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Giant Forest fire history. Vegetation, species composition plot data:  Compare pre-settlement composition estimates with current stand composition.

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Presentation on theme: "Giant Forest fire history. Vegetation, species composition plot data:  Compare pre-settlement composition estimates with current stand composition."— Presentation transcript:

1 Giant Forest fire history

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3 Vegetation, species composition plot data:  Compare pre-settlement composition estimates with current stand composition.  Relate pre (and post) settlement composition with fire regime characteristics among and between plots, sites, and transects. High variability in forest composition between plots Estimates of b.a. increase from pre-settlement condition varied from 0 to 100%. Average increase ~50%. Giant sequoia fire record in the Circle Meadow area now extended back prior to ~600BC with some replication.

4 Giant Forest plots

5 Crystal Cave Road, Giant forest Dogwood thicket with white-fir overstory

6 Colony Mill, Giant Forest Tree sampled for fire history in 1992Open pine stand

7 Helispot plot, Yosemite Incense cedar thicket with pine overstory

8 Helispot fire history site Elevation 1350m MFI ~6yrs Plot species composition

9 Raymond mountain and Biledo Meadow, Yosemite Upper elevation sites, Yosemite NP

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