IDENTIFIERS

  • Current Taxon Name (Soil Name): Talawa
  • OSD
  • Series Extent
  • User Site ID: S2008CA605072
  • User Pedon ID: S08CA023019
  • Vegetation Plot ID: S2008CA605072
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0576
  • NCSS Pedon Lab Data NASIS Record ID - 20264
  • Print Date: 11/23/2024
  • 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: 41.8035278
  • Std. Longitude: -124.1921692
  • Datum: WGS84
  • Township: 16N
  • Range: 1W
  • Section: 34
  • Location Description: CA Fish & Game Land; east of Lake Earl.
  • Map Unit: 191—Talawa, 0 to 2 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4—California Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 41124-G2—Crescent City, California
  • PEDON

  • Describers Name: Joe Seney & Alaina Frazier
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, nonacid, isomesic Fluvaquentic Humaquepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 72
  • Sampled As Information:
  • Soil Name - Talawa
  • Taxonomic Class - Coarse-loamy, mixed, superactive, nonacid, isomesic Fluvaquentic Humaquepts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/17/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: sandy fluviomarine deposits derived from mixed sources
  • Landscape: coastal plain
  • Landform: drainageways and depressions on marine terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: very high
  • Drainage Class: very poorly
  • Flooding: occasional flooding for brief periods begining in feb
  • Ponding: frequent ponding for long periods begining in jan
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/17/2008 (actual site observation date)
  • Surface Water Kind: none observed
  • Plant Association Name: pasture
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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

    CANU

    CAREX

    JUNCU

    POTEN

    RANUN

    Calamagrostis nutkaensis

    Carex

    Juncus

    Potentilla

    Ranunculus

    Pacific reedgrass

    sedge

    rush

    cinquefoil

    buttercup

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

    umbric epipedon

    aquic conditions

    cambic horizon

    0—52

    0—152

    52—152

    —52—

    —152—

    —100—

    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    6/17/2008

    50

    16

    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

    4

    300

    2000

    300

    10

    14

    9

    Ap1—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; mucky very fine sandy loam; 17 percent clay; weak very fine subangular blocky, and weak medium granular structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; 8.0 very fine roots throughout and 5.0 medium roots throughout and 6.0 fine roots throughout; 5.0 very fine tubular and 2.0 very fine irregular and 2.0 fine irregular and 5.0 fine tubular pores; 5 percent fine prominent irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels; fragments; noneffervescent; strongly acid, pH 5.4, pH indicator strip; clear wavy boundary. Lab sample # 08N03573; moist when described; observed in pit, small
    Ap2—20 to 32 centimeters (7.9 to 12.6 inches); very dark gray (2.5Y 3/1) broken face, grayish brown (2.5Y 5/2) broken face, dry; very fine sandy loam; 16 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots throughout and 4.0 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 2.0 very fine irregular and 1.0 medium tubular and 3.0 fine tubular and 2.0 fine irregular pores; 3 percent fine faint irregular noncoherent cemented dark gray (2.5Y 4/1), moist, iron depletions with diffuse boundaries on surfaces along root channels and 35 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels; fragments; noneffervescent; slightly acid, pH 6.2, pH indicator strip; clear smooth boundary. Lab sample # 08N03574; moist when described; observed in pit, small
    ABg—32 to 52 centimeters (12.6 to 20.5 inches); very dark grayish brown (2.5Y 3/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; very fine sandy loam; 17 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 2.0 very fine roots throughout and 3.0 medium roots throughout and 2.0 fine roots throughout; 2.0 very fine tubular and 2.0 very fine irregular and 2.0 fine irregular and 2.0 fine tubular pores; 8 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels and 8 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels; fragments; noneffervescent; slightly acid, pH 6.5, pH indicator strip; clear wavy boundary. Lab sample # 08N03575; wet when described; observed in pit, small
    Bg1—52 to 75 centimeters (20.5 to 29.5 inches); dark grayish brown (2.5Y 4/2) broken face, light gray (2.5Y 7/2) broken face, dry; very fine sandy loam; 17 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 2.0 very fine roots throughout and 2.0 medium roots throughout and 2.0 fine roots throughout; 1.0 very fine irregular and 2.0 very fine tubular and 2.0 fine tubular and 1.0 fine irregular pores; 25 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels and 25 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels and 35 percent medium distinct irregular noncoherent cemented dark gray (2.5Y 4/1), moist, iron depletions with diffuse boundaries on surfaces along root channels and 35 percent fine distinct irregular noncoherent cemented dark gray (2.5Y 4/1), moist, iron depletions with diffuse boundaries on surfaces along root channels; 1 percent by volume nonflat rounded very strongly coherent cemented 2-38-75 millimeter mixed fragments; noneffervescent; slightly acid, pH 6.4, pH indicator strip; clear wavy boundary. Lab sample # 08N03576; wet when described; observed in pit, small
    Bg2—75 to 99 centimeters (29.5 to 39.0 inches); 30 percent olive brown (2.5Y 4/3) broken face, 70 percent pale yellow (2.5Y 7/3) broken face, dry; sandy loam; 19 percent clay; weak coarse subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 very fine irregular and 1.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular pores; 20 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels and 20 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels and 25 percent medium distinct irregular noncoherent cemented dark grayish brown (2.5Y 4/2), moist, iron depletions with diffuse boundaries on surfaces along root channels and 25 percent fine distinct irregular noncoherent cemented dark grayish brown (2.5Y 4/2), moist, iron depletions with diffuse boundaries on surfaces along root channels; 7 percent by volume nonflat rounded very strongly coherent cemented 2-38-75 millimeter mixed fragments; noneffervescent; slightly acid, pH 6.4, pH indicator strip; gradual smooth boundary. Lab sample # 08N03577; wet when described; observed in pit, small
    Bg3—99 to 152 centimeters (39.0 to 59.8 inches); 30 percent dark grayish brown (2.5Y 4/2) broken face, 70 percent light gray (2.5Y 7/2) broken face, dry; sandy loam; 16 percent clay; structureless massive; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout and 1.0 medium roots throughout and 0.1 fine roots throughout; 1.0 very fine irregular and 1.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular pores; 3 percent medium prominent irregular noncoherent cemented black (N 2.5/), moist, manganese masses in matrix and 3 percent fine prominent irregular noncoherent cemented black (N 2.5/), moist, manganese masses in matrix and 15 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels and 15 percent coarse prominent irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels; 10 percent by volume nonflat rounded very strongly coherent cemented 2-38-75 millimeter mixed fragments; noneffervescent; slightly acid, pH 6.3, pH indicator strip. Lab sample # 08N03578; wet when described; observed in pit, small