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    • Journal of Range Management, Volume 54 (2001)
    • Journal of Range Management, Volume 54, Number 6 (November 2001)
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    Climatic influences on recruitment of 3 subspecies of Artemisia tridentata

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    Author
    Maier, A. M.
    Perryman, B. L.
    Olson, R. A.
    Hild, A. L.
    Issue Date
    2001-11-01
    Keywords
    Artemisia tridentata spp. wyomingensis
    taxa
    growth rings
    artemisia tridentata subsp. vaseyana
    artemisia tridentata subsp. tridentata
    mined soils
    age determination
    ambient temperature
    reclamation
    precipitation
    Wyoming
    Artemisia tridentata
    establishment
    soil water
    climate
    big sagebrush
    seedling establishment
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    Citation
    Maier, A. M., Perryman, B. L., Olson, R. A., & Hild, A. L. (2001). Climatic influences on recruitment of 3 subspecies of Artemisia tridentata. Journal of Range Management, 54(6), 699-703.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643613
    DOI
    10.2307/4003674
    10.2458/azu_jrm_v54i6_maier
    Additional Links
    https://rangelands.org/
    Abstract
    Previous research suggested that big sagebrush (Artemisia tridentata Nutt.) recruitment occurs in pulses consistent with favorable climatic conditions. In 1997, 75 stem sections were collected from 9 stands of each of the 3 subspecies of big sagebrush in Wyoming along elevation and climatic gradients. Annual growth rings were used to identify the year plants were established. Large cohorts of Wyoming big sagebrush (A. tridentata ssp. wyomingensis Beetle and Young) appeared in 1982, 1981, 1964, 1961, and 1955. Basin big sagebrush (A. tridentata ssp. tridentata Beetle and Johnson) cohorts flourished in 1991, 1986, 1985, 1982, and 1977. Mountain big sagebrush (A. tridentata ssp. vaseyana [Rydb.] Beetle) cohorts prospered in 1985, 1982, 1981, 1979, and 1974. Mean monthly precipitation and temperature records were compared to years with high and low recruitment using logistic regression models at 3 geographic scales (single-stand, regional, statewide). Wyoming big sagebrush recruitment was greatest in years with above-average December and January precipitation occurring after the first growing season (r2 = 0.10, 0.04, P < 0.05). Basin big sagebrush recruitment was most successful in years with above-average March, May, and June precipitation during the first growing season (r2 = 0.06, 0.09, 0.18, P < 0.05). Mountain big sagebrush recruitment was greatest in years with below-average February, April, and May precipitation after the first growing season (r2 = 0.03, 0.04, 0.04, P < 0.05). While variable precipitation patterns appear to contribute significantly to recruitment of big sagebrush, responses among the 3 major subspecies were quite variable. More complex models need to be developed to foster our understanding of the mechanisms affecting big sagebrush establishment.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003674
    Scopus Count
    Collections
    Journal of Range Management, Volume 54, Number 6 (November 2001)

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