Iron legacy leaves soil high in manganese

(PhysOrg.com) -- Iron furnaces that once dotted central Pennsylvania may have left a legacy of manganese enriched soils, according to Penn State geoscientists. This manganese can be toxic to trees, especially sugar maples, ...

Forest Tree Species Diversity Depends on Individual Variation

(PhysOrg.com) -- It's a paradox that's puzzled scientists for a half-century. Models clearly show that the coexistence of competing species depends on those species responding differently to the availability of resources. ...

Electrical circuit runs entirely off power in trees

You've heard about flower power. What about tree power? It turns out that it's there, in small but measurable quantities. There's enough power in trees for University of Washington researchers to run an electronic circuit, ...

Maple seeds and animals exploit the same trick to fly (w/Video)

The twirling seeds of maple trees spin like miniature helicopters as they fall to the ground. Because the seeds descend slowly as they swirl, they can be carried aloft by the wind and dispersed over great distances. Just ...

Forestry officials on urgent mission: Beetles

(AP) -- Forestry officials in the Northeast are on an urgent mission, tracking thousands of Massachusetts residents as they search for tree-eating stowaway insects they may have carried to campgrounds or vacation homes.

Q&A: How climate change is impacting the maple syrup industry

In the depths of winter, sugar on snow is a yearly treat many Vermonters eagerly anticipate. But with winters warming and snow barely on the ground in some parts of the state, climate change presents a host of challenges ...

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