Version 3

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river birch (Betula nigra) Model Reliability: Low Model Reliability Low
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Current Distribution Maps for river birch

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>Current Forest Inventory and Analysis for river birch
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Current Forest Inventory and Analysis

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Climate Change Scenario Maps Model Reliability Low

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Hadley - High Scenario for river birch
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HadleyCM3 – A1FI (High, "Harsh") Climate Scenario

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Ranked Maps of the Predictors Used in the Model

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Ultisol (%)
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Ultisol (%)

Potential Changes in Abundance and Range (Future)
GCM SCENARIO % Area Occ Ave IV Sum IV Future/Current IV
Actual FIA 4.7 2.4 1,111 NA
Modelled Current 6.7 1.2 788 NA
GCM3Avg-Lo 14.7 1.2 1,729 2.19
GCM3Avg-Hi 28.7 1.1 3,159 4.01
PCM-Lo 13.1 1.2 1,541 1.96
PCM-Hi 22.1 1.1 2,445 3.1
GFDL-Lo 20.6 1.2 2,324 2.95
GFDL-Hi 35.5 1.1 3,953 5.02
Hadley-Lo 15 1.2 1,744 2.21
Hadley-Hi 28.6 1.1 3,078 3.91

    Cautions & Model Info


Notice:

This is version 3 of the Climate Change Tree Atlas. You can view version 4 of the Tree Atlas, or the most current river birch page.



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https://www.fs.usda.gov/nrs/atlas/tree/v3/373