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    • Journal of Range Management, Volume 40 (1987)
    • Journal of Range Management, Volume 40, Number 4 (July 1987)
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    Radiometric Reflectance Measurements of Northern Great Plains Rangeland and Crested Wheatgrass Pastures

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    Author
    Aase, J. K.
    Frank, A. B.
    Lorenz, R. J.
    Issue Date
    1987-07-01
    Keywords
    reflectance
    radiometry
    remote sensing
    Agropyron desertorum
    leaf area index
    pastures
    vegetation
    rangelands
    canopy
    dry matter
    North Dakota
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    Citation
    Aase, J. K., Frank, A. B., & Lorenz, R. J. (1987). Radiometric reflectance measurements of northern Great Plains rangeland and crested wheatgrass pastures. Journal of Range Management, 40(4), 299-302.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645220
    DOI
    10.2307/3898723
    Additional Links
    https://rangelands.org/
    Abstract
    Calculated reflectance factors and vegetation indices derived from radiometric reflectance measurements were used in regression analyses to test for a single relationship between canopy reflectance characteristics and measured vegetation parameters from 1 moderately grazed and 1 heavily grazed native rangeland pastures and 1 crested wheatgrass [Agropyron desertorum (Fisch. ex Link) J.A. Schultes] pasture. The study was located on a Williams loam (fine-loamy mixed, Typic Argiboroll) near Mandan, North Dakota. Reflectance measurements were made near solar noon once a week during the 1983 and 1984 growing seasons. There was a statistically significant relationship (r=0.76**) between leaf area index and dry green matter among pastures and years. However, each pasture exhibited a unique relationship (statistically significant) between vegetation indices developed from the reflectance measurements and leaf area index or dry green matter. Based on the techniques and wavebands used in this study, over a given geographic region and with pasture management practices known, it may be possible to remotely estimate green dry matter.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3898723
    Scopus Count
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    Journal of Range Management, Volume 40, Number 4 (July 1987)

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