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    • Rangeland Ecology & Management, Volume 60 (2007)
    • Rangeland Ecology & Management, Volume 60, Number 6 (November 2007)
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    Initial Effects of Brush Cutting and Shoot Removal on Willow Browse Quality

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    Author
    Rea, Roy V.
    Gillingham, Michael P.
    Issue Date
    2007-11-01
    Keywords
    forage
    moose
    plant response
    Salix scouleriana
    silviculture
    ungulates
    vegetation management
    
    Metadata
    Show full item record
    Citation
    Rea, R. V., & Gillingham, M. P. (2007). Initial effects of brush cutting and shoot removal on willow browse quality. Rangeland Ecology & Management, 60(6), 566-573.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/643195
    DOI
    10.2111/05-218R3.1
    Additional Links
    https://rangelands.org/
    Abstract
    We examined the initial effects of brush cutting (removal of all aboveground biomass), as well as clipping (removal of current annual shoots) and ungulate browsing (collectively referred to as shoot removal) on the morphology and nutrient quality of Scouler’s willow (Salix scouleriana J. Barratt ex Hook.) for ungulates on sites 2 and 4 years after brush cutting. We specifically assessed changes in the biomass, tannin content, digestible energy, and digestible protein of shoots from brush-cut willows relative to shoots of uncut willows to determine how browse plants respond to this form of vegetation management. In winter, the resprouted current annual shoots of willows that had been brush cut were larger in mass and lower in digestible protein than shoots of uncut willows for at least 4 years after brush cutting. Shoots of brush-cut willows were also lower in tannin and digestible energy than the shoots of uncut plants for two winters after brush cutting. In the second winter after brush cutting, shoot biomass decreased and tannin content increased with increasing shoot removal during the previous winter. In the fourth winter after brush cutting, shoot mass increased and digestible energy decreased in shoots with greater shoot removal. Nutrient quality was otherwise unaffected by the amount of shoot removal during the previous winter. Because of the occasional importance of site effects in this study, we recommend that long-term studies maximize the number of sampled sites. Because brush cutting alters the quality of regenerating browse and can affect how ungulates utilize such browse for several years after brush cutting, we further recommend that forest vegetation managers consider potential impacts of brush cutting on ungulate winter range. 
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/05-218R3.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 60, Number 6 (November 2007)

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