IDENTIFIERS

  • Current Taxon Name (Soil Name): Pepperwood
  • OSD
  • Series Extent
  • User Site ID: S2007CA601807
  • User Pedon ID: S2007CA023003
  • Vegetation Plot ID: S2007CA601807
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 07N0356
  • NCSS Pedon Lab Data NASIS Record ID - 18869
  • Print Date: 11/21/2024

    • 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: 40.4319669
  • Std. Longitude: -123.9744865
  • Datum: WGS84
  • Location Description: Shively Flat. Property of Dick Wadsworth
  • Map Unit: 187—Pepperwood-Shivelyflat complex, 0 to 2 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA601—Humboldt County, South Part, California
  • 7.5 Minute USGS Quad: 40123-D8—Redcrest, California

    • PEDON

  • Describers Name: Jonathan W. Hooper
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, nonacid, thermic Oxyaquic Udifluvents
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Pepperwood
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/28/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Oldsweetie
  • Classificaton Date - 1/18/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: rare flooding for very brief periods begining in dec
  • Ponding: frequent ponding for very brief periods begining in dec
  • Geology: Quaternary Alluvium member.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/18/2007 (actual site observation date)
  • Air Photo ID: 6246-143
  • Plant Association Name: cleared redwood, farmed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    2GA

    —

    Grass, annual

    —

    —

    —
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    1/18/2007

    50

    —

    6
    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

    1

    —

    —

    40

    —

    230

    1500

    —

    270

    13

    —

    —

    15

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; 20 percent clay; moderate medium granular structure; moderately hard, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout; fragments; noneffervescent; slightly acid, pH 6.4, chlorophenol red; abrupt smooth boundary.; moist when described; observed in pit, small
    AC—15 to 37 centimeters (5.9 to 14.6 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; 21 percent clay; weak medium subangular blocky structure; moderately hard, very friable, nonsticky, nonplastic; 1.0 very fine roots throughout; 2.0 very fine tubular pores; fragments; noneffervescent; slightly acid, pH 6.4, chlorophenol red; clear smooth boundary. Lab sample # 07N01852; moist when described; observed in pit, small
    C1—37 to 75 centimeters (14.6 to 29.5 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; sandy loam; 15 percent clay; structureless massive; moderately hard, very friable, nonsticky, nonplastic; 1.0 very fine roots throughout; 2.0 very fine tubular pores; fragments; noneffervescent; slightly acid, pH 6.4, chlorophenol red; clear wavy boundary. Lab sample # 07N01853; moist when described; observed in pit, small
    C2—75 to 110 centimeters (29.5 to 43.3 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; stratified stratified silt loam; 18 percent clay; structureless massive; moderately hard, very friable, nonsticky, nonplastic; 1 percent medium prominent irregular noncoherent cemented yellow (10YR 7/6), moist, iron-manganese masses in matrix; fragments; noneffervescent; slightly acid, pH 6.4, chlorophenol red; clear wavy boundary.; moist when described; observed in auger, bucket
    C3—110 to 130 centimeters (43.3 to 51.2 inches); dark grayish brown (2.5Y 4/2) broken face, light brownish gray (10YR 6/2) broken face, dry; stratified stratified silt loam; 15 percent clay; structureless massive; extremely hard, friable, slightly sticky, slightly plastic; 30 percent distinct organic stains on surfaces along pores and 30 percent distinct organic stains on surfaces along root channels; fragments; noneffervescent; slightly acid, pH 6.4, chlorophenol red; clear wavy boundary.; moist when described; observed in auger, bucket
    C4—130 to 145 centimeters (51.2 to 57.1 inches); dark grayish brown (2.5Y 4/2) broken face, light brownish gray (2.5Y 6/2) broken face, dry; stratified stratified silt loam; 15 percent clay; structureless massive; extremely hard, friable, slightly sticky, slightly plastic; 30 percent distinct organic stains on surfaces along pores and 30 percent distinct organic stains on surfaces along root channels; 5 percent medium prominent irregular noncoherent cemented brownish yellow (10YR 6/6), moist, iron-manganese masses in matrix; fragments; noneffervescent; neutral, pH 6.6, chlorophenol red; clear wavy boundary.; moist when described; observed in auger, bucket
    C5—145 to 165 centimeters (57.1 to 65.0 inches); dark grayish brown (2.5Y 4/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; stratified stratified fine sandy loam; 12 percent clay; structureless massive; moderately hard, very friable, nonsticky, nonplastic; fragments; noneffervescent; neutral, pH 6.6, chlorophenol red.; moist when described; observed in auger, bucket
    C6—165 to 180 centimeters (65.0 to 70.9 inches); dark grayish brown (2.5Y 4/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; fine sandy loam; 15 percent clay; structureless massive; fragments.; observed in auger, bucket