IDENTIFIERS

  • Current Taxon Name (Soil Name): Niangua
  • OSD
  • Series Extent
  • User Site ID: 1995MO203030M
  • User Pedon ID: 1995MO203030M
  • Vegetation Plot ID: 1995MO203030M
  • Transect:
  • Transect Stop Number - 2
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561330
  • NCSS Pedon Lab Data NASIS Record ID - 31880
  • Print Date: 5/19/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 37.1380444
  • Std. Longitude: -91.0664833
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: JW, DMM, SAV, RLT
  • Current Taxonomic Class: Fine-loamy over clayey, mixed, active, mesic Typic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Niangua
  • PSC - 18 to 100 cm.
  • Classificaton Date - 1/31/2020
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Ocie
  • Taxonomic Class - Loamy-skeletal over clayey, mixed, semiactive, mesic Oxyaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 18 to 100 cm.
  • Classificaton Date - 6/13/1995
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 15 Strongly contrasting textural stratification (depth in inches) and 40 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: interfluve
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/13/1995 (actual site observation date)
  • Air Photo ID: 16
  • 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

    CARYA

    PIEC2

    QUAL

    Carya

    Pinus echinata

    Quercus alba

    hybrid hickory

    shortleaf pine

    white oak

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

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    112 -

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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

    lithic contact

    3—18

    18—112

    41—

    112—

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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

    10

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    —

    232

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    120

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 8 centimeters (1.2 to 3.1 inches); dark grayish brown (10YR 4/2) silt loam; strong fine granular structure; very friable; 2.0 medium roots and 7.0 fine roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 10 percent distinct black (N 2/0), moist, manganese or iron-manganese stains throughout and 33 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds and in pores; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU054437
    AE—8 to 18 centimeters (3.1 to 7.1 inches); 50 percent yellowish brown (10YR 5/4) and 50 percent dark yellowish brown (10YR 4/4) silt loam; weak fine subangular blocky structure; friable; 2.0 medium roots and 2.0 fine roots and 2.0 coarse roots; 2.0 fine tubular pores; 10 percent distinct black (N 2/0), moist, manganese or iron-manganese stains throughout; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU054438
    Bt1—18 to 31 centimeters (7.1 to 12.2 inches); yellowish brown (10YR 5/4) gravelly silt loam; moderate fine subangular blocky structure; friable; 2.0 medium roots and 2.0 fine roots and 2.0 coarse roots; 0.9 medium tubular and 2.0 fine tubular pores; 10 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 10 percent distinct brown (10YR 5/3), moist, silt coats on faces of peds and in pores and 35 percent distinct 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 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU054439
    Bt2—31 to 41 centimeters (12.2 to 16.1 inches); strong brown (7.5YR 5/6) gravelly silty clay loam; moderate fine angular blocky structure; very firm; 0.9 medium roots and 2.0 fine roots and 0.9 coarse roots; 2.0 fine vesicular and tubular pores; 35 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 75 percent distinct yellowish brown (10YR 5/4), moist, silt coats throughout; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU054440
    2Bt3—41 to 61 centimeters (16.1 to 24.0 inches); strong brown (7.5YR 5/6) gravelly clay; weak fine angular blocky structure; very firm; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 2.0 fine vesicular and tubular pores; 10 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU054441
    2Bt4—61 to 87 centimeters (24.0 to 34.3 inches); 60 percent strong brown (7.5YR 5/8) and 40 percent yellowish brown (10YR 5/8) clay; weak fine subangular blocky structure; very firm; 0.9 medium roots and 0.9 fine roots and 0.1 coarse roots; 0.9 fine tubular pores; 35 percent distinct light yellowish brown (10YR 6/4), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # MU054442
    2Bt5—87 to 112 centimeters (34.3 to 44.1 inches); yellowish brown (10YR 5/8) clay; 10 percent strong brown (7.5YR 5/6) fine distinct mottles; weak fine subangular blocky structure; very firm; 0.9 very fine and fine roots; 0.9 fine vesicular pores; 10 percent distinct yellowish brown (10YR 5/4), moist, clay films on vertical faces of peds and 75 percent faint very dark gray (10YR 3/1), moist, manganese or iron-manganese stains throughout; 2 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments and 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 6.7, hellige-truog; abrupt wavy boundary. Lab sample # MU054443
    2R—112 centimeters (44.1 inches); bedrock; fragments.