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    • Journal of Range Management, Volume 42 (1989)
    • Journal of Range Management, Volume 42, Number 4 (July 1989)
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    Seed viability of alpine species: variability within and among years

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    Author
    Chambers, J. C.
    Issue Date
    1989-07-01
    Keywords
    Polemonium
    Potentilla
    Rosaceae
    calamagrostis purpurascens
    artemisia scopulorum
    geum rosii
    polemonium viscosum
    sibbaldia procumbens
    potentilla diversifolia
    alpine grasslands
    Festuca idahoensis
    Deschampsia cespitosa
    seed set
    seed longevity
    viability
    temporal variation
    plant communities
    Montana
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    Citation
    Chambers, J. C. (1989). Seed viability of alpine species: variability within and among years. Journal of Range Management, 42(4), 304-308.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645073
    DOI
    10.2307/3899499
    Additional Links
    https://rangelands.org/
    Abstract
    Percent of seeds filled for alpine grasses and seed viability and longevity for alpine grasses and forbs with different life history and physiological traits were evaluated for seeds collected in 1983, 1984, 1985, and 1986 on the Beartooth Plateau, Mont. Significant (p<0.001) differences existed in the percent of seeds filled for grass species and in the seed viability of both grass and forb species among years. The high variability in seed viability among years is attributed to the severe and unpredictable nature of the environment. Seed viability differed among species within most years. In general, grass species had lower and more variable seed viability than forb species. Low seed viability years for the grass species coincided with low seed fill years, indicating poor seed development. Longevity of seeds collected in 1983 varied among species and was related to seed characteristics and the overall life history and physiological traits of individual species. Seed longevity of species with life history and physiological traits typical of late seral species was shorter than that of species with traits typical of early seral species.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899499
    Scopus Count
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    Journal of Range Management, Volume 42, Number 4 (July 1989)

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