IDENTIFIERS

  • Current Taxon Name (Soil Name): Arpatutu
  • OSD
  • Series Extent
  • User Site ID: S1975-CA-55-024x
  • User Pedon ID: 75-CA-55-024x
  • Vegetation Plot ID: S1975-CA-55-024x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7555024
  • NCSS Pedon Lab Data NASIS Record ID - 42318
  • Print Date: 2/16/2025

    • 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: 37.8221737
  • Std. Longitude: -120.2136349
  • Datum: WGS84
  • Township: 1S
  • Range: 16E
  • Section: 27
  • PLSS Details: NW/4, Sw/4
  • Map Unit: 8162—Nedsgulch-Arpatutu complex, 30 to 60 percent slopes
  • State: California
  • County: CA109—Tuolumne
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 37120-G2—Groveland, California

    • PEDON

  • Describers Name: WRA, BFS
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Typic Dystroxerepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Arpatutu
  • Classificaton Date - 8/3/2018
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SHEETIRON
  • Taxonomic Class - Loamy-skeletal, mixed, mesic Dystric Xerochrepts
  • Classificaton Date - 2/27/2009
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: schist, unspecified
  • Geology: Calaveras Schist. Geologic For formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/27/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • 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

    QUCH2

    Quercus chrysolepis

    canyon live oak

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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

    58

    —

    —

    1052

    —

    45

    889

    —

    —

    10

    —

    —

    —

    —

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    O—0 to 3 centimeters (0.0 to 1.2 inches); fragments; abrupt smooth boundary. Lab sample # UCD01844
    A—3 to 18 centimeters (1.2 to 7.1 inches); grayish brown (10YR 5/2), dark brown (10YR 3/3), moist; gravelly silt loam; weak fine platy parts to weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 3.0 medium roots throughout; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine irregular and 3.0 fine tubular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.6; clear wavy boundary. Lab sample # UCD01845
    BA—18 to 49 centimeters (7.1 to 19.3 inches); grayish brown (10YR 5/2), brown (10YR 4/3), moist; very stony silt loam; moderate medium granular parts to moderate fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots throughout and 21.0 coarse roots throughout; 21.0 medium irregular and 21.0 fine irregular pores; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.4; clear wavy boundary. Lab sample # UCD01846
    Bw—49 to 69 centimeters (19.3 to 27.2 inches); light brownish gray (10YR 6/2), brown (10YR 5/3), moist; very stony loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 3.0 fine roots throughout and 3.0 coarse roots throughout; 0.5 medium tubular and 0.5 fine tubular pores; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.5. Lab sample # UCD01847
    R—69 to 200 centimeters (27.2 to 78.7 inches); fragments. Lab sample # UCD01848