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    Author(s): D.L. Luoma; C.A. Stockdale; R. Molina; J.L. Eberhart
    Date: 2006
    Source: Canadian Journal of Research Forestry. 36: 2561-2573
    Publication Series: Scientific Journal (JRNL)
    PDF: View PDF  (2.28 MB)

    Description

    This study examines the effect of retained green trees on diversity of mycorrhizal fungi after stand harvest. A significant reduction of mycorrhizal root type richness resulted from the harvest treatment. Samples taken under tree crowns showed no significant decline in the mean number of mycorrhiza types per soil core. In areas well removed from retention trees, there was a 50-percent decline in the number mycorrhizal types per soil core. Soil cores taken just outside the dripline and in open areas exhibited a shift in mycorrhizal community structure. Retention trees can act as important refugia for mycorrhizal fungi and thus affect seedling establishment and function in developing forests after harvest.

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    Citation

    Luoma, D.L.; Stockdale, C.A.; Molina, R.; Eberhart, J.L. 2006. The spatial influence of Pseudotsuga menziesii retention trees on ectomycorrhiza diversity. Canadian Journal of Research Forestry. 36: 2561-2573

    Keywords

    Root density, soil microbial ecology, ecosystem function

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