IDENTIFIERS

  • Current Taxon Name (Soil Name): Sproulish
  • OSD
  • Series Extent
  • User Site ID: S2004CA023011
  • User Pedon ID: S2004CA023011
  • Vegetation Plot ID: S2004CA023011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0133
  • NCSS Pedon Lab Data NASIS Record ID - 18226
  • Print Date: 11/23/2024

    • 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: 40.0811119
  • Std. Longitude: -123.9175034
  • Datum: WGS84
  • Location Description: Barnum Timber, Briceland
  • Map Unit: 578—Sproulish-Telegraph-Redwohly complex, 30 to 50 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA601—Humboldt County, South Part, California
  • 7.5 Minute USGS Quad: 40123-A8—Briceland, California

    • PEDON

  • Describers Name: Jonathan W. Hooper
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Typic Palexerults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 11
  • Sampled As Information:
  • Soil Name - Sproulish
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Typic Palexerults
  • PSC - 16 to 66 cm.
  • Classificaton Date - 7/8/2003
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from sandstone and/or residuum weathered from sandstone
  • Landform: linear and concave slopes on hillside or mountainside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Franciscan Complex formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/8/2003 (actual site observation date)
  • Air Photo ID: 6248-142
  • Plant Association Name: Douglas fir-Tan oak forest
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    ARME

    LIDE3

    PSME

    VAOV2

    Arbutus menziesii

    Lithocarpus densiflorus

    Pseudotsuga menziesii

    Vaccinium ovatum

    Pacific madrone

    tanoak

    Douglas-fir

    California huckleberry

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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

    50

    —

    —

    245

    —

    70

    1500

    —

    280

    13

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments. Lab sample # 05N00683; observed in cut
    A—3 to 17 centimeters (1.2 to 6.7 inches); brown (7.5YR 5/4), brown (10YR 4/3), moist; loam; 24 percent clay; strong medium granular structure; moderately hard, friable, slightly sticky, moderately plastic; moderate permeability; 3.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 7 percent by volume subangular 5-15-25 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.8. Lab sample # 05N00684; very dry when described; observed in cut
    Bt1—17 to 45 centimeters (6.7 to 17.7 inches); brown (7.5YR 5/3), brown (7.5YR 4/4), moist; clay loam; 30 percent clay; moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 2.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 very fine low-continuity tubular pores; 5 percent by volume subangular 5-15-25 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6. Lab sample # 05N00685; very dry when described; observed in cut
    Bt2—45 to 82 centimeters (17.7 to 32.3 inches); brown (7.5YR 5/3), dark yellowish brown (10YR 4/4), moist; clay loam; 31 percent clay; moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 1.0 medium roots throughout and 2.0 fine roots throughout; 1.0 very fine low-continuity tubular pores; 5 percent by volume subangular 5-15-25 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6. Lab sample # 05N00686; very dry when described; observed in cut
    Bt3—82 to 120 centimeters (32.3 to 47.2 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay loam; 32 percent clay; moderate medium subangular blocky parts to moderate medium granular structure; moderately hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 0.5 very fine roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine low-continuity tubular pores; 1 percent by volume subangular 75-100-180 millimeter sandstone, unspecified fragments and 5 percent by volume subangular 5-15-25 millimeter sandstone, unspecified fragments; noneffervescent; strongly acid, pH 5.2. Lab sample # 05N00687; very dry when described; observed in cut
    Bt4—120 to 154 centimeters (47.2 to 60.6 inches); brownish yellow (10YR 6/6), yellowish brown (10YR 5/4), moist; clay loam; 34 percent clay; weak medium subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine low-continuity tubular pores; 10 percent by volume subangular 5-15-25 millimeter sandstone, unspecified fragments; noneffervescent; strongly acid, pH 5.2. Lab sample # 05N00688; very dry when described; observed in cut
    BCt—154 to 200 centimeters (60.6 to 78.7 inches); light yellowish brown (2.5Y 6/4), light olive brown (2.5Y 5/4), moist; gravelly loam; 26 percent clay; weak medium subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; moderately slow permeability; 4 percent by volume subangular 75-100-180 millimeter sandstone, unspecified fragments and 20 percent by volume subangular 5-15-25 millimeter sandstone, unspecified fragments; noneffervescent; strongly acid, pH 5.2. Lab sample # 05N00689; very dry when described; observed in cut