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Arizona life zones
Life zones for the Northern Arizona (Flagstaff) area
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Modern Vegetation Zones |
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Vegetation Zone |
Elevation
(ft.) |
Precipitation |
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Alpine Tundra |
11,500-12,700 |
35" - 40"
yr. |
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Spruce-Fir or Sub alpine
Conifer Forest |
9,500 - 11,500 |
30" - 40"
yr. |
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Mixed Conifer Forest |
8,000 - 9,500 |
25" - 30"
yr. |
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Ponderosa Pine Forest |
6,000 - 8,500 |
18" - 26"
yr. |
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Pinyon-Juniper Woodlands,
Semi-Arid Grasslands,
Semi-Arid Scrub |
3,500 - 6,500 |
10" - 20"
yr. |
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Mojave, Sonoran, or
Chihuahuan Desert |
100 - 3,500 |
3" - 12" |
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Click here for reference
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