At the Acadia Research Forest north of Fredericton, researchers from UNB are in the early stages of a project to assess how ...

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In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the White Spruce. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

A new study, published in the Proceedings of the National Academy of Sciences (PNAS), finds that black spruce trees — a key species on the boreal landscape for millennia — are losing their resilience ...

The term “conifer,” which describes most of the evergreen trees that are so familiar in the Iowa landscape, includes several species that can be distinguished by a variety of their characteristics, ...

Drier summers and a decline in average snowpack over the past 40 years have severely hampered the establishment of two foundational tree species in subalpine regions of Colorado’s Front Range, ...

Remember acid rain? In the 1970s and ‘80s, scientists found that rain 100 times more acidic than normal was harming the mountain forests of New England and New York. The pollution was linked to fossil ...

Years after New Englanders saw that acid rain caused by coal plants was killing red spruce trees, the trees are better. Researchers say the red spruce shows the positive impact of air pollution laws.

You may have heard that pruning spruce trees in the landscape is an important way of maintaining their health, size, shape, and vigor. But this is more applicable to deciduous trees than evergreens.

KALAMAZOO, Mich. — Colorado blue spruce trees have long been one of the more popular conifers for landscaping across the upper Midwest. Now, diseases are killing blue spruce trees across West Michigan ...