Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, according to a recent study from the University of Eastern Finland published in Trees ...

In just one year (2019), 118 million cubic meters of spruce were killed by the spruce bark beetle. This is 10-times more than Norway's annual logging. The attack was triggered by the extreme ...

Led by Dr. Samuli Junttila, associate professor of forest health and Earth observation, a team of researchers conducted dendrometer measurements of 26 bark beetle-infested and 31 healthy spruce ...