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    Author(s): Suzanne M. Neal
    Date: 2007
    Source: Flagstaff, AZ: Northern Arizona University. 73 p. Thesis.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (265 B)

    Description

    Forest management practices designed to reduce fire risk, particularly thinning followed by burning slash piles, can cause below ground disturbance that creates favorable conditions for exotic plant species. Newer fuel-reduction methods, such as mechanical mastication are being examined as potential alternatives to the burning of slash piles. We compared soil properties (both physical and chemical), arbuscular mycorrhizal fungal (AMF) response, and plant community composition in replicated plots of pinyon-juniper (Pinus edulis-Juniperus osteosperma) woodland both six months and two and a half years after treatment by mechanical mastication and slash pile burning relative to untreated controls. We measured AMF responses because of their importance in both promoting the growth of many native plant species and in increasing soil stability. To our knowledge, this is the first study to measure both understory plant and AMF response to mastication or AMF community response to slash pile burning.

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    Citation

    Neal, Suzanne M. 2007. Tree thinning treatments alter soil properties, arbuscular mycorrhizal fungi and understory plant communities. Flagstaff, AZ: Northern Arizona University. 73 p. Thesis.

    Keywords

    tree thinning treatments, soil properties, arbuscular mycorrhizal fungi, pinyon-juniper (Pinus edulis-Juniperus osteosperma)

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