IDENTIFIERS

  • Current Taxon Name (Soil Name): Ahwahnee
  • OSD
  • Series Extent
  • User Site ID: S1959CA005018
  • User Pedon ID: S1959CA005018
  • Vegetation Plot ID: S1959CA005018
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3073
  • NCSS Pedon Lab Data NASIS Record ID - 38202
  • Print Date: 11/11/2024

    • 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: 38.5022240
  • Std. Longitude: -120.8263855
  • Datum: WGS84
  • Township: 8N
  • Range: 10E
  • Section: 36
  • PLSS Details: in NE1/4 of SW1/4
  • Location Description: On the Fererro Ranch, 1/2 mile N of the junction of Shenandoah Road and Shenandoah School Road.
  • State: California
  • County: CA005—Amador
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California

    • PEDON

  • Describers Name: Grant Kennedy
  • Current Taxonomic Class: Coarse-loamy, mixed, active, thermic Ultic Haploxerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 18
  • Correlated Information:
  • Soil Name - Ahwahnee
  • PSC - 25 to 71 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - San Andreas
  • Classificaton Date - 6/20/1959
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/20/1959 (actual site observation date)
  • 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

    QUDO

    QUVI

    Quercus douglasii

    Quercus virginiana

    blue oak

    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

    5

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    —

    378

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    45

    813

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    AP—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; fine sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine and fine roots and 21.0 very fine roots; fragments; moderately acid, pH 6.0, bromthymol blue; clear smooth boundary. Lab sample # 40A24048
    A3—18 to 41 centimeters (7.1 to 16.1 inches); yellowish brown (10YR 5/4), dark brown (10YR 3/3), moist; fine sandy loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 10 percent clay films in root channels and/or pores; fragments; moderately acid, pH 5.9, unspecified; gradual smooth boundary. Lab sample # 40A24049. discontinuous - phpvsfiid 186836; discontinuous - phpvsfiid 186836
    B2—41 to 71 centimeters (16.1 to 28.0 inches); brown (10YR 5/3), brown (7.5YR 4/4), moist; gravelly loam; massive; very hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 1.0 fine roots; clay bridges between sand grains and 30 percent clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, bromthymol blue; abrupt irregular boundary. Lab sample # 40A24050. discontinuous - phpvsfiid 186833; discontinuous - phpvsfiid 186833
    CR—71 to 94 centimeters (28.0 to 37.0 inches); 1.0 very fine roots; 30 percent clay films; fragments. Lab sample # 40A24051. Mixed strong brown, very pale bow, or white decomposing granodiorite with a few very fine roots and moderately thick clay films along fracture planes and an occasional quartz dike up to 6 inches thick. The weathered rock is easily displaced with a spade but the fragments are very hard when dry.