Diseased and dying spruce trees near Sarnia Skala, a mountain in the Tatra National Park, on 16th September 2019, near Koscielisko, Zakopane, Malopolska, Poland. The European spruce beetle (Ips typographus) is one of 116 bark beetles species in Poland which is killing thousands of spruces. The insect's population can grow rapidly via wind and snow etc. which eventually leaves a gap in the landscape, thereby changing the forest floor's ecology.
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