IDENTIFIERS

  • Current Taxon Name (Soil Name): Maymen
  • OSD
  • Series Extent
  • User Site ID: S1990CA109104
  • User Pedon ID: 90CA109104
  • Vegetation Plot ID: S1990CA109104
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0722
  • NCSS Pedon Lab Data NASIS Record ID - 63761
  • Print Date: 2/1/2025

    • LOCATION

  • Township: 1N
  • Range: 18E
  • Section: 17
  • State: California
  • County: CA109—Tuolumne

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Lithic Dystroxerepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 104
  • Correlated Information:
  • Soil Name - Maymen
  • PSC - 25 to 49 cm.
  • Classificaton Date - 12/29/2015
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Maymen T
  • Classificaton Date - 8/1/1990
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIPO

    Pinus ponderosa

    ponderosa pine

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    49 -

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

    ochric epipedon

    cambic horizon

    lithic contact

    0—18

    13—49

    49—

    —-

    —-

    —-
    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

    —

    —

    1280

    —

    90

    119

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—0 to 3 centimeters (0.0 to 1.2 inches); fragments. pine needle litter
    A—3 to 13 centimeters (1.2 to 5.1 inches); brown (7.5YR 5/2), 7.5YR 2/0 (7.5YR 2/0), moist; gravelly loam; 49 percent sand; 35 percent silt; 16 percent clay; moderate fine and medium granular structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine and fine roots and 2.5 medium and coarse roots; 5.5 very fine and fine interstitial pores; 2 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 91P04091. common medium and coarse roots; many very fine and fine roots
    BA—13 to 28 centimeters (5.1 to 11.0 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; very gravelly loam; 49 percent sand; 36 percent silt; 15 percent clay; moderate medium and coarse subangular blocky, and moderate fine granular structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine and fine roots and 5.5 medium roots; 5.5 very fine and fine interstitial and 2.5 medium interstitial pores; 5 percent by volume 75-162-250 millimeter unspecified fragments and 35 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # 91P04092. many very fine and fine roots; many medium roots
    Bw—28 to 49 centimeters (11.0 to 19.3 inches); yellowish red (5YR 5/6), reddish brown (5YR 4/4), moist; very gravelly loam; 28 percent sand; 34 percent silt; 18 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 fine and medium roots and 2.5 coarse roots; 2.5 very fine and fine tubular and 2.5 medium and coarse interstitial pores; 10 percent by volume 75-162-250 millimeter unspecified fragments and 35 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; strongly acid, pH 5.4, hellige-truog; abrupt irregular boundary. Lab sample # 91P04093. common fine and medium roots; common coarse roots
    R—49 to 64 centimeters (19.3 to 25.2 inches); fragments. fractured bedrock