IDENTIFIERS

  • Current Taxon Name (Soil Name): Fortyfour
  • OSD
  • Series Extent
  • User Site ID: S10CA023017
  • User Pedon ID: S10CA023017
  • Vegetation Plot ID: 82CA605REDW020
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - OSU-UCD
  • Lab Pedon # - 10N0688
  • NCSS Pedon Lab Data NASIS Record ID - 58614
  • 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: 41.2347611
  • Std. Longitude: -124.0463417
  • Datum: WGS84
  • Township: 10N
  • Range: 1E
  • Section: 22
  • PLSS Details: southwest quarter, southeast quarter
  • Location Description: Redwood National Park, Humboldt County, California; located approximately 11 kilometers south of the town of Orick, roadcut on M-11-1-1 logging road, 229 meters south of junction of L-1 and M-11-1-1 roads.
  • Map Unit: 562—Trailhead-Fortyfour complex, 30 to 50 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4—California Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 41124-B1—Rodgers Peak, California

    • PEDON

  • Describers Name: Jim Popenoe & Jack Lewis
  • Current Taxonomic Class: Fine, parasesquic, isomesic Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 8220
  • Correlated Information:
  • Soil Name - Fortyfour (flagged as OSD)
  • PSC - 31 to 81 cm.
  • Classificaton Date - 3/27/2013
  • Classifier - Jonathan Hooper
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Fortyfour
  • Classificaton Date - 6/30/1982
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium and residuum derived from schist
  • Landscape: mountains
  • Landform: mountain
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent strong weathered schist, unspecified at 99cm
  • Geology: Redwood Creek Schist member of the Franciscan Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/30/1982 (actual site observation date)
  • Air Photo ID: 5-22
  • Surface Water Kind: none observed
  • Plant Association Name: Redwood Forest-cutover
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    LIDE3

    VAOV2

    PSME

    TSHE

    SESE3

    ALRU2

    RHODO

    GASH

    BAPI

    WHMO

    Lithocarpus densiflorus

    Vaccinium ovatum

    Pseudotsuga menziesii

    Tsuga heterophylla

    Sequoia sempervirens

    Alnus rubra

    Rhododendron

    Gaultheria shallon

    Baccharis pilularis

    Whipplea modesta

    tanoak

    California huckleberry

    Douglas-fir

    western hemlock

    redwood

    red alder

    rhododendron

    salal

    coyotebrush

    common whipplea

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

    bedrock, paralithic

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    99 -

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

    ochric epipedon

    argillic horizon

    paralithic contact

    1—31

    31—99

    99—

    —30—

    —68—

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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

    30

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    375

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    127

    2150

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    275

    11

    14

    9

    11

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    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; moist when described; observed in cut
    A—1 to 31 centimeters (0.4 to 12.2 inches); yellowish red (5YR 4/6) broken face, strong brown (7.5YR 5/6) broken face, dry; clay loam; 32 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots and 4.0 medium roots and 10.0 fine roots; 10.0 very fine irregular and 4.0 medium tubular and 4.0 fine tubular and 10.0 fine irregular pores; 14 percent by volume 2-38-75 millimeter schist, unspecified fragments; noneffervescent; very strongly acid, pH 5.0, pH meter; gradual wavy boundary.; moist when described; observed in cut
    BAt—31 to 46 centimeters (12.2 to 18.1 inches); 5YR 4/8 (5YR 4/8) broken face, yellowish red (5YR 5/8) broken face, dry; silty clay; 41 percent clay; moderate coarse subangular blocky parts to moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; moderately slow permeability; 4.0 medium roots and 4.0 fine roots and 0.5 coarse roots; 0.5 very fine irregular and 4.0 medium tubular and 4.0 fine tubular and 0.5 fine irregular pores; 14 percent by volume 2-38-75 millimeter schist, unspecified fragments; noneffervescent; very strongly acid, pH 5.0, pH meter; gradual wavy boundary.; moist when described; observed in cut
    Bt1—46 to 77 centimeters (18.1 to 30.3 inches); 5YR 4/8 (5YR 4/8) broken face, yellowish red (5YR 5/8) broken face, dry; gravelly clay; 40 percent clay; moderate coarse subangular blocky structure; hard, firm, moderately sticky, slightly plastic; moderately slow permeability; 4.0 medium roots and 4.0 fine roots and 0.5 coarse roots; 4.0 medium tubular and 4.0 fine tubular and 4.0 coarse tubular pores; 37 percent distinct red (2.5YR 4/6), moist, clay films on all faces of peds; 20 percent by volume 2-38-75 millimeter schist, unspecified fragments; noneffervescent; strongly acid, pH 5.2, pH meter; gradual wavy boundary.; moist when described; observed in cut
    Bt2—77 to 99 centimeters (30.3 to 39.0 inches); variegated yellowish red (5YR 5/8) broken face, yellow (10YR 7/8) broken face and reddish yellow (5YR 6/6) broken face, dry; clay; 39 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; hard, firm, moderately sticky, slightly plastic; moderately slow permeability; 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 0.5 medium tubular and 0.5 fine tubular and 0.5 coarse tubular pores; 15 percent faint clay films on all faces of peds; 10 percent by volume 2-38-75 millimeter schist, unspecified fragments; noneffervescent; very strongly acid, pH 4.9, pH meter; abrupt wavy boundary.; moist when described; observed in cut
    Cr—99 centimeters (39.0 inches); fragments.; moist when described; observed in cut