IDENTIFIERS

  • Current Taxon Name (Soil Name): Pepperwood
  • OSD
  • Series Extent
  • User Site ID: 07CA601808
  • User Pedon ID: 07CA601808
  • Vegetation Plot ID: 07CA601808
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 07N0355
  • NCSS Pedon Lab Data NASIS Record ID - 18868
  • 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: 40.3436667
  • Std. Longitude: -123.8888417
  • Datum: WGS84
  • Location Description: Camp Grant Flat. Property of Jon Laboytaux
  • 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-C8—Weott, California

    • PEDON

  • Describers Name: Jonathan W. Hooper
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, nonacid, thermic Oxyaquic Udifluvents
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 808
  • Correlated Information:
  • Soil Name - Pepperwood
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/7/2011
  • 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: 6261-21
  • 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

    —

    —

    55

    —

    330

    1500

    —

    325

    13

    —

    —

    15

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; fine sandy loam; 10 percent clay; moderate medium granular structure; slightly hard, very friable, nonsticky, nonplastic; low excavation difficulty; 3.0 very fine roots throughout; fragments; noneffervescent; neutral, pH 6.8, chlorophenol red; abrupt smooth boundary.; moist when described; observed in pit, small
    AC—20 to 63 centimeters (7.9 to 24.8 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; stratified stratified fine sandy loam; 5 percent clay; moderate medium platy structure; soft, very friable, nonsticky, nonplastic; low excavation difficulty; 2.0 very fine roots throughout; 2.0 very fine tubular pores; fragments; noneffervescent; neutral, pH 6.8, chlorophenol red; abrupt smooth boundary.; moist when described; observed in pit, small
    C1—63 to 95 centimeters (24.8 to 37.4 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; stratified stratified fine sandy loam; 7 percent clay; structureless massive; slightly hard, very friable, nonsticky, nonplastic; low excavation difficulty; 1.0 very fine tubular pores; 5 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron-manganese masses in matrix; fragments; noneffervescent; neutral, pH 6.8, chlorophenol red; abrupt smooth boundary.; moist when described; observed in pit, small
    C2—95 to 120 centimeters (37.4 to 47.2 inches); very dark grayish brown (2.5Y 3/2) broken face, light brownish gray (2.5Y 6/2) broken face, dry; stratified stratified fine sandy loam; 6 percent clay; structureless massive; soft, very friable, nonsticky, nonplastic; low excavation difficulty; 2 percent fine prominent irregular noncoherent cemented dark gray (2.5Y 4/1), moist, iron-manganese masses in matrix; fragments; noneffervescent; neutral, pH 6.8, chlorophenol red; abrupt wavy boundary.; moist when described; observed in pit, small
    C3—120 to 152 centimeters (47.2 to 59.8 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; stratified stratified loamy fine sand; 3 percent clay; structureless massive; soft, very friable, nonsticky, nonplastic; low excavation difficulty; fragments; noneffervescent; neutral, pH 6.8, chlorophenol red; clear wavy boundary.; moist when described; observed in pit, small
    C4—152 to 180 centimeters (59.8 to 70.9 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; silt loam; 15 percent clay; structureless massive; moderately hard, very friable, slightly sticky, slightly plastic; low excavation difficulty; 1 percent fine prominent irregular noncoherent cemented brown (7.5YR 4/4), moist, iron-manganese masses in matrix; fragments; noneffervescent; neutral, pH 6.8, chlorophenol red.; moist when described; observed in pit, small