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    Author(s): Darcy H. Hammond; Eva K. Strand; Andrew T. Hudak; Beth A. Newingham
    Date: 2019
    Source: Fire Ecology. 15: 32.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (2.0 MB)

    Description

    Fire has historically been a primary control on succession and vegetation dynamics in boreal systems, although modern changing climate is potentially increasing fire size and frequency. Large, often remote fires necessitate large-scale estimates of fire effects and consequences, often using Landsat satellite-derived dNBR (differenced Normalized Burn Ratio) to estimate burn severity. However, few studies have examined long-term field measures of ecosystem condition in relation to dNBR severity classes in boreal Alaska, USA. The goals of this study were: 1) assess changes in dominant vegetation at plots resampled one and 12 years post fire; 2) use dNBR classes to characterize vegetation and downed woody fuels 12 years post fire; and 3) characterize the relationship between biophysical, topographic, and remotely sensed characteristics (e.g., moss and duff depth, canopy cover, elevation, aspect, dNBR) and understory species assemblages 12 years post fire.

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    Citation

    Hammond, Darcy H.; Strand, Eva K.; Hudak, Andrew T.; Newingham, Beth A. 2019. Boreal forest vegetation and fuel conditions 12 years after the 2004 Taylor Complex fires in Alaska, USA. Fire Ecology. 15: 32.

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    Keywords

    black spruce, burn severity effects, dNBR, downed woody fuels, hardwood regeneration, plant community, post-fire recovery, spruce regeneration, successional trajectory, understory species composition

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