IDENTIFIERS

  • Current Taxon Name (Soil Name): Dolason
  • OSD
  • Series Extent
  • User Site ID: 04CA601278
  • User Pedon ID: 04CA601278
  • Vegetation Plot ID: 04CA601278
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 08N0445
  • NCSS Pedon Lab Data NASIS Record ID - 24048
  • 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: 40.3683333
  • Std. Longitude: -124.1416667
  • Datum: WGS84
  • Township: 1S
  • Range: 1W
  • Section: 23
  • Location Description: Rainbow Ridge
  • Map Unit: 4408—Dolason-Forhaux-Peaked complex, 5 to 30 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: 40124-C2—Buckeye Mountain, California

    • PEDON

  • Describers Name: Jennifer T. Berman
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Pachic Humixerepts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 278
  • Correlated Information:
  • Soil Name - Dolason
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/29/2013
  • Classifier - Jonathan Hooper
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Wirefence
  • Classificaton Date - 5/4/2004
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone
  • Landscape: mountains
  • Landform: ridge
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Co1 Melange member of the Coastal Terrane formation in the Franciscan Complex group.
  • Surface Fragments: 20.00 percent nonflat subangular indurated 2- to 75-millimeter sandstone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/4/2004 (actual site observation date)
  • Air Photo ID: 6247-114
  • Surface Water Kind: none observed
  • Plant Association Name: rangeland
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    2FA

    2FP

    2GA

    2GP

    LUPIN

    PTAQD

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    Lupinus

    Pteridium aquilinum var. decompositum

    Forb, annual

    Forb, perennial

    Grass, annual

    Grass, perennial

    lupine

    decomposition brackenfern

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

    umbric epipedon

    0—100

    —100—
    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

    11

    —

    —

    904

    —

    212

    2160

    —

    260

    13

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    12

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    A1—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) rubbed, black (10YR 2/1) rubbed, moist; loam; 20 percent clay; weak very fine subangular blocky, and weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; moderate permeability; 10.0 very fine roots throughout and 1.0 fine roots throughout; 3 percent by volume nonflat subangular indurated 2-30-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.6, bromcresol green; clear smooth boundary.; moist when described; observed in pit, small
    A2—10 to 50 centimeters (3.9 to 19.7 inches); very dark grayish brown (10YR 3/2) rubbed, black (10YR 2/1) rubbed, moist; loam; 23 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; moderate permeability; 2.0 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular pores; 3 percent by volume nonflat subangular indurated 2-30-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.6, bromcresol green; gradual smooth boundary.; moist when described; observed in pit, small
    A3—50 to 100 centimeters (19.7 to 39.4 inches); very dark grayish brown (10YR 3/2) rubbed, black (10YR 2/1) rubbed, moist; loam; 25 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; moderate permeability; 1.0 very fine roots throughout and 1.0 fine roots throughout and 2.0 coarse roots throughout; 3.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular pores; 3 percent by volume nonflat subangular indurated 2-30-75 millimeter sandstone, unspecified fragments; 10 percent krotovinas (volume percent); very strongly acid, pH 4.6, bromcresol green; gradual smooth boundary.; moist when described; observed in pit, small
    A4—100 to 120 centimeters (39.4 to 47.2 inches); 80 percent dark brown (10YR 3/3) broken face and 20 percent pale brown (10YR 6/3) broken face, 80 percent very dark brown (10YR 2/2) broken face and 20 percent brown (10YR 4/3) broken face, moist; loam; 25 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; moderate permeability; 0.5 very fine roots throughout; 3.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular pores; 10 percent by volume nonflat subangular indurated 2-30-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.6, bromcresol green; clear smooth boundary.; moist when described; observed in pit, small
    C1—120 to 140 centimeters (47.2 to 55.1 inches); light yellowish brown (10YR 6/4) broken face, yellowish brown (10YR 5/4) broken face, moist; loam; 29 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout; 10 percent by volume nonflat subangular indurated 2-30-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.8, bromcresol green; gradual smooth boundary.; moist when described; observed in pit, small
    C2—140 to 180 centimeters (55.1 to 70.9 inches); light yellowish brown (10YR 6/4) broken face, yellowish brown (10YR 5/4) broken face, moist; loam; 23 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout; 10 percent by volume nonflat subangular indurated 2-30-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.8, bromcresol green.; moist when described; observed in pit, small