Major Land Resource Area 088X
Northern Minnesota Glacial Lake Basins
Accessed: 11/21/2024
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i
Key Characteristics
- Organic Material
- Site floods or ponds
- Organic soil which occurs on floodplains, and floods occasionally to very frequently
-
i
Key Characteristics
- Organic Material
- Site floods or ponds
- Organic soil that is frequently ponded 12 months out of the year
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i
Key Characteristics
- Organic Material
- Site floods or ponds
- Organic soil that does not flood or pond
- Organic soils with more than 40 centimeters organic matter (Terric and Typic Histosols)
- Dominant pH of 4.5 or more within a depth of 130 centimeters
- Open fen/bog concept with ponding =4 months during growing season
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i
Key Characteristics
- Organic Material
- Site floods or ponds
- Organic soil that does not flood or pond
- Organic soils with more than 40 centimeters organic matter (Terric and Typic Histosols)
- Dominant pH less than 4.5 within a depth of 130 centimeters
-
i
Key Characteristics
- Organic Material
- Site floods or ponds
- Organic soil that does not flood or pond
- Organic soils with more than 40 centimeters organic matter (Terric and Typic Histosols)
- Dominant pH of 4.5 or more within a depth of 130 centimeters
- Wooded canopy concept with ponding duration <4 months during growing season
-
i
Key Characteristics
- Mineral Materials
- Landscape position - footslopes, floodplains, and terraces
- Floodplains and alluvial flats; flooding occurs frequent to very frequent for long to very long duration
-
i
Key Characteristics
- Organic Material
- Site floods or ponds
- Organic soil that does not flood or pond
- Organic soil with 0 to 40 centimeters of organic matter underlain by mineral sediments that can have frequent ponding for up to 9 months. Includes soils with 20 to 40 centimeters organic material (Histic Humaquepts) and sites with less than 20 cm of organic material. Can also include sites with mucky modified mineral surface texture that occur in depressions that dry out in summer
-
i
Key Characteristics
- Mineral Materials
- Landscape position - footslopes, floodplains, and terraces
- Footslope and toeslope positions; flats and swales with gradients of 0-2 percent
-
i
Key Characteristics
- Mineral Materials
- Landscape position - footslopes, floodplains, and terraces
- Stream terraces subject to occasional to rare flooding
-
i
Key Characteristics
- Mineral Materials
- Landscape position - summit, shoulder, and backslope positions and slight rises on flats
- Soils with bedrock restrictions less than 100 cm
-
i
Key Characteristics
- Mineral Materials
- Landscape position - summit, shoulder, and backslope positions and slight rises on flats
- Soils without bedrock restrictions within a depth of 100 cm
- Dominantly coarser soil textures (coarse sand, sand, fine sand, loamy fine sand, loamy very fine sand)
- Depth to seasonal high water table 25-50 cm
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i
Key Characteristics
- Mineral Materials
- Landscape position - summit, shoulder, and backslope positions and slight rises on flats
- Soils without bedrock restrictions within a depth of 100 cm
- Dominantly coarser soil textures (coarse sand, sand, fine sand, loamy fine sand, loamy very fine sand)
- Depth to seasonal high water table greater than 100 cm
-
i
Key Characteristics
- Mineral Materials
- Landscape position - summit, shoulder, and backslope positions and slight rises on flats
- Soils without bedrock restrictions within a depth of 100 cm
- Dominantly coarser soil textures (coarse sand, sand, fine sand, loamy fine sand, loamy very fine sand)
- Depth to seasonal high water table 50-100 cm
-
i
Key Characteristics
- Mineral Materials
- Landscape position - summit, shoulder, and backslope positions and slight rises on flats
- Soils without bedrock restrictions within a depth of 100 cm
- Dominantly fine soil textures (clay, silty clay, silty clay loam, loam, or very fine sandy loam) within a depth of 50 cm
-
i
Key Characteristics
- Mineral Materials
- Landscape position - summit, shoulder, and backslope positions and slight rises on flats
- Soils without bedrock restrictions within a depth of 100 cm
- Dominantly medium soil textures (loamy, fine sandy loam, silty loam) within a depth of 50 centimeters; sandy loam, loamy sand or loamy fine sand capped (arenic) soils; very fine sandy loam and loamy very fine sand in wind blown (eolian) dune soils
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Ecological site keys
MLRA 88 Ecological Site Key
I.
Organic Material
a.
Site floods or ponds
i.
Organic soil which occurs on floodplains, and floods occasionally to very frequently
... F088XY001MN – Floodplain Peatland
iii.
Organic soil that does not flood or pond
B.
Organic soils with more than 40 centimeters organic matter (Terric and Typic Histosols)
2
Dominant pH of 4.5 or more within a depth of 130 centimeters
a.
Open fen/bog concept with ponding =4 months during growing season
... F088XY003MN – Open Peatland
b.
Wooded canopy concept with ponding duration <4 months during growing season
... F088XY005MN – Forestland Peatland
A.
Organic soil with 0 to 40 centimeters of organic matter underlain by mineral sediments that can have frequent ponding for up to 9 months. Includes soils with 20 to 40 centimeters organic material (Histic Humaquepts) and sites with less than 20 cm of organic material. Can also include sites with mucky modified mineral surface texture that occur in depressions that dry out in summer
... F088XY007MN – Wet Depressional Forest
I.
Mineral Materials
a.
Landscape position - footslopes, floodplains, and terraces
i.
Footslope and toeslope positions; flats and swales with gradients of 0-2 percent
... F088XY008MN – Wet Mixed Forest
ii.
Floodplains and alluvial flats; flooding occurs frequent to very frequent for long to very long duration
... F088XY006MN – Floodplain Forest Wet
iii.
Stream terraces subject to occasional to rare flooding
... F088XY009MN – Floodplain Terrace Forest
b.
Landscape position - summit, shoulder, and backslope positions and slight rises on flats
i.
Soils with bedrock restrictions less than 100 cm
... F088XY010MN – Bedrock Controlled Upland Forest
ii.
Soils without bedrock restrictions within a depth of 100 cm
1
Dominantly fine soil textures (clay, silty clay, silty clay loam, loam, or very fine sandy loam) within a depth of 50 cm
... F088XY014MN – Clayey Upland Wet-Mesic Hardwood Forest
2
Dominantly medium soil textures (loamy, fine sandy loam, silty loam) within a depth of 50 centimeters; sandy loam, loamy sand or loamy fine sand capped (arenic) soils; very fine sandy loam and loamy very fine sand in wind blown (eolian) dune soils
... F088XY015MN – Loamy Upland Wet-Mesic Mixed Forest
3
Dominantly coarser soil textures (coarse sand, sand, fine sand, loamy fine sand, loamy very fine sand)
a.
Depth to seasonal high water table greater than 100 cm
... F088XY012MN – Very Dry Sandy Upland Coniferous Forest
b.
Depth to seasonal high water table 50-100 cm
... F088XY013MN – Dry Sandy Upland Coniferous Forest
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