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    Author(s): Alexia A. Sabor; Volker C. Radeloff; Ronald E. McRoberts; Murray Clayton; Susan I. Stewart
    Date: 2007
    Source: Canadian Journal of Forest Research. 37(11): 2313-2325.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (160.89 KB)

    Description

    The Forest Inventory and Analysis (FIA) program of the USDA Forest Service alters plot locations before releasing data to the public to ensure landowner confidentiality and sample integrity, but using data with altered plot locations in conjunction with other spatially explicit data layers produces analytical results with unknown amounts of error. We calculated the potential error from using altered location data in combination with other data layers that varied in mean map unit size. The incidence of errors associated with the use of altered plot locations exhibited a strong inverse relationship to the mean map unit size of the other data sets used in the analyses.

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    Citation

    Sabor, Alexia A.; Radeloff, Volker C.; McRoberts, Ronald E.; Clayton, Murray; Stewart, Susan I. 2007. Adding uncertainty to forest inventory plot locations: effects on analyses using geospatial data. Canadian Journal of Forest Research. 37(11): 2313-2325.

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https://www.fs.usda.gov/treesearch/pubs/46149