Detailed Soil Map Units
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44—Mariel-Stirfry complex, 0 to 3 percent slopes
Map Unit Setting
General location: Mainly in Sphagnum Bog
Major land resource area (MLRA): 3
Elevation: 5,000 to 6,500 feet
Average annual precipitation: 50 to 70 inches
Average annual air temperature: 38 to 42 degrees F
Frost-free period: 10 to 50 days
Map Unit Composition
Mariel and similar soils:
50 percent
Stirfry and similar soils: 40 percent
Minor components: 10 percent
Characteristics of the Mariel and Similar Soils
Setting
Landform: Bog
Geomorphic position: Bogs and seeps in mountain basins and drainageways
Parent material: Organic material
Properties and qualities
Slope: 0 to 3 percent
Percentage of surface covered with stones and boulders: None
Restrictive features: None within a depth of 60 inches
Drainage class: Very poorly drained
Permeability: Moderate
Flooding: Not present
Water table: Present (see
table 20)
Ponding: Present (see
table 20)
Available water capacity: About 9.2 inches
Interpretive groups
Ecological site: Rangeland—(003XY017OR) Sphagnum Fen 40-60 PZ
Typical profile
Oe1—0 to 5 inches; mucky peat
Oe2—5 to 15 inches; mucky peat
Oa—15 to 61 inches; muck
Characteristics of the Stirfry and Similar Soils
Setting
Landform: Drainageway
Geomorphic position: Bogs and seeps in mountain basins and drainageways
Parent material: Mossy organic material over ash and pumice
Properties and qualities
Slope: 0 to 3 percent
Percentage of surface covered with stones and boulders: None
Restrictive features: None within a depth of 60 inches
Depth to mineral soil: 40 to 60 inches
Drainage class: Very poorly drained
Permeability: Moderately rapid
Flooding: Not present
Water table: Present (see
table 20)
Ponding: Not present
Available water capacity: About 8.5 inches
Interpretive groups
Ecological site: Rangeland—(003XY015OR) Meadow Fen 40-60 PZ
Typical profile
Oi—0 to 2 inches; peat
Oe—2 to 8 inches; mucky peat
Oa1—8 to 18 inches; muck
Oa2—18 to 51 inches; muck
2A—51 to 60 inches; gravelly ashy coarse sand
Characteristics of the Minor Components
Stirfry taxadjunct
Percentage of map unit: 10 percent
Landform: Drainageway
Geomorphic position: Mountain basins and drainageways
Major Soil Features and Properties Affecting Management
Mariel soil
• Wetness
• Organic soil material throughout profile
• Frost hazard
Stirfry soil
• Wetness
• Organic soil material over mineral soil material
• Frost hazard
