There are 130 birch trees in the one-third acre study plot, part of the OneTree Alaska project that Dawe oversees. Researchers are using the trees to see how a longer growing season is affecting ...

Well into their senescence period, birch trees' leaves have turned yellow near the Alaska Public Media studios in Anchorage as of Oct. 1, 2021. (Casey Grove/Alaska Public Media) It's green-and ...

You sure can, but if the tree is over 3 feet or so, it’s better to cut a circle around the tree’s dripline, about 8-12 inches deep. Use a spade. The tree will produce new roots and these will ...

On a recent afternoon, middle Alaska slipped into darkness. A few hours after the 3:17 p.m. sunset, a golden light appeared in a field cleared of trees by a farmer ...

00000192-9ca2-dda9-a1f3-defb40090000While running through Bicentennial Park in Anchorage, biologist Jessy Coltrane spotted a porcupine in a birch tree. On her runs on days following, she saw it ...

In contrast, the highly reflective, light-colored bark of a paper birch doesn't absorb the sun's radiation and heat on cold winter days, and so avoids the damage caused by rapid heating and cooling.

Paddling Birch Creek, one of Alaska’s 25 wild and scenic ... We paddled from scrubby spruce into a world of birch trees, ... In winter, Birch Creek ices over and it becomes a frozen route ...

The Tapping Season. The birch tapping season in Alaska begins in early April and lasts for approximately three weeks. During this period, sap is collected from 11,000 to 15,000 trees.

While running through Bicentennial Park in Anchorage, biologist Jessy Coltrane spotted a porcupine in a birch tree. On her runs on days following, she saw it again and again, in good weather and bad.