IDENTIFIERS

  • Current Taxon Name (Soil Name): Trabuco
  • OSD
  • Series Extent
  • User Site ID: S1967-CA-05-026x
  • User Pedon ID: 67-CA-05-026x
  • Vegetation Plot ID: S1967-CA-05-026x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6705026
  • NCSS Pedon Lab Data NASIS Record ID - 42137
  • Print Date: 11/23/2024

    • 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: 38.1454854
  • Std. Longitude: -120.7130001
  • Datum: WGS84
  • Township: 3N
  • Range: 11E
  • Section: 1
  • PLSS Details: NW/4, NE/4
  • Map Unit: 6071—Sierra-Flanly complex, 3 to 15 percent slopes
  • State: California
  • County: CA009—Calaveras
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-B6—San Andreas, California

    • PEDON

  • Describers Name: JAD, COS
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Mollic Palexeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Trabuco
  • PSC - 33 to 83 cm.
  • Classificaton Date - 12/1/2015
  • Classifier - Theresa Kunch
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SND
  • Taxonomic Class - Fine, mixed, thermic Mollic Palexeralfs
  • Classificaton Date - 1/21/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Slope Shape Down: concave
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/21/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - native shrubs
  • 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

    QUDO

    Quercus douglasii

    blue oak

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—33

    33—137

    142—200

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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

    13

    —

    —

    648

    —

    112

    635

    —

    —

    14.4

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    —

    —

    —

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    A—0 to 13 centimeters (0.0 to 5.1 inches); yellowish brown (10YR 5/4), very dark grayish brown (10YR 3/2), moist; loam; massive parts to weak coarse subangular blocky; very hard, friable; 3.0 fine roots throughout and 3.0 fine roots throughout; 0.5 very fine irregular and 0.5 very fine tubular and 0.5 fine irregular and 0.5 fine tubular pores; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # UCD00083
    BA—13 to 33 centimeters (5.1 to 13.0 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/2), moist; sandy clay loam; weak medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine irregular and 3.0 fine tubular pores; fragments; moderately acid, pH 6.0; abrupt wavy boundary. Lab sample # UCD00084
    Bt1—33 to 107 centimeters (13.0 to 42.1 inches); yellowish brown (10YR 5/6), yellowish brown (10YR 5/4), moist; clay; massive; extremely hard, extremely firm, very sticky, very plastic; 0.1 very fine roots throughout and 0.1 fine roots throughout; 0.1 very fine tubular and 0.1 fine tubular pores; fragments; moderately acid, pH 5.7; diffuse boundary. Lab sample # UCD00085
    Bt2—107 to 137 centimeters (42.1 to 53.9 inches); yellowish brown (10YR 5/8), dark yellowish brown (10YR 4/4), moist; clay; massive; extremely hard, extremely firm, very sticky, very plastic; 0.1 very fine roots throughout; 0.1 very fine tubular pores; fragments; moderately acid, pH 5.7; gradual irregular boundary. Lab sample # UCD00086
    C—137 to 142 centimeters (53.9 to 55.9 inches); yellowish brown (10YR 5/4) sand; massive; extremely hard, extremely firm, moderately sticky, moderately plastic; fragments; moderately acid, pH 6.0; clear boundary. Lab sample # UCD00087
    R—142 to 200 centimeters (55.9 to 78.7 inches); fragments. Lab sample # UCD00088