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News Release 12-100

Beetle-infested Pine Trees Contribute to Air Pollution and Haze in Forests

Popular summer tourist destinations may 'see' the effects

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Photo of a lodgepole pine forest.

A lodgepole pine forest facing bark beetle infestation, which has far-reaching effects.

Credit: Gannet Hallar


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Photo of a beetle infestation site on a lodgepole pine.

Beetle infestation site on a lodgepole pine.

Credit: Gannet Hallar


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Photo of a sampling device on a bark beetle-infested lodgepole pine tree.

A sampling device on a bark beetle-infested lodgepole pine tree.

Credit: Gannet Hallar


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Photo of a sampling tube used in a dynamic sorbent sampler.

A tube from a device used to sample organic compounds released by pine trees.

Credit: Kara Huff Hartz


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Photo of a gas chromatography/mass spectroscopy instrument.

Gas chromatography/mass spectroscopy was used to analyze the samples collected.

Credit: Kara Huff Hartz


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