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    Author(s): Lee E. Hughes
    Date: 2008
    Source: In: Gottfried, Gerald J.; Shaw, John D.; Ford, Paulette L., compilers. 2008. Ecology, management, and restoration of pinon-juniper and ponderosa pine ecosystems: combined proceedings of the 2005 St. George, Utah and 2006 Albuquerque, New Mexico workshops. Proceedings RMRS-P-51. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 187-191.
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (342.26 KB)

    Description

    Restoration of the Mt. Logan ponderosa pine ecosystem has been on-going since 1995. This effort included tree thinning to a density based on what the tree density was in 1870. The desired plant community objectives from the Mt. Trumbull Resource Conservation Area Plan had a forest objective as 50% trees to be in old-growth - i.e., a diameter class of 20-31.9+ inch diameter at breast height (dbh). The other 50% of the trees were to be spread amongst the diameter classes ranging from openings to 19.9 inch dbh trees. The two Lava Units, on Mt. Logan, were logged, thinned, burned in 1996; one was seeded (13 acres), and the other was not seeded (33 acres). Using plot data, the seeded and unseeded units were compared. The seeding of native grass cultivars and imports increased species diversity of grasses, but seemed to suppress the native grasses (squirreltail, muttongrass, and blue grama) already present in the ecosystem. The other reason for seeding was to prevent annual bromes from becoming a major presence. The data on annual bromes in the Lava seeded unit and unseeded units show annual bromes equally evident in both, to the present.

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    Citation

    Hughes, Lee E. 2008. Restoration of the ponderosa pine ecosystem and its understory. In: Gottfried, Gerald J.; Shaw, John D.; Ford, Paulette L., compilers. 2008. Ecology, management, and restoration of pinon-juniper and ponderosa pine ecosystems: combined proceedings of the 2005 St. George, Utah and 2006 Albuquerque, New Mexico workshops. Proceedings RMRS-P-51. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 187-191.

    Keywords

    Pinon-juniper and juniper woodlands, ponderosa pine forests, ecology, management, restoration, southwestern United States

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https://www.fs.usda.gov/treesearch/pubs/31271