IDENTIFIERS

  • Current Taxon Name (Soil Name): Nedsgulch
  • OSD
  • Series Extent
  • User Site ID: R09CA630SMM007
  • User Pedon ID: S2009SMM007
  • Vegetation Plot ID: R09CA630SMM007
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0453
  • NCSS Pedon Lab Data NASIS Record ID - 24750
  • 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: 38.3547211
  • Std. Longitude: -120.4141693
  • Datum: WGS84
  • Township: 6N
  • Range: 14E
  • Section: 22
  • PLSS Details: about 630 feet west and 1010 feet north of the southeast corner
  • Location Description: About 5.4 miles east of the community of Railroad Flat, CA
  • Map Unit: 8162—Nedsgulch-Arpatutu complex, 30 to 60 percent slopes
  • State: California
  • County: CA009—Calaveras
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Regional Office: SW—Southwest
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-C4—Fort Mountain, California

    • PEDON

  • Describers Name: Sue Malone
  • Current Taxonomic Class: Fine-loamy, mixed, semiactive, mesic Ultic Palexeralfs
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Nedsgulch
  • PSC - 41 to 91 cm.
  • Classificaton Date - 12/28/2015
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Schaad warm
  • Classificaton Date - 7/14/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium over Calaveras Complex residuum weathered from argillite
  • Landscape: Sierra Nevada mountains
  • Landform: dissected mountain slope
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent moderate weathered argillite at 168cm with 10 to <45
  • Geology: Calaveras Complex Melange formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/2009 (actual site observation date)
  • Plant Association Name: Sierran Mixed Conifer SMC3
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    ARMA

    CADE27

    CEIN

    CHFO

    COCOC

    CORNU

    LONIC

    OSBE

    PILA

    PIPO

    PSME

    QUCH2

    QUKE

    RIINI

    RUDI2

    TODI

    Arctostaphylos manzanita

    Calocedrus decurrens

    Ceanothus incanus

    Chamaebatia foliolosa

    Corylus cornuta var. californica

    Cornus

    Lonicera

    Osmorhiza berteroi

    Pinus lambertiana

    Pinus ponderosa

    Pseudotsuga menziesii

    Quercus chrysolepis

    Quercus kelloggii

    Ribes inerme var. inerme

    Rubus discolor

    Toxicodendron diversilobum

    whiteleaf manzanita

    incense cedar

    coast whitethorn

    mountain misery

    California hazelnut

    dogwood

    honeysuckle

    sweetcicely

    sugar pine

    ponderosa pine

    Douglas-fir

    canyon live oak

    California black oak

    whitestem gooseberry

    Himalayan blackberry

    Pacific poison oak

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

    bedrock, paralithic

    moderately coherent

    168 - 201

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

    ochric epipedon

    cambic horizon

    argillic horizon

    paralithic contact

    0—18

    18—41

    41—168

    168—

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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

    42

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    962

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    140

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); dark grayish brown (10YR 4/2), black (7.5YR 2.5/1), moist; slightly decomposed plant material; fragments.
    Oe—2 to 3 centimeters (0.8 to 1.2 inches); 7.5YR (7.5YR/), moderately decomposed plant material; fragments.
    A—3 to 18 centimeters (1.2 to 7.1 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; silt loam; 30 percent sand; 20 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 fine roots; 8.0 very fine irregular and 8.0 fine irregular pores; 10 percent by volume nonflat 2-?-76 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary.
    BA—18 to 41 centimeters (7.1 to 16.1 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; loam; 35 percent sand; 22 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 3.0 very fine irregular and 0.8 fine tubular pores; 10 percent by volume nonflat 2-?-76 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary.
    Bt1—41 to 68 centimeters (16.1 to 26.8 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; clay loam; 35 percent sand; 28 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 3.0 very fine roots and 0.8 medium roots and 3.0 fine roots and 0.8 coarse roots; 3.0 very fine irregular and 0.8 fine tubular pores; 20 percent distinct light brown (7.5YR 6/4), dry, silt coats on all faces of peds and 30 percent prominent yellowish red (5YR 5/6), dry, clay films on all faces of peds; 10 percent by volume nonflat 2-?-76 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. discontinuous - phpvsfiid 473323; discontinuous - phpvsfiid 473323
    Bt2—68 to 94 centimeters (26.8 to 37.0 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; clay loam; 40 percent sand; 30 percent clay; strong coarse subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 3.0 very fine roots and 0.8 medium roots and 0.8 coarse roots; 3.0 very fine tubular and 3.0 fine tubular pores; 5 percent clay films on surfaces along pores and 40 percent prominent yellowish red (5YR 5/6), dry, clay films on all faces of peds; 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-76 millimeter metamorphic, unspecified fragments; strongly acid, pH 5.5, hellige-truog; gradual wavy boundary. discontinuous - phpvsfiid 473325; discontinuous - phpvsfiid 473325
    Bt3—94 to 120 centimeters (37.0 to 47.2 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; gravelly clay loam; 35 percent sand; 30 percent clay; strong coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots and 0.8 medium roots and 0.8 coarse roots; 3.0 very fine tubular and 0.8 fine tubular pores; 5 percent clay films on surfaces along pores and 60 percent prominent yellowish red (5YR 5/6), dry, clay films on all faces of peds; 15 percent by volume nonflat subangular very strongly coherent cemented 2-?-76 millimeter metamorphic, unspecified fragments observed by visual inspection method; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. discontinuous - phpvsfiid 473327; discontinuous - phpvsfiid 473327
    Bt4—120 to 140 centimeters (47.2 to 55.1 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; gravelly clay loam; 35 percent sand; 32 percent clay; moderate coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.8 medium roots and 0.8 fine roots and 0.8 coarse roots; 3.0 fine irregular and 0.8 fine tubular pores; 5 percent clay films on surfaces along pores and 40 percent prominent yellowish red (5YR 5/6), dry, clay films on all faces of peds; 30 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metamorphic, unspecified fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. discontinuous - phpvsfiid 473329; discontinuous - phpvsfiid 473329
    BCt—140 to 168 centimeters (55.1 to 66.1 inches); strong brown (7.5YR 4/6), strong brown (7.5YR 4/6), moist; very gravelly clay loam; 30 percent sand; 32 percent clay; moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.8 medium roots and 0.8 fine roots; 0.8 very fine irregular and 0.8 fine irregular pores; 30 percent prominent yellowish red (5YR 4/6) clay films on all faces of peds; 5 percent by volume nonflat very strongly coherent cemented 76-?-250 millimeter metamorphic, unspecified fragments and 40 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metamorphic, unspecified fragments; strongly acid, pH 5.2, hellige-truog; abrupt wavy boundary. discontinuous - phpvsfiid 473331; discontinuous - phpvsfiid 473331
    Cr—168 to 201 centimeters (66.1 to 79.1 inches); fragments.