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    Author(s): Rayma A. Cooley; Peter T. Wolter; Brian R. Sturtevant
    Date: 2016
    Source: Photogrammetric Engineering & Remote Sensing. 82(11): 853-863.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (2.0 MB)

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    Description

    Spatially explicit modeling of recovering forest structure within two years following wildfire disturbance has not been attempted, yet such knowledge is critical for determining successional pathways. We used remote sensing and field data, along with digital climate and terrain data, to model and map early-seral aspen structure and vegetation species richness following wildfire. Richness was the strongest model (RMSE = 2.47 species, Adj. R2 = 0.60), followed by aspen stem diameter, basal area (BA), height, density, and percent cover (Adj. R2 range = 0.22 to 0.53). Effects of pre-fire aspen BA and fire severity on post-fire aspen structure and richness were analyzed. Post-fire recovery attributes were not significantly related to fire severity, while all but percent cover and richness were sensitive to pre-fire aspen BA (Adj. R2 range = 0.12 to 0.33, p <0.001). This remote mapping capability will enable improved prediction of future forest composition and structure, and associated carbon stocks.

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    Citation

    Cooley, Rayma A.; Wolter, Peter T.; Sturtevant, Brian R. 2016. Quantifying early-seral forest composition with remote sensing. Photogrammetric Engineering & Remote Sensing. 82(11): 853-863.

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