IDENTIFIERS

  • Current Taxon Name (Soil Name): Sites
  • OSD
  • Series Extent
  • User Site ID: S1967-CA-58-122x
  • User Pedon ID: 67-CA-58-122x
  • Vegetation Plot ID: S1967-CA-58-122x
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6758122
  • NCSS Pedon Lab Data NASIS Record ID - 42175
  • Print Date: 4/26/2025

    • 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: 39.4782295
  • Std. Longitude: -121.1736755
  • Datum: WGS84
  • Township: 19
  • Range: 7E
  • Section: 27
  • PLSS Details: SW/4, NE/4
  • State: California
  • County: CA115—Yuba
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA618—Yuba County, California
  • 7.5 Minute USGS Quad: 39121-D2—Challenge, California

    • PEDON

  • Describers Name: JIM, BFS
  • Current Taxonomic Class: Fine, parasesquic, mesic Xeric Haplohumults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Sites
  • PSC - 16 to 66 cm.
  • Classificaton Date - 12/11/2018
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SITES
  • Taxonomic Class - Clayey, oxidic, mesic Xeric Haplohumults
  • Classificaton Date - 1/9/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: ultramafic, unspecified
  • Geology: Ultrabasic Peridotite. Geologi formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/9/2009 (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

    PSEUD7

    Pseudotsuga

    Douglas-fir

    —

    —

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

    ochric epipedon

    argillic horizon

    0—16

    16—171

    —16—

    —155—
    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

    45

    —

    —

    762

    —

    22

    1702

    —

    —

    11.7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); fragments. Lab sample # UCD00272
    Oe—5 to 8 centimeters (2.0 to 3.1 inches); fragments. Lab sample # UCD00273
    A—8 to 16 centimeters (3.1 to 6.3 inches); yellowish red (5YR 4/6), yellowish red (5YR 5/6), dry; clay loam; 24 percent sand; 40 percent silt; 36 percent clay; strong medium granular parts to strong fine granular structure; soft, very friable, slightly sticky, nonplastic; 21.0 very fine roots throughout and 21.0 roots throughout; 21.0 very fine irregular and 21.0 fine irregular pores; fragments; slightly acid, pH 6.4; abrupt wavy boundary. Lab sample # UCD00274
    AB—16 to 28 centimeters (6.3 to 11.0 inches); dark red (2.5YR 3/6), red (2.5YR 4/6), dry; clay; 17 percent sand; 38 percent silt; 45 percent clay; moderate medium granular parts to moderate fine granular structure; soft, very friable, moderately sticky, nonplastic; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 fine irregular and 3.0 fine tubular pores; fragments; slightly acid, pH 6.3; clear wavy boundary. Lab sample # UCD00275
    Bt1—28 to 69 centimeters (11.0 to 27.2 inches); dark red (2.5YR 3/6), red (2.5YR 4/6), dry; clay; 16 percent sand; 35 percent silt; 49 percent clay; massive; soft, very friable, moderately sticky, slightly plastic; 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; fragments; slightly acid, pH 6.2; clear wavy boundary. Lab sample # UCD00276
    Bt2—69 to 120 centimeters (27.2 to 47.2 inches); 5YR 4/8 (5YR 4/8), yellowish red (5YR 4/6), dry; clay; 13 percent sand; 37 percent silt; 50 percent clay; massive; soft, very friable, moderately sticky, slightly plastic; 3.0 medium roots throughout; 0.1 fine tubular pores; fragments; slightly acid, pH 6.2; clear wavy boundary. Lab sample # UCD00277
    BCt—120 to 171 centimeters (47.2 to 67.3 inches); strong brown (7.5YR 5/6), strong brown (7.5YR 5/8), dry; clay loam; 21 percent sand; 41 percent silt; 39 percent clay; massive; soft, very friable, nonsticky, moderately plastic; 0.1 fine tubular pores; fragments; neutral, pH 6.6. Lab sample # UCD00278