IDENTIFIERS

  • Current Taxon Name (Soil Name): Bidart
  • OSD
  • Series Extent
  • User Site ID: S2004CA017003
  • User Pedon ID: 04CA017003
  • Vegetation Plot ID: S2004CA017003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 05N0022
  • NCSS Pedon Lab Data NASIS Record ID - 17325
  • Print Date: 2/17/2025
  • 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: 38.9242668
  • Std. Longitude: -119.9165802
  • Datum: WGS84
  • Township: 12 north
  • Range: 18 east
  • Section: 1
  • PLSS Details: southwest 1/4 of the northeast 1/4
  • Map Unit: 9001—Bidart complex, 0 to 2 percent slopes
  • Country: US—United States
  • State: California
  • County: CA017—El Dorado
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA693—Tahoe Basin Area, California and Nevada
  • 7.5 Minute USGS Quad: 38119-H8—South Lake Tahoe, California
  • PEDON

  • Describers Name: Kevin Connelly
  • Current Taxonomic Class: Sandy, mixed Typic Cryaquents
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Bidart
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/3/2015
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Loamy alluvial land
  • Taxonomic Class - Coarse-loamy, mixed, frigid Typic Hydraquents
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/16/2004
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: residuum weathered from granite
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Surface Fragments: 20.00 percent nonflat subangular 2- to 76-millimeter mixed,
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/16/2004 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - marshland
  • 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

    ALLIU

    CASTI2

    PICO

    Allium

    Castilleja

    Pinus contorta

    onion

    Indian paintbrush

    lodgepole pine

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

    umbric epipedon

    8—32

    —-

    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

    4

    2605

    315

    518

    Heavenly Valley

    SNOTEL

    Oi—0 to 4 centimeters (0.0 to 1.6 inches); fragments; abrupt smooth boundary.; observed in pit, small
    Oe—4 to 8 centimeters (1.6 to 3.1 inches); fragments; abrupt smooth boundary.; observed in pit, small
    A1—8 to 19 centimeters (3.1 to 7.5 inches); very dark brown (10YR 2/2) gravelly loamy coarse sand; 11 percent clay; weak fine subangular blocky, and weak very fine subangular blocky structure; friable, nonsticky, nonplastic; 5.0 very fine roots and 5.0 medium roots and 3.0 fine roots and 8.0 coarse roots; 5.0 very fine interstitial and 5.0 fine interstitial pores; 20 percent by volume subangular 2-?-76 millimeter unspecified fragments; strongly acid, pH 5.4; clear wavy boundary.; observed in pit, small
    A2—19 to 32 centimeters (7.5 to 12.6 inches); very dark grayish brown (10YR 3/2) gravelly loamy coarse sand; 12 percent clay; weak fine subangular blocky, and weak very fine subangular blocky structure; friable, nonsticky, nonplastic; 5.0 very fine roots and 8.0 medium roots and 2.0 fine roots; 5.0 very fine interstitial and 5.0 fine tubular and 5.0 fine interstitial pores; 20 percent by volume subangular 2-?-76 millimeter unspecified fragments; moderately acid, pH 5.8; clear wavy boundary.; observed in pit, small
    Bw—32 to 53 centimeters (12.6 to 20.9 inches); dark grayish brown (10YR 4/2) gravelly loamy coarse sand; 10 percent clay; strong brown (7.5YR 4/6) mottles; moderate coarse subangular blocky, and moderate medium subangular blocky structure; friable, nonsticky, nonplastic; 0.2 very fine roots and 6.0 medium roots and 0.2 fine roots; 2.0 fine tubular pores; 22 percent by volume subangular 2-?-76 millimeter unspecified fragments; moderately acid, pH 5.8; clear wavy boundary.; observed in pit, small. There's an impediment to the medium roots at the bottom of the horizon.
    BC—53 to 68 centimeters (20.9 to 26.8 inches); very dark grayish brown (10YR 3/2) loamy coarse sand; 9 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; friable, nonsticky, nonplastic; 0.2 very fine roots and 1.0 medium roots; 2.0 fine tubular pores; 13 percent by volume subangular 2-?-76 millimeter unspecified fragments; slightly acid, pH 6.2; clear wavy boundary.; observed in pit, small. not mottled
    C—68 to 78 centimeters (26.8 to 30.7 inches); fragments.; observed in pit, small