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Articles on Trees

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Juniper trees, common in Arizona’s Prescott National Forest, have been dying with the drought. Benjamin Roe/USDA Forest Service via AP

Trees are dying of thirst in the Western drought – here’s what’s going on inside their veins

Without enough water, trees can develop embolisms, similar to blockages in human blood vessels, and they’re more likely to die from drought or fires.
With the evidence uncovered by paleontologists, an artist sketched El Bosque Petrificado Piedra Chamana as it might have looked long before humans. Mariah Slovacek/NPS-GIP

A volcanic eruption 39 million years ago buried a forest in Peru – now the petrified trees are revealing South America’s primeval history

Using remnants of fossilized trees, scientists and an artist figured out what the forest looked like long before humans existed.
A forested plot in Thailand’s Doi Suthep Pui National Park, formerly burnt over, after 12 years of restoration. Forru/Wikipedia

Arbor Day should be about growing trees, not just planting them

Planting trees is a popular way to do something for nature, but putting seedlings in the ground is just the first step. And without long-term care, those sprouts may not last.
Longleaf pines support one another through mycorrhizae – mutually beneficial relationships between certain fungi and the trees’ roots. Justin Meissen/Flickr

Plants thrive in a complex world by communicating, sharing resources and transforming their environments

We may think of plants as passive life forms, but they can cooperate, share resources, send one another warnings, and distance themselves from their communities when survival depends on it.
Modern computing allows to spot isolated trees and shrubs in semi-arid areas, facilitating research on the evolution of vegetation cover. Martin Brandt

How we mapped billions of trees in West Africa using satellites, supercomputers and AI

Advanced techniques allowed our research team to build an open database of billions of individual trees and challenge some common perceptions about vegetation in arid and semi-arid zones.

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