IDENTIFIERS

  • Current Taxon Name (Soil Name): Portia
  • OSD
  • Series Extent
  • User Site ID: 1999MO203056M
  • User Pedon ID: 1999MO203056M
  • Vegetation Plot ID: 1999MO203056M
  • User Site Association ID: 8615
  • Transect:
  • User Transect ID - shannon-73C2
  • Transect Stop Number - 4
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961356
  • NCSS Pedon Lab Data NASIS Record ID - 31516
  • Print Date: 2/17/2025

    • LOCATION

  • Map Unit: 99001—Water
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B4—Alley Spring, Missouri

    • PEDON

  • Describers Name: BM, GB, JK, DMM, LT, MC
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, mesic Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Portia
  • PSC - 13 to 63 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Portia
  • Taxonomic Class - Fine-loamy, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 13 to 63 cm.
  • Classificaton Date - 3/16/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over slope alluvium derived from cherty limestone over residuum weathered from dolomite
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/16/1999 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CORNU

    QUAL

    QUCO2

    QUVE

    Cornus

    Quercus alba

    Quercus coccinea

    Quercus velutina

    dogwood

    white oak

    scarlet oak

    black oak

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    strongly contrasting particle size class

    0—13

    13—175

    76—76

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    —-

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    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    5

    —

    —

    259

    —

    150

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    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) loam; moderate fine granular structure; very friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 fine and medium interstitial and tubular pores; 3 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU063987
    Bt1—13 to 23 centimeters (5.1 to 9.1 inches); yellowish brown (10YR 5/4) loam; weak fine subangular blocky structure; friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 fine and medium tubular pores; 15 percent faint yellowish brown (10YR 5/6), moist, clay films on faces of peds; fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU063988
    Bt2—23 to 38 centimeters (9.1 to 15.0 inches); dark yellowish brown (10YR 4/4) loam; weak medium subangular blocky structure; friable; 7.0 fine and medium roots and 3.0 coarse roots; 3.0 medium tubular and 7.0 fine tubular pores; 15 percent faint strong brown (7.5YR 5/6), moist, clay films on faces of peds; 3 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; gradual smooth boundary. Lab sample # MU063989
    Bt3—38 to 58 centimeters (15.0 to 22.8 inches); strong brown (7.5YR 4/6) loam; moderate medium subangular blocky structure; friable; 7.0 fine and medium roots; 3.0 medium tubular and 7.0 fine tubular pores; 35 percent faint brown (7.5YR 5/4), moist, clay films on faces of peds; 3 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU063990
    Bt4—58 to 76 centimeters (22.8 to 29.9 inches); strong brown (7.5YR 5/6) extremely gravelly loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 fine and medium tubular pores; 35 percent faint strong brown (7.5YR 5/6), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 65 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU063991
    2Bt5—76 to 107 centimeters (29.9 to 42.1 inches); 50 percent red (2.5YR 4/6) and 50 percent light yellowish brown (10YR 6/4) clay; weak fine angular blocky structure; firm; 0.9 fine roots; 3.0 fine tubular pores; 75 percent faint red (2.5YR 4/6), moist, clay films on faces of peds and 75 percent distinct red (2.5YR 4/6), moist, pressure faces throughout; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU063992. continuous - phpvsfiid 1802954; continuous - phpvsfiid 1802954
    2Bt6—104 to 135 centimeters (40.9 to 53.1 inches); 60 percent red (10R 4/8) and 40 percent brownish yellow (10YR 6/8) clay; strong fine angular blocky structure; very firm; 0.9 fine roots; 0.9 fine tubular pores; 75 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 3 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU063993
    2Bt7—135 to 175 centimeters (53.1 to 68.9 inches); 70 percent red (10R 4/8) and 30 percent brownish yellow (10YR 6/8) clay; strong fine angular blocky structure; very firm; 0.9 fine roots; 0.1 fine tubular pores; 75 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 7 percent by volume nonflat indurated 2-40-75 millimeter chert fragments. Lab sample # MU063994