IDENTIFIERS

  • Current Taxon Name (Soil Name): Dystric Xeropsamments
  • OSD
  • Series Extent
  • User Site ID: S2018CA019015
  • User Pedon ID: S2018CA019015
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 18N2069
  • User Project ID: SOAP_D17_NEON
  • Project Name: NEON - Soaproot Saddle
  • Print Date: 12/5/2025

    • 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: 37.0382040
  • Std. Longitude: -119.2518020
  • Datum: WGS84
  • Township: 10S
  • Range: 25E
  • Section: 28
  • PLSS Details: About 950 m NE of the SW corner
  • Location Description: 15.0;20;40x40 SW marker
  • Map Unit: 137—Holland family, 35 to 65 percent slopes
  • Country: US—United States
  • State: California
  • County: CA019—Fresno
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA750—Sierra National Forest Area Parts of Fresno, California
  • 7.5 Minute USGS Quad: 37119-A3—Shaver Lake, California

    • PEDON

  • Describers Name: Andrew Paolucci
  • Current Taxonomic Class: Mixed, mesic Dystric Xeropsamments
  • Current Taxon Kind: family
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Humic Dystroxerepts
  • Taxonomic Class - Coarse-loamy, mixed, superactive, mesic Humic Dystroxerepts
  • Taxon Kind - family
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/1/2018
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from quartz-diorite
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent nonflat subangular indurated 250- to 600-millimeter quartz-diorite, 15.00 percent nonflat subangular indurated 600- to 3000-millimeter quartz-diorite, 1.00 percent nonflat subangular very strongly coherent cemented 75- to 250-millimeter quartz-diorite,
  • Benchmark Soil?: no
  • Plot #: 15
  • RaCA Information:
  • RaCA Site ID - SOAP_015
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 20
  • Plot Baseline Length - 15
  • Plot Width - 40
  • Plot/Site Set Up By - Center of pit
  • Plot or Site Recorder - Andrew Paolucci

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    F022AK100CA Steep Mesic Drainages Aug 7 2018 Andrew Paolucci

    • SITE OBSERVATION

  • Observation Date: 7/31/2018 (actual site observation date)
  • Data Collector: Andrew Paolucci;Sean Day
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    0—16

    16—74

    —16—

    —58—
    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

    46

    —

    —

    1071

    —

    40

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 1 centimeters (0.0 to 0.4 inches); black (10YR 2/1) crushed, very dark gray (10YR 3/1) crushed, dry; fine gravelly coarse sandy loam; 72 percent sand; 22 percent silt; 7 percent clay; weak very fine granular structure; soft, very friable, noncoherent, slightly sticky, nonplastic; many (5.0) very fine roots throughout and few (0.5) fine roots throughout; common (3.0) very fine irregular and common (1.0) fine irregular pores; 2 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter quartz-diorite fragments observed by visual inspection method and 15 percent by volume nonflat subangular strongly coherent cemented 2-10-20 millimeter quartz-diorite fragments observed by visual inspection method; 9 NaF pH; noneffervescent, by hcl, 1n; neutral, pH 7.1, pH meter; abrupt smooth boundary. Lab sample # 18N06268; dry when described; observed in pit, small. Hydrophobic; Percent sand, silt and clay, texture, and pH, as recorded here, were determined by KSSL characterization data.
    AB—1 to 16 centimeters (0.4 to 6.3 inches); very dark grayish brown (10YR 3/2) crushed, dark grayish brown (10YR 4/2) crushed, dry; loamy coarse sand; 77 percent sand; 18 percent silt; 5 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; slightly hard, friable, noncoherent, slightly sticky, nonplastic; common (3.0) very fine roots throughout and common (1.0) medium roots throughout and common (2.0) fine roots throughout and few (0.5) coarse roots throughout; common (2.0) very fine irregular and common (1.0) fine irregular pores; 3 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter quartz-diorite fragments observed by visual inspection method and 8 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter quartz-diorite fragments observed by visual inspection method; 9 NaF pH; noneffervescent, by hcl, 1n; neutral, pH 6.6, pH meter; gradual smooth boundary. Lab sample # 18N06269; dry when described; observed in pit, small. Hydrophobic; Percent sand, silt and clay, texture, and pH, as recorded here, were determined by KSSL characterization data.
    Bw1—16 to 49 centimeters (6.3 to 19.3 inches); dark yellowish brown (10YR 4/4) broken face, yellowish brown (10YR 5/4) broken face, dry; loamy coarse sand; 79 percent sand; 17 percent silt; 4 percent clay; weak very coarse subangular blocky, and weak coarse subangular blocky structure; slightly hard, friable, noncoherent, slightly sticky, nonplastic; common (1.0) very fine roots throughout and few (0.5) very coarse roots throughout and common (1.0) medium roots throughout and common (2.0) fine roots throughout and common (2.0) coarse roots throughout; common (1.0) very fine irregular and common (1.0) very fine tubular and few (0.2) medium tubular and few (0.5) fine tubular pores; 1 percent by volume nonflat subangular indurated 250-425-600 millimeter quartz-diorite fragments observed by visual inspection method and 2 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter quartz-diorite fragments observed by visual inspection method and 7 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter quartz-diorite fragments observed by visual inspection method; 9 NaF pH; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, pH meter; gradual smooth boundary. Lab sample # 18N06270; dry when described; observed in pit, small. Hydrophobic with 2% black charcoal ranging from fine to coarse in size.; Percent sand, silt and clay, texture, and pH, as recorded here, were determined by KSSL characterization data.
    Bw2—49 to 74 centimeters (19.3 to 29.1 inches); dark yellowish brown (10YR 3/4) broken face, dark yellowish brown (10YR 4/4) broken face, dry; stony loamy coarse sand; 79 percent sand; 17 percent silt; 5 percent clay; weak medium subangular blocky structure; soft, very friable, noncoherent, slightly sticky, nonplastic; common (1.0) very fine roots throughout and few (0.5) very coarse roots throughout and common (1.0) medium roots throughout and common (2.0) fine roots throughout and common (2.0) coarse roots throughout; common (3.0) very fine interstitial pores; 3 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter quartz-diorite fragments observed by visual inspection method and 5 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter quartz-diorite fragments observed by visual inspection method and 7 percent by volume nonflat subangular indurated 250-425-600 millimeter quartz-diorite fragments observed by visual inspection method; 9 NaF pH; noneffervescent, by hcl, 1n; neutral, pH 6.6, pH meter; clear wavy boundary. Lab sample # 18N06271; dry when described; observed in pit, small
    CB—74 to 151 centimeters (29.1 to 59.4 inches); dark yellowish brown (10YR 4/6) broken face, brownish yellow (10YR 6/6) broken face, dry; very stony loamy coarse sand; 81 percent sand; 15 percent silt; 4 percent clay; structureless massive; soft, very friable, noncoherent, nonsticky, nonplastic; common (1.0) very fine roots around fragments and moderately few (0.5) fine roots around fragments; common (3.0) very fine interstitial pores; 5 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter quartz-diorite fragments observed by visual inspection method and 7 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter quartz-diorite fragments observed by visual inspection method and 25 percent by volume nonflat subangular indurated 250-425-600 millimeter quartz-diorite fragments observed by visual inspection method; 9 NaF pH; noneffervescent, by hcl, 1n; slightly acid, pH 6.3, pH meter. Lab sample # 18N06272; dry when described; observed in pit, small