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Fire Ecology
Figure 6 | Fire Ecology

Figure 6

From: Corroborating Evidence of a Pre-Euro-American Low- to Moderate-Severity Fire Regime in Yellow Pine-Mixed Conifer Forests of the Sierra Nevada, California, USA

Figure 6

Existing vegetation (CALVEG circa 2000 to 2009) in which Baker (2014) analyzed GLO survey data. The following plates correspond to Figures 1b, 1c, 4b, and 4c in Baker (2014: 5,19): A) the western edge of Yosemite National Park, and B) the western edge of Sequoia and Kings Canyon National Parks. Vegetation types are labeled with Society of American Forester (SAF) types (Eyre 1980) to allow comparison to Baker (2014). Areas circled in yellow correspond to locations that Baker mapped as open or with scattered trees that he concluded were a result of severe fire. However, the circled areas are currently composed of canyon live oak or hard chaparral (SAF cover types 249 and 262 on Baker’s maps, corresponding to CWHR types montane hardwood and mixed chaparral, respectively; CWHR type montane chaparral, which can be early successional, was excluded on the map), on either steep south or west facing canyon slopes, or are below the elevation where conifers (excluding foothill pine) naturally occur except in very low densities.

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