound like a healthy activity, but for some trees, it is. A new study reports that some tropical tree species are not only able to tolerate lightning strikes, but benefit from them. The ...

How Changing L.A.'s Tree Rules Could Cool More Neighborhoods

Mar. 26, 2025 — Los Angeles has some of the strictest tree planting rules in the nation. These policies limit tree growth, worsen shade disparities and don't improve safety, researchers found. When researchers modeled looser planting restrictions in a lower-income ...

How Extreme Weather Threatens Nature's Essential Services

Mar. 24, 2025 — A new model suggests that timber production in Minnesota could decrease by half as windstorms intensify with climate ...

Natural Insect Predators May Serve as Allies in Spotted Lanternfly Battle

Mar. 18, 2025 — Insect predators found in the United States could help keep spotted lanternfly populations in check while potentially reducing reliance on chemical control methods, according to a new ...

Latest Headlines

updated 10:14am EDT

Time Is Not the Driving Influence of Forest Carbon Storage

Mar. 18, 2025 — It is commonly assumed that as forest ecosystems age, they accumulate and store, or 'sequester,' more ...

Satellite Image Analysis Delivers New Insight Into the Functional Diversity of Tropical Forests

Mar. 5, 2025 — Satellite images from space are allowing scientists to delve deeper into the individual functions of different tropical forest canopies with new and ...

Could the Layout of Trees Impact Human Health?

Mar. 20, 2025 — A long-term Switzerland-wide study has found that neighbourhoods with numerous, well-arranged trees exhibit lower mortality risks than other areas. The reasons behind this, and the factors that play ...

A 62-Million-Year-Old Skeleton Sheds Light on an Enigmatic Mammal

Mar. 11, 2025 — For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly ...

Scientists Develop Advanced Forest Monitoring Systems: Will Forests Monitor Themselves in the Future?

Mar. 7, 2025 — 'Forests are among the most important ecosystems in nature, constantly evolving, yet their monitoring is often delayed,' says an expert. Climate ...

Tropical Forests in the Americas Are Struggling to Keep Pace With Climate Change

Mar. 6, 2025 — Tropical rainforests play a vital role in global climate regulation and biodiversity conservation. However, a major new study reveals that forests ...

Bark Beetle Infestation Slows Down Tree Growth Early on

Feb. 26, 2025 — Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study ...

Climate Change Increases the Risk of Tree Mortality in Urban Boreal Forests

Feb. 27, 2025 — Climate change poses a particular risk to pine trees growing in dry areas, a new study conducted in an urban recreational forest in Helsinki ...

Beyond the Burn: Harvesting Dead Wood to Reduce Wildfires and Store Carbon

Feb. 26, 2025 — A century of fire suppression, climate change, and drought has worsened wildfires in the Western U.S. While prescribed burns help reduce fuel, a 'fire deficit' increases wildfire risks, with ...

New Spatial Mechanism for the Coexistence of Tree Species

Feb. 26, 2025 — The reason why so many tree species can coexist in species-rich forests has long been a subject of debate in ecology. This question is key to understanding the mechanisms governing the dynamics and ...

Hidden Allies: Trees and Fungi

Feb. 26, 2025 — Researchers report on the influence of an endophytic fungus of the genus Cladosporium on the defense of black poplars against herbivorous insects. The fungus, which lives inside the leaves, not only ...

Scientists Decode DNA of White Oak Tree

Feb. 20, 2025 — Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It also ...

Reintroducing Wolves to Scottish Highlands Could Help Address Climate Emergency

Feb. 17, 2025 — Reintroducing wolves to the Scottish Highlands could lead to an expansion of native woodland which could take in and store one million tons of CO2 annually, according to a new ...

Function of Red Stigmas in Wind-Pollinated Flowers

Feb. 13, 2025 — Scientists discovered that the red stigmas in wind-pollinated trees accumulate anthocyanin, the same compounds that are revealed in autumn leaves after green chlorophyll production slows down and ...

Colorado Forests Are Releasing More Carbon Than They Capture Each Year

Feb. 11, 2025 — Colorado's forests store a massive amount of carbon, but dying trees -- mostly due to insects and disease -- have caused the state's forests to emit more carbon than they absorbed in recent ...

New Agroforestry Maps Plot Environmental, Social, and Economic Benefits of Trees

Feb. 6, 2025 — There's a longstanding attitude in many farming communities that trees and agriculture don't mix. But agroforestry can provide a multitude of benefits to farmers and landscapes. A new study ...

Climate Warming Leads to More Frequent Beech Tree Reproduction, at the Expense of Growth

Feb. 6, 2025 — A new long-term study reveals alarming insights into the impact of climate change on European beech (Fagus sylvatica), one of Europe's most widespread and ecologically important tree ...

Plant Power: A New Method to Model How Plants Move Water Globally

Feb. 5, 2025 — Earth systems models are an important tool for studying complex processes occurring around the planet, such as those in and between the atmosphere and biosphere, and they help researchers and ...

Promoting Cacao Production Without Sacrificing Biodiversity

Jan. 30, 2025 — The productivity of cacao trees decreases with time, forcing farmers to renew their plantations by either cutting down the old trees or establishing a new crop elsewhere. Frequently, new plantations ...

A Window Into the Future of Amazonia

Jan. 29, 2025 — New research from a team of tropical biologists forecasts some of the changes that may occur in the Amazon rainforest as temperatures rise due to climate ...

Complexity of Tree-Planting Schemes

Jan. 28, 2025 — Research with smallholder farmers in Kenya shows that tree-planting schemes must account for complex local issues and ...

How Human Activity Has Shaped Brazil Nut Forests' Past and Future

Jan. 24, 2025 — Researchers use genomic data to study the decline in genetic diversity in the Amazon Basin, particularly in Brazil Nut trees. The research uses genomic data to understand this keystone species' ...

Ash Tree Variability May Offer Restoration Path Post-Beetle Decimation

Jan. 13, 2025 — The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

Don't Write Off Logged Tropical Forests -- Converting to Oil Palm Plantations Has Even Wider Effects on Ecosystems

Jan. 9, 2025 — A research team has carried out the most comprehensive assessment to date of how logging and conversion to oil palm plantations affect tropical forest ecosystems. The results demonstrate that logging ...

Study Identifies Coastal Black Pine Trees Resistant to Tsunamis and Strong Winds

Jan. 8, 2025 — Researchers have found that the taller the Japanese black pine trees (Pinus thunbergii) along the coast, the deeper their roots penetrate the ground. Deeper roots make trees more resistant to damage ...

Ice Patches on Beartooth Plateau Reveal How Ancient Landscape Differed from Today's

Jan. 6, 2025 — Scientists say the frozen remnants of an ancient forest discovered 600 feet above the modern tree line on the Beartooth Plateau may portend possible changes for the alpine ecosystem if the climate ...

Prime Apple Growing Areas in US Face Increasing Climate Risks

Jan. 6, 2025 — Some of the most productive apple regions in America are facing big challenges from a changing climate, according to a new study. Researchers analyzed over 40 years of climate conditions that impact ...

Six New Tree Species Named: 3 from Panama, 3 from Colombia

Dec. 23, 2024 — Researchers have named six new tree species based on comparisons made among collections of dried plant specimens from across the Neotropics. Of these six, three of the new species have only been ...

How Loss of Urban Trees Affects Educational Outcomes

Dec. 17, 2024 — Economists looked at test scores and school attendance for Chicago-area kids before and after a bug infestation wiped out the city's ash trees. Education outcomes for low-income students went ...

Shrubs Can Help or Hinder a Forest's Recovery After Wildfire

Dec. 16, 2024 — When and where to plant tree seedlings to restore forests after wildfires has a lot to do with shrubs, finds a new ...