ELT 125c
Description:
North slope from Sykes Knob to Mt. Bigelow
Area:
159 ha
Area in acres:
395 acres Soil Summary:
detailed soil survey information is not available for this unit; correlates with GES unit 476 characterized by extremely cobbly sandy loams shallow to deep to granite or granite-like bedrock, acid soils lacking lime throughout, minimal soil development, and associated rock outcroppings
Geologic Materials:
slope alluvium, colluvium and residuum associated with Middle Proterozoic Apache Group and Troy Quartzite (Ya) and unnamed granite (Twl). They comprise 88% and 11% of the unit, respectively
Landforms:
moderately to finely dissected mountain slopes with shallow to moderate drainage incision
Landform position classes and corresponding vegetation*
| Landform Class |
Area |
Percentage of ELT | Vegetation and notes | |
|---|---|---|---|---|
| hot aspect scarps, cliffs, canyons | 5 ha | 4 |
Silverleaf Oak/Ponderosa Pine/Ceanothus |
|
| cool aspect scarps, cliffs, canyons | 40 ha | 26 |
Doug fir/SW pine/Gambel oak/locust/aspen |
|
| very moist steep slopes | 40 ha | 25 |
Doug fir/white fir/Gambel oak/locust/aspen - note lack of pines |
|
| moderately moist steep slopes | 72 ha | 45 |
Doug fir/SW pine/Gambel oak/locust/aspen |
Region 3 Mid-Scale Vegetation Cover Classes
| Cover Class |
Area |
Percentage of ELT | |
|---|---|---|---|
| Tree cc 10 - 29.9% | 1 ha | 1 | |
| Sparsely vegetated, <10% vegetative cover (includes areas of high severity burns, 2002-03) | 7 ha | 5 | |
| Tree cc 30+% | 151 ha | 95 |