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    • Rangeland Ecology & Management, Volume 58 (2005)
    • Rangeland Ecology & Management, Volume 58, Number 5 (September 2005)
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    Long-Term Successional Trends Following Western Juniper Cutting

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    Author
    Bates, Jon D.
    Miller, Richard F.
    Svejcar, Tony
    Issue Date
    2005-09-01
    Keywords
    Bromus tectorum
    cheatgrass
    Juniperus occidentalis
    shrub steppe
    plant cover
    thresholds
    sagebrush
    standing crop
    
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    Citation
    Bates, J. D., Miller, R. F., & Svejcar, T. (2005). Long-term successional trends following western juniper cutting. Rangeland Ecology & Management, 58(5), 533-541.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/643374
    DOI
    10.2111/1551-5028(2005)58[533:LSTFWJ]2.0.CO;2
    Additional Links
    https://rangelands.org/
    Abstract
    Western juniper (Juniperus occidentalis spp. occidentalis Hook.) expansion into sagebrush steppe plant communities in the northern Great Basin has diminished shrub-steppe productivity and diversity. Chainsaw cutting of western juniper woodlands is a commonly applied practice for removing tree interference and restoring understory composition. Studies reporting understory response following juniper cutting have been limited to early successional stages. This study assessed successional dynamics spanning 13 years following tree cutting. Total herbaceous standing crop and cover increased significantly in the CUT. Total standing crop was 10 times greater in the CUT vs. WOODLAND. Herbaceous standing crop and cover, and densities of perennial grasses in the CUT did not change between 1996 and 2004 indicating that by the 5th year after cutting, remaining open areas had been occupied. In the early successional stages, perennial bunchgrasses and Sandberg’s bluegrass were dominant. By the 5th year after treatment, cheatgrass had supplanted Sandberg’s bluegrass and was codominant with perennial bunchgrasses. In 2003 and 2004, perennial bunchgrasses dominated herbaceous productivity in the CUT, representing nearly 90% of total herbaceous standing crop. A pretreatment density of 2-3 perennial bunchgrasses m-2 appeared to be sufficient to permit natural recovery after juniper control. Perennial bunchgrass density peaked in the 6th year after treatment and the results suggested that 10-12 plants m-2 were sufficient to fully occupy the site and dominate herbaceous composition in subsequent years. In the CUT, juniper rapidly reestablished from seed and from the presence of seedlings not controlled in the initial treatment. The shifts in herbaceous composition across years suggests that long term monitoring is important for evaluating plant community response to juniper control and to develop appropriate post treatment management to promote continued site improvement.  
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/1551-5028(2005)58[533:LSTFWJ]2.0.CO;2
    Scopus Count
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    Rangeland Ecology & Management, Volume 58, Number 5 (September 2005)

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