Trees News

April 30, 2025

Top Headlines

Newborns Living Near Trees Tend to Be Healthier: New Data Suggests It's Not Because Healthier People Reside Near Parks

Apr. 23, 2025 — The link between proximity to greenspace -- including trees and parks-- and healthy birth outcomes is well established. Now new data adds to our understanding of these health benefits, accounting for ...

How Do You Like Them Apples? Apple Genus Evolution Revealed

Apr. 22, 2025 — A new comparison and analysis of the genomes of species in the genus Malus, which includes the domesticated apple and its wild relatives, revealed the evolutionary relationships among the species and how their genomes have evolved over the past ...

Introduced Trees Are Becoming More Common in the Eastern United States, While Native Diversity Declines

Apr. 21, 2025 — In a new study, researchers used more than 5 million measurements from individual trees across much of eastern North America and showed the rate at which introduced species are spreading has ...

A New Record for California's Highest Tree

Apr. 17, 2025 — A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme ...

Latest Headlines

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Foraging on the Wing: How Can Ecologically Similar Birds Live Together?

Apr. 15, 2025 — A new study used modern methods to reassess a foundational study in biology that explained how ecologically similar species of wood warblers coexist. The research team examined foraging behavior, ...

Experiment in Floodplain Forest: Using Tree Mortality to Support Oak Regeneration

Apr. 16, 2025 — The pedunculate oaks typical of Leipzig's floodplain forest and other German oak forests are struggling to regenerate in the understorey due to a ...

Tree Rings Track Atmospheric Mercury Cheaply

Apr. 9, 2025 — Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new ...

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 ...

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 ...

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 ...

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 change, pests, and human activity are ...

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 across the Americas are not adapting quickly enough ...

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 ...

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 ...

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, ...

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 ...