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    Author(s): Paul L. Patterson; Susan Will-Wolf; Marie T. Trest
    Date: 2009
    Source: In: Westfall, James A., ed. FIA national assessment of data quality for forest health indicators. Gen. Tech. Rep. NRS-53. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Service. p. 40-47.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (407.16 KB)

    Description

    Lichens are very responsive to environmental stressors in forests, including changes in forest structure, air quality, and climate. Each lichen species on a plot is an indicator of how lichen communities respond to ecological conditions. Individual lichen species occur erratically and even common species are often absent from plots with suitable habitat. The combined response of all species is a better indicator of ecological conditions than responses of any one or a few lichen species.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Patterson, Paul L.; Will-Wolf, Susan; Trest, Marie T. 2009. Lichen indicator [Section 4]. In: Westfall, James A., ed. FIA national assessment of data quality for forest health indicators. Gen. Tech. Rep. NRS-53. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Service. p. 40-47.

    Keywords

    lichen, measurement error, classification error, quality assurance, forest inventory

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