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    Author(s): Victor A. Rudis
    Date: 1985
    Source: Can. J. For. Res., Vol. 15: 996-999
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (764 KB)


    A-device for estimating the degree to which vegetation and other obstructions screen forested areas has been adapted to an extensive sampling design for forest surveys. Procedures are recommended to assure that uniform measurements can be made. Examination of sources of sampling variation (observers, points within sampled locations, series of observations within points, and sectors within series) and sampling intensity suggests a sample design which involves a combination of points and sectors.

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    Rudis, Victor A. 1985. Screenometer: a device for sampling vegetative screening in forested areas. Can. J. For. Res., Vol. 15: 996-999

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