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Air pollution diminishing air quality at Devils Postpile National Monument
Date:4/23/2013

indicate a need for long-term ozone monitoring.

  • Although ozone concentrations at Devils Postpile were generally lower than in other areas of the Sierra Nevada, there was a potential for modest phytotoxic effects on sensitive plants. Therefore, direct observations of potential impacts on plants are recommended.

    "These findings are important for Sierra Nevada air and land managers and indicate that even at remote eastern Sierra locations, ozone air pollution may be a problem for human and ecosystem health," says Dr. Bytnerowicz, the study's lead author. "Due to these potential risks, there is a need for long-term ozone monitoring in the Sierra Nevada in general, but especially in the areas with high local population and many summer recreational visitors."

    There is also a need for evaluation of ozone effects on forest health since this pollutant may weaken trees, making them more sensitive to drought and bark beetle attacks, and consequently resulting in premature death and higher susceptibility to wildland fires, Bytnerowicz notes.


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  • Contact: Sherri Eng
    sleng@fs.fed.us
    510-559-6327
    USDA Forest Service - Pacific Southwest Research Station
    Source:Eurekalert

    Page: 1 2

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