IDENTIFIERS

  • Current Taxon Name (Soil Name): Ocho
  • OSD
  • Series Extent
  • User Site ID: S1991CA093002
  • User Pedon ID: 91CA093002
  • Vegetation Plot ID: S1991CA093002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0755
  • NCSS Pedon Lab Data NASIS Record ID - 63794
  • Print Date: 11/28/2024

    • 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: 41.9222221
  • Std. Longitude: -121.9444427
  • Datum: WGS84
  • State: California
  • County: CA093—Siskiyou
  • MLRA: 21—Klamath and Shasta Valleys and Basins

    • PEDON

  • Describers Name: R.J. Engel, D.W. Smith, and J.J. Jahnke
  • Current Taxonomic Class: Clayey, mixed, mesic Haplic Nadurargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Ocho
  • PSC - 23 to 48 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Ocho
  • Taxonomic Class - Loamy, mixed, mesic, shallow Haplic Nadurargid
  • Taxon Kind - series
  • Classificaton Date - 5/1/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Landform: terrace—stream or lake
  • Slope Position: depression
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1991 (actual site observation date)
  • Microrelief Kind: microdepression
  • Microrelief Elevation: 35
  • 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
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    DISTI

    GRSP

    SAVE

    Distichlis

    Grayia spinosa

    Salix vestita

    saltgrass

    spiny hopsage

    rock willow

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    —

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

    ochric epipedon

    albic horizon

    natric horizon

    duripan

    0—10

    10—23

    23—48

    66—135

    —-

    —-

    —-

    —-
    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

    —

    —

    1389

    —

    28

    —

    —

    9

    18

    1

    10

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2) crushed, light gray (10YR 7/2) crushed, dry; fine sandy loam; weak very coarse platy structure; soft, very firm, slightly sticky, nonplastic; 0.5 very fine roots throughout; 5.5 very fine and fine vesicular and 2.5 medium vesicular pores; fragments; abrupt smooth boundary. Lab sample # 91P04286; dry when described;. few very fine roots throughout
    E—10 to 23 centimeters (3.9 to 9.1 inches); dark grayish brown (10YR 4/2) crushed, very pale brown (10YR 8/2), dry; loam; 22 percent clay; weak medium subangular blocky structure; slightly hard, very firm, slightly sticky, moderately plastic; 0.5 very fine and fine roots throughout; 5.5 very fine and fine vesicular pores; fragments; abrupt smooth boundary. Lab sample # 91P04287; dry when described;. few very fine and fine roots throughout
    Btn1—23 to 33 centimeters (9.1 to 13.0 inches); brown (10YR 4/3) crushed, brown (10YR 5/3), dry; clay loam; 32 percent clay; moderate coarse angular blocky structure; hard, friable, very sticky, moderately plastic; 2.5 very fine and fine roots throughout and 2.5 medium roots throughout; 2.5 very fine and fine tubular and 0.5 medium tubular pores; 55 percent distinct clay films on faces of peds and in pores and 55 percent distinct clay films on faces of peds; fragments; clear wavy boundary. Lab sample # 91P04288. many clay films surface features on faces of peds and in pores; many clay films surface features on faces of peds; common very fine and fine roots throughout; common medium roots throughout; discontinuous - phpvsfiid 226967; discontinuous - phpvsfiid 226968; discontinuous - phpvsfiid 226967; discontinuous - phpvsfiid 226968
    Btn2—33 to 48 centimeters (13.0 to 18.9 inches); brown (10YR 4/3) crushed, light yellowish brown (10YR 6/4), dry; clay loam; 34 percent clay; moderate medium angular blocky structure; hard, friable, very sticky, moderately plastic; 2.5 fine and medium roots throughout and 2.5 coarse roots throughout; 55 percent distinct clay films on faces of peds and in pores and 55 percent distinct clay films on faces of peds; fragments; abrupt smooth boundary. Lab sample # 91P04289. many clay films surface features on faces of peds and in pores; many clay films surface features on faces of peds; common fine and medium roots throughout; common coarse roots throughout; discontinuous - phpvsfiid 226969; discontinuous - phpvsfiid 226970; discontinuous - phpvsfiid 226969; discontinuous - phpvsfiid 226970
    Bqm1—48 to 66 centimeters (18.9 to 26.0 inches); dark yellowish brown (10YR 4/4) crushed, light gray (10YR 7/2), dry; massive; extremely firm* by silica; 2.5 very fine and fine roots top of horizon; fragments; gradual smooth boundary. Lab sample # 91P04290. common very fine and fine roots in mat at top of horizon
    Bqm2—66 to 107 centimeters (26.0 to 42.1 inches); dark yellowish brown (10YR 4/4) crushed, light gray (10YR 7/2), dry; extremely firm* by silica; fragments; gradual smooth boundary. Lab sample # 91P04291
    Bqm3—107 to 135 centimeters (42.1 to 53.1 inches); brown (10YR 4/3) crushed, light gray (10YR 7/1), dry; weak coarse platy structure; extremely firm* by silica; fragments; clear wavy boundary. Lab sample # 91P04292
    2C—135 to 160 centimeters (53.1 to 63.0 inches); dark grayish brown (10YR 4/2) crushed, light gray (10YR 7/2), dry; loamy fine sand; massive; very friable, nonsticky, nonplastic; fragments. Lab sample # 91P04293