Lately, visitors to the Koli National Park have been met with a sight of dead trees in the nature reserve. Global warming is contributing to increasing forest damage in Finland and elsewhere in the ...
In Finland, forest stands damaged by the European spruce bark beetle (Ips typographus) tend to concentrate in groups and form clusters, especially in mature Norway spruce forests close to previous ...
Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows. Bark beetle-infested spruce trees begin to dry out already before ...
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