IDENTIFIERS

  • Current Taxon Name (Soil Name): ISHI PISHI
  • OSD
  • Series Extent
  • User Site ID: S1976CA023001
  • User Pedon ID: S1976CA023001
  • Vegetation Plot ID: S1976CA023001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 78P0453
  • NCSS Pedon Lab Data NASIS Record ID - 46007
  • Print Date: 4/3/2025
  • 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: 41.2000008
  • Std. Longitude: -123.5166702
  • Datum: WGS84
  • Township: 10N
  • Range: 6E
  • Section: 31
  • PLSS Details: Approximately 60 feet north of Black Mtn. Road, 1/4 mile east of junction with Forest Road 10N01, and 150 feet west of a trail junction in
  • Location Description: Humboldt County, California. , under mixed conifer-hardwood-shrub cover
  • State: California
  • County: CA023—Humboldt
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA600—Humboldt County, Central Part, California
  • PEDON

  • Current Taxonomic Class: Loamy-skeletal, magnesic, mesic Ultic Haploxeralfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - ISHI PISHI
  • PSC - 20 to 70 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Ishi Pishi
  • Taxonomic Class - Clayey-skeletal, serpentinitic, mesic Ultic Haplox
  • Taxon Kind - series
  • Classificaton Date - 6/1/1976
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: mountainous upland
  • Slope Complexity: simple
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1976 (actual site observation date)
  • Surface Cover Properties:
  • 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

    2GA

    ARME

    CALOC2

    LIDE3

    PIJE

    PSME

    Arbutus menziesii

    Calocedrus

    Lithocarpus densiflorus

    Pinus jeffreyi

    Pseudotsuga menziesii

    Grass, annual

    Pacific madrone

    incense cedar

    tanoak

    Jeffrey pine

    Douglas-fir

    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

    35

    640

    135

    1397

    O1—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.; observed in pit, small
    A1—3 to 8 centimeters (1.2 to 3.1 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/4), dry; gravelly loam; strong medium granular, and strong coarse granular structure; slightly hard, friable, moderately sticky, moderately plastic; 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 21.0 very fine tubular and 3.0 medium tubular and 21.0 fine tubular pores; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # 78P02537; observed in pit, small
    A3—8 to 23 centimeters (3.1 to 9.1 inches); reddish brown (5YR 4/4), reddish yellow (5YR 6/6), dry; gravelly loam; weak very coarse subangular blocky parts to moderate very fine subangular blocky, and weak very coarse subangular blocky parts to moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 3.0 medium tubular and 3.0 fine tubular pores; 10 percent clay films on all faces of peds; fragments; slightly acid, pH 6.5; gradual wavy boundary. Lab sample # 78P02538; observed in pit, small
    B1t—23 to 43 centimeters (9.1 to 16.9 inches); dark reddish brown (2.5YR 3/4) and dark reddish brown (5YR 3/4) rubbed, light red (2.5YR 6/6) rubbed and red (2.5YR 5/6), dry; gravelly clay loam; moderate fine subangular blocky parts to moderate fine granular, and moderate medium subangular blocky parts to moderate fine granular structure; slightly hard, friable, moderately sticky, moderately plastic; 3.0 medium roots and 0.5 fine roots and 3.0 coarse roots; 21.0 very fine tubular and 3.0 fine tubular pores; 75 percent clay films on all faces of peds; 5 percent by volume 75-?-250 millimeter unspecified fragments; neutral, pH 6.8; gradual wavy boundary. Lab sample # 78P02539; observed in pit, small
    B21t—43 to 67 centimeters (16.9 to 26.4 inches); reddish brown (5YR 4/4) and dark reddish brown (5YR 3/4) rubbed, yellowish red (5YR 5/6) and yellowish red (5YR 4/6) rubbed, dry; very gravelly clay loam; moderate fine granular, and moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, very sticky, moderately plastic; 3.0 medium roots and 0.5 fine roots and 3.0 coarse roots; 21.0 very fine tubular and 3.0 fine tubular pores; clay films on all faces of peds; 15 percent by volume 250-?-600 millimeter unspecified fragments and 20 percent by volume 75-?-250 millimeter unspecified fragments; neutral, pH 7.0; clear wavy boundary. Lab sample # 78P02540; observed in pit, small. continuous - phpvsfiid 210223; continuous - phpvsfiid 210223
    B22t—67 to 87 centimeters (26.4 to 34.3 inches); dark reddish brown (5YR 3/4) and reddish brown (5YR 4/4) rubbed, yellowish red (5YR 5/6) and reddish brown (5YR 5/4) rubbed, dry; very gravelly clay loam; moderate very fine subangular blocky, and moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, very sticky, moderately plastic; 3.0 medium roots and 0.5 fine roots and 3.0 coarse roots; 3.0 very fine tubular and 3.0 fine tubular pores; clay films on all faces of peds; 3 percent by volume 75-?-250 millimeter unspecified fragments and 15 percent by volume 250-?-600 millimeter unspecified fragments; neutral, pH 7.0; gradual wavy boundary. Lab sample # 78P02541; observed in pit, small. continuous - phpvsfiid 210224; continuous - phpvsfiid 210224
    B23t—87 to 105 centimeters (34.3 to 41.3 inches); dark reddish brown (5YR 3/3) and dark reddish brown (5YR 3/4) and dark brown (7.5YR 3/4) rubbed, yellowish red (5YR 5/6) and reddish brown (5YR 5/4) rubbed, dry; very gravelly clay; moderate fine subangular blocky, and moderate coarse subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, very sticky, very plastic; 3.0 medium roots and 0.5 fine roots and 3.0 coarse roots; 3.0 very fine tubular and 3.0 fine tubular pores; clay films on all faces of peds; 3 percent by volume 75-?-250 millimeter unspecified fragments; neutral, pH 7.0; gradual irregular boundary. Lab sample # 78P02542; observed in pit, small. continuous - phpvsfiid 210225; continuous - phpvsfiid 210225
    C—105 to 123 centimeters (41.3 to 48.4 inches); light gray (2.5Y 7/2) and yellowish brown (10YR 5/4) rubbed, pinkish white (5YR 8/2) and light yellowish brown (10YR 6/4) rubbed, dry; gravelly clay loam; weak coarse subangular blocky, and weak very coarse subangular blocky structure; slightly hard, friable, very sticky, moderately plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 0.5 very fine tubular pores; 75 percent yellowish red (5YR 5/6), dry, and dark reddish brown (5YR 3/4), moist, clay films on all faces of peds; fragments; neutral, pH 7.3; clear irregular boundary. Lab sample # 78P02543; observed in pit, small
    R—123 to 140 centimeters (48.4 to 55.1 inches); bedrock; fragments; neutral, pH 7.0. Lab sample # 78P02544; observed in pit, small