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3 edition of Effects of variable-density thinning on understory diversity and heterogeneity in young Douglas-fir forests found in the catalog.

Effects of variable-density thinning on understory diversity and heterogeneity in young Douglas-fir forests

Juliann E. Aukema

Effects of variable-density thinning on understory diversity and heterogeneity in young Douglas-fir forests

by Juliann E. Aukema

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Published by U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station in Portland, OR .
Written in English

    Subjects:
  • Douglas fir -- Thinning -- Washington (State) -- Pierce County,
  • Forest management -- Washington (State) -- Pierce County,
  • Forest biodiversity -- Washington (State) -- Pierce County,
  • Understory plants -- Washington (State) -- Pierce County,
  • Plant communities -- Washington (State) -- Pierce County

  • About the Edition

    Nine years after variable-density thinning (VDT) on the Forest Ecosystem Study, we examined low understory vegetation in 60 plots of eight stands (four pairs of VDT and control). We compared native, exotic, ruderal, and nonforest species richness among the stands. We used clustering, ordination, and indicator species analysis to look for distinctive patches of plant associations. Native, exotic, ruderal, and nonforest plant species diversity were higher in VDT stands compared to control stands for both forests. Differentiation of the understory into multiple distinct vegetation patches was not definitive, but there were trends toward greater heterogeneity in VDT stands.

    Edition Notes

    StatementJuliann E. Aukema and Andrew B. Carey.
    SeriesResearch paper PNW -- RP-575, Research paper PNW -- 575.
    ContributionsCarey, Andrew B., Pacific Northwest Research Station (Portland, Or.)
    Classifications
    LC ClassificationsSD397.D7 A84 2008
    The Physical Object
    Pagination20 p. :
    Number of Pages20
    ID Numbers
    Open LibraryOL22555391M
    LC Control Number2008412292


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Effects of variable-density thinning on understory diversity and heterogeneity in young Douglas-fir forests by Juliann E. Aukema Download PDF EPUB FB2