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Great Northern Forest

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It’s Not Easy Being Green
Photograph by Peter Essick

Flourishing in old, undisturbed forests, lichens like these Lobaria in northern Sweden are destroyed by clear-cut logging, and they can be damaged by air pollution from distant sources, especially the industrial sulfur dioxide emissions that are a major component of acid rain. Though the genus is not endangered in Sweden, pollution and logging have eliminated Lobaria from large parts of its range in North America and Europe.

Photo Fast Facts

Camera: Canon EOS 1N
Film Type: Fuji Velvia
Lens: 70-200mm
Speed and F-Stop: 1 @ f/11
Weather Conditions: Overcast
Time of Day: Morning
Lighting Techniques: N/A

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