Sometimes aspens are mistaken for birch because of the light color of their bark. ... The aspen tree is found in Canada, northwestern Alaska, and southeast through Yukon and British Columbia.

Question: I recently commented to someone about a beautiful stand of birch trees since they had white trunks, but they told me they were aspen.How do I tell the difference? Answer: Young aspen can ...

Aspen and birch will be killed in an 83-acre "treatment stand" using a technique called girdling. Instead of felling the trees with chainsaws, workers use the saws to inscribe two shallow ...

In mixed stands of aspen and birch subjected to elevated carbon dioxide levels, birch trees increased recent nitrogen acquisition by 68 percent, compared to a 19 percent increase among the aspens.

Birch and aspen glow orange in September in the Chena River State Recreation Area east of Fairbanks. (Photo by Ned Rozell) We are at fall equinox, a day of great equality: All the residents of the ...

As part of our Scotland’s Wonderful Wildlife series, Alan Watson Featherstone reveals the many threats faced by Scotland native aspen trees – a species that created the world oldest and ...

Some trees tend to have more shallow roots than others. Unfortunately, aspens are a member of this group along with cottonwood, willow, birch, maple and poplar.