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    Author(s): William R. Wykoff
    Date: 1986
    Source: Gen. Tech. Rep. INT-208. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 36 p.
    Publication Series: General Technical Report (GTR)
    Station: Intermountain Forest Experiment Station
    PDF: View PDF  (1.0 MB)

    Description

    Differences between Prognosis Model versions 4.0 and 5.0 are described. Additions to version 5.0 include an event monitor that schedules activities contingent on stand characteristics, a regeneration establishment model that predicts the structure of the regeneration stand following treatment, and a COVER model that predicts shrub development and total canopy cover. Program performance has been enhanced by modifications to several of the submodels that predict tree increments.

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    Citation

    Wykoff, William R. 1986. Supplement to The User's Guide for The Stand Prognosis Model-version 5.0. General Technical Report INT-208. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 36 p.

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    Keywords

    growth and yield, forest management, planning, growth projection, stand models, tree increments, tree mortality

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