Although a warmer climate could accelerate the growth of northern forests, increasing precipitation and higher atmospheric ...

Spruce shrubs and trees are conifers from the genus Picea, which includes 35 species. Spruce trees and shrubs are characterized by a branch structure, called a pulvinus, where the needles attach. This ...

In a visit meant to hear about everyday life rather than a sales pitch, Assistant U.S. Commerce Secretary Alejandra Castillo spent a few hours Wednesday meeting with Southeast Alaska Natives ...

Some trees are prone to developing surface roots that can become quite large. These large roots can interfere with mowing, foot traffic or recreational activities. As trees mature, surface roots may ...

A new study from scientists at Uppsala University shows that it took more than 10 millennia from when the first spruces returned to Sweden after the glacial stage of the last Ice Age until the species ...