The researchers wanted to compare stem diameter variation between ... sharp drops in diameter as they began to dry out. The European spruce bark beetle (Ips typographus) is a bark beetle that ...
The researchers wanted to compare stem diameter variation between ... sharp drops in diameter as they began to dry out. The European spruce bark beetle (Ips typographus) is a bark beetle that ...
Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows.