The Historical Fire Frequency and Severity products listed below represent fire regimes prior to European colonization, which are the outputs of locally developed state-and-transition models. Using those historical products as the reference condition, LANDFIRE developed Vegetation Departure products that estimate current vegetation conditions.
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For the release of LF 2016 Remap, Historic Fire Regime products were nested within the Biophysical Settings (BPS) product as attributes. Then, in calendar year 2024, Fire Regime products became stand-alone products once again.
Historic Fire regime products are used:
- for landscape assessments
- in comparisons of historical to current conditions
- to identify landscape management priorities