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Citation:
U.S. Department of Agriculture, Forest Service, Missoula Fire Sciences Laboratory. 2020. Information from LANDFIRE on fire regimes of southwestern pinyon-juniper communities.
In: Fire Effects Information System, [Online].
U.S. Department of Agriculture, Forest Service,
Rocky Mountain Research Station, Missoula Fire Sciences Laboratory (Producer).
Available: www.fs.usda.gov/database/feis/fire_regimes/SW_pinyon_juniper/all.html
[
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A complete Fire Regime Synthesis for southwestern pinyon-juniper communities has not yet been published in the Fire Effects Information System. However, information is available from LANDFIRE succession modeling of southwestern pinyon-juniper
Biophysical Settings (BpS).
Table 1 summarizes LANDFIRE data on tsouthwestern pinyon-juniper BpSs, and figure 1 shows where they occur.
Appendix A
lists the southwestern pinyon-juniper BpSs and the results of LANDFIRE succession modeling for each.
| Table 1—Range of modeled historical mean fire intervals and percentage of historical fires in each of three fire severity classes for southwestern pinyon-juniper Biophysical Settings (BpS), and the number of these BpSs in each fire regime group [2]. See Appendix A for details specific to each BpS. | |||||||||
| Mean Fire Interval (years) | Replacement-severity Fires (%) |
Mixed-severity Fires (%) | Low-severity Fires (%) | Fire Regime Group I |
Fire Regime Group II | Fire Regime Group III | Fire Regime Group IV | Fire Regime Group V | Fire Regime Group NA |
| 11–158 | 20–42 | 23–65 | 4–53 | 1 | 0 | 9 | 0 | 0 | 0 |
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| Figure 1—Land cover distribution of southwestern pinyon-juniper Biophysical Settings (BpS) based on the LANDFIRE (2020) BpS data layer [1]. Numbers indicate LANDFIRE map zones. Click on the map for a larger image. |
1. LANDFIRE. 2020. Biophysical settings layer, CONUS (LANDFIRE 2.2.0). In: LANDFIRE download data mosaic products, [Online]. U.S. Department of the Interior, Geological Survey; U.S. Department of Agriculture (Producer). Available: https://www.landfire.gov/version_download.php [2023, June 20]. [98050]
2. LANDFIRE. 2020. Biophysical settings models and descriptions, [Online]. Washington, DC: U.S. Department of Agriculture, Forest Service; U.S. Department of the Interior; U.S. Geological Survey; Arlington, VA: The Nature Conservancy, (Producers). Available: http://www.landfirereview.org/search.php [2022, February 2]. [96496]