IDENTIFIERS

  • Current Taxon Name (Soil Name): Mystery
  • OSD
  • Series Extent
  • User Site ID: 05CA605REDW046
  • User Pedon ID: 05CA605REDW046
  • Vegetation Plot ID: 05CA605REDW046
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N0637
  • NCSS Pedon Lab Data NASIS Record ID - 18043
  • Print Date: 11/24/2024

    • 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: 41.7910556
  • Std. Longitude: -124.0820833
  • Datum: WGS84
  • Township: 16N
  • Range: 1E
  • Section: 8
  • Location Description: Redwood National Park, Del Norte County, California; Stout Grove.
  • Map Unit: 174—Bigtree-Mystery complex, 2 to 9 percent slopes
  • State: California
  • County: CA015—Del Norte
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 41124-G1—Hiouchi, California

    • PEDON

  • Describers Name: Joe Seney & Alaina Frazier
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, isomesic Oxyaquic Eutrudepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 546
  • Correlated Information:
  • Soil Name - Mystery
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/24/2016
  • Classifier - Sue Aszman
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Mystery
  • Classificaton Date - 5/4/2005
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed lithologies
  • Landscape: alluvial plain
  • Landform: flood terrace on flood plain
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: occasional flooding for brief periods begining in dec
  • Ponding: occasional ponding for brief periods begining in dec
  • Bedrock: mixed
  • Geology: Alluvium formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/4/2005 (actual site observation date)
  • Air Photo ID: 6246-236
  • Surface Water Kind: none observed
  • Plant Association Name: Redwood Forest, moist
  • 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
  • Current Air Temp - 15
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    FRPU7

    LIDE3

    OXOR

    POMU

    SESE3

    VAOV2

    Frangula purshiana

    Lithocarpus densiflorus

    Oxalis oregana

    Polystichum munitum

    Sequoia sempervirens

    Vaccinium ovatum

    Cascara buckthorn

    tanoak

    redwood-sorrel

    western swordfern

    redwood

    California huckleberry

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

    ochric epipedon

    aquic conditions

    cambic horizon

    0—29

    77—152

    77—152

    —29—

    —75—

    —75—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    5/4/2005

    50

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    11
    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

    2

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    30

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    2150

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    315

    12

    13

    10

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); black (10YR 2/1) broken face, very dark grayish brown (10YR 3/2) broken face, dry; slightly decomposed plant material; structureless single grain; loose, loose, nonsticky, nonplastic; rapid permeability; 10.0 very fine roots and 2.0 medium roots and 10.0 fine roots; 10.0 very fine interstitial and 10.0 fine interstitial pores; fragments; very strongly acid, pH 5.0, pH indicator strip; clear smooth boundary. Lab sample # 06N02613; moist when described; observed in pit, small. red alder and salmonberry leaves and redwood needles.
    A1—3 to 29 centimeters (1.2 to 11.4 inches); dark olive gray (5Y 3/2) broken face, light olive gray (5Y 6/2) broken face, dry; fine sandy loam; 12 percent clay; weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; 2.0 medium roots and 3.0 fine roots and 1.0 coarse roots; 3.0 very fine tubular and 3.0 very fine interstitial pores; fragments; strongly acid, pH 5.5, pH indicator strip; abrupt smooth boundary. Lab sample # 06N02614; moist when described; observed in pit, small
    2A2—29 to 43 centimeters (11.4 to 16.9 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; very fine sandy loam; 18 percent clay; moderate fine subangular blocky, and moderate very fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 2.0 very fine roots and 4.0 medium roots and 3.0 fine roots and 2.0 coarse roots; 3.0 very fine irregular and 2.0 very fine tubular and 1.0 fine tubular and 1.0 fine irregular pores; fragments; strongly acid, pH 5.5, pH indicator strip; clear smooth boundary. Lab sample # 06N02615; moist when described; observed in pit, small
    2A3—43 to 60 centimeters (16.9 to 23.6 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; very fine sandy loam; 16 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 2.0 very fine roots and 5.0 medium roots and 3.0 fine roots and 2.0 coarse roots; 1.0 very fine tubular and 3.0 very fine irregular and 3.0 fine irregular and 1.0 fine tubular pores; fragments; moderately acid, pH 6.0, pH indicator strip; clear wavy boundary. Lab sample # 06N02616; moist when described; observed in pit, small
    2C—60 to 77 centimeters (23.6 to 30.3 inches); dark grayish brown (2.5Y 4/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; fine sandy loam; 13 percent clay; structureless massive; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots and 1.0 very coarse roots and 7.0 medium roots and 1.0 fine roots and 2.0 coarse roots; 4.0 very fine interstitial and 1.0 fine tubular pores; fragments; moderately acid, pH 6.0, pH indicator strip; clear smooth boundary. Lab sample # 06N02617; moist when described; observed in pit, small
    3Bwb1—77 to 92 centimeters (30.3 to 36.2 inches); olive brown (2.5Y 4/3) broken face, light olive brown (2.5Y 5/4) broken face, dry; very fine sandy loam; 18 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots and 5.0 medium roots and 3.0 fine roots; 3.0 very fine irregular and 1.0 very fine tubular and 2.0 fine irregular and 2.0 fine tubular pores; 10 percent fine distinct irregular weakly coherent cemented gray (10YR 5/1), moist, iron depletions in matrix and 20 percent fine prominent irregular weakly coherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses in matrix; fragments; moderately acid, pH 6.0, pH indicator strip; clear smooth boundary. Lab sample # 06N02618; moist when described; observed in pit, small
    3Bwb2—92 to 104 centimeters (36.2 to 40.9 inches); olive brown (2.5Y 4/3) broken face, light olive brown (2.5Y 5/4) broken face, dry; very fine sandy loam; 14 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots and 3.0 medium roots and 2.0 fine roots; 2.0 very fine tubular and 3.0 very fine irregular pores; 2 percent fine distinct irregular weakly coherent cemented gray (10YR 5/1), moist, iron depletions in matrix and 5 percent fine prominent irregular weakly coherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses in matrix; fragments; moderately acid, pH 6.0, pH indicator strip; clear smooth boundary. Lab sample # 06N02619; moist when described; observed in pit, small
    4Ab—104 to 152 centimeters (40.9 to 59.8 inches); dark grayish brown (2.5Y 4/2) broken face, light yellowish brown (2.5Y 6/3) broken face, dry; silt loam; 22 percent clay; weak medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots and 0.5 medium roots and 2.0 fine roots; 1.0 very fine irregular and 2.0 very fine tubular and 1.0 fine irregular pores; 1 percent fine distinct irregular weakly coherent cemented gray (10YR 5/1), moist, iron depletions on surfaces along root channels and 2 percent fine prominent irregular weakly coherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses on surfaces along root channels; fragments; moderately acid, pH 6.0, pH indicator strip. Lab sample # 06N02620; moist when described; observed in pit, small