IDENTIFIERS

  • Current Taxon Name (Soil Name): Loafercreek
  • OSD
  • Series Extent
  • User Site ID: S1966-CA-05-007x
  • User Pedon ID: 66-CA-05-007x
  • Vegetation Plot ID: S1966-CA-05-007x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6605007
  • NCSS Pedon Lab Data NASIS Record ID - 42092
  • Print Date: 4/29/2024

    • 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: 37.9252385
  • Std. Longitude: -120.5769645
  • Datum: WGS84
  • Township: 1N
  • Range: 13E
  • Section: 20
  • PLSS Details: SW/4, NW/4
  • Map Unit: 7076—Bonanza-Loafercreek-Gopheridge complex, 15 to 30 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: 37120-H5—New Melones Dam, California

    • PEDON

  • Describers Name: COS, DD, FT
  • Current Taxonomic Class: Fine-loamy, mixed, active, thermic Ultic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Loafercreek
  • PSC - 33 to 64 cm.
  • Classificaton Date - 7/30/2018
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SOBRANTE
  • Taxonomic Class - Fine-loamy, mixed, thermic Ultic Haploxeralfs
  • Classificaton Date - 1/23/2009
  • 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: well
  • Bedrock: metavolcanics
  • Geology: Meta-volcanic Rock. Geologic F formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/23/2009 (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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    —

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

    ochric epipedon

    argillic horizon

    paralithic contact

    0—33

    33—64

    64—89

    —-

    —-

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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

    34

    —

    —

    305

    —

    225

    610

    —

    —

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    A1—0 to 3 centimeters (0.0 to 1.2 inches);, dark brown (10YR 3/3), moist; loam; strong fine granular structure; friable, nonsticky, nonplastic; 21.0 very fine roots throughout and 21.0 roots throughout; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # UCD00481
    A2—3 to 18 centimeters (1.2 to 7.1 inches); very pale brown (10YR 7/4), brown (10YR 4/3), moist; gravelly loam; moderate medium angular blocky parts to moderate fine angular blocky structure; friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 3.0 very fine irregular and 21.0 irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; slightly acid, pH 6.3; clear wavy boundary. Lab sample # UCD00482
    BA—18 to 33 centimeters (7.1 to 13.0 inches); very pale brown (10YR 7/3), brown (10YR 4/3), moist; loam; moderate medium angular blocky parts to moderate fine angular blocky structure; friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 21.0 very fine irregular and 21.0 irregular pores; fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # UCD00483
    Bt—33 to 64 centimeters (13.0 to 25.2 inches); very pale brown (10YR 7/4), strong brown (7.5YR 5/6), moist; loam; strong medium angular blocky structure; friable, slightly sticky, nonplastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 21.0 very fine tubular and 21.0 fine irregular and 21.0 fine tubular pores; 30 percent clay films on all faces of peds and 30 percent clay films between sand grains; fragments; moderately acid, pH 5.7; clear irregular boundary. Lab sample # UCD00484
    Cr/R—64 to 89 centimeters (25.2 to 35.0 inches); fragments.