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    • Journal of Range Management, Volume 42 (1989)
    • Journal of Range Management, Volume 42, Number 2 (March 1989)
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    Pinyon-juniper chaining and seeding for big game in central Utah

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    Author
    Skousen, J. G.
    Davis, J. N.
    Brotherson, J. D.
    Issue Date
    1989-03-01
    Keywords
    botanical composition
    Pinus
    Juniperus
    removal
    Utah
    
    Metadata
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    Citation
    Skousen, J. G., Davis, J. N., & Brotherson, J. D. (1989). Pinyon-juniper chaining and seeding for big game in central Utah. Journal of Range Management, 42(2), 98-104.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645056
    DOI
    10.2307/3899303
    Additional Links
    https://rangelands.org/
    Abstract
    Vegetation and soils were evaluated on 5 different-aged, mechanically treated and seeded pinyon-juniper sites and compared to adjacent untreated areas. Plant cover was significantly changed after treatment: trees were reduced from 26 to 6% total ground cover; shrubs were increased from 2 to 8% ground cover; and herbaceous plants increased from 2 to 13% ground cover. Annuals and perennial forbs were 75% of the total plant cover on the 2-year-old site, perennial grasses and shrubs dominated the plant cover (52 to 83%) on three, 14- to 20-year-old sites, while shrubs and trees combined for 94% of the plant cover on the 24-year-old site. Two Agropyron grass species showed good establishment and persistence after seeding. Seeded forbs contributed about 5% of the total plant cover on the 2-year-old treated site and they declined on older treated sites. Seeding of shrubs was only successful on sites where the shrub species was already present in the understory naturally. Seeding of nonnative shrub seed did not produce stands. Even though tree cover was reduced after treatment, total tree density was not. Shrub density increased from an average of 800 plants/ha on untreated areas to 2,750 plants/ha on treated areas. Juniper mortality during mechanical treatment varied from 60 to 91% and was related to the percentage of trees estimated to be 60+ years old (r = 0.97) and with the number of trees greater than 5 cm in stem diameter (r = 0.71) on the adjacent untreated sites. Big game pellet group counts were not different between untreated and treated sites, suggesting that big game make use of these treated areas because of increased forage and browse and in spite of reduced security cover.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899303
    Scopus Count
    Collections
    Journal of Range Management, Volume 42, Number 2 (March 1989)

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