IDENTIFIERS

  • Current Taxon Name (Soil Name): Ngardmau
  • OSD
  • Series Extent
  • User Site ID: S03PW002004
  • User Pedon ID: S03PW002004
  • Vegetation Plot ID: S03PW002004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N0699
  • NCSS Pedon Lab Data NASIS Record ID - 16154
  • 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: 7.4346889
  • Std. Longitude: 134.5226611
  • Datum: WGS84
  • State: Palau
  • County: PW002—Aimeliik
  • PEDON

  • Describers Name: Gavenda
  • Current Taxonomic Class: Very-fine, parasesquic, isohyperthermic Oxic Dystrudepts
  • Pedon Record Orgin: NASIS
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Ngardmau
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/30/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - perudic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Ngardmau
  • Classificaton Date - 4/18/2003
  • Dynamic Soil Properties:
  • Erosion Class - 4
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: saprolite derived from basalt over andesite over tuff breccia over bedded tuff
  • Landscape: island, upland
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: very high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Babelthaub/aimeliik formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/18/2003 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - barren land
  • Site Obs. Cover Kind 2 - tropical
  • 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

    CAREX

    Carex

    sedge

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

    cambic horizon

    ochric epipedon

    —-

    —-

    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

    360

    50

    3685

    365

    27

    A—0 to 4 centimeters (0.0 to 1.6 inches); dark yellowish brown (10YR 3/4), dark yellowish brown (10YR 4/4), dry; sandy loam; 10 percent sand; 56 percent silt; 34 percent clay; strong very fine subangular blocky structure; loose, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots throughout and 2.0 medium roots throughout; 3.0 very fine dendritic tubular pores; fragments; abrupt wavy boundary. Lab sample # 03N03382
    Bo—4 to 17 centimeters (1.6 to 6.7 inches); strong brown (7.5YR 4/6) silty clay; 10 percent sand; 56 percent silt; 34 percent clay; moderate medium subangular blocky parts to strong medium granular structure; friable, moderately sticky, moderately plastic; 2.0 very fine and fine roots throughout and 1.0 medium roots throughout; 3.0 very fine dendritic tubular pores; fragments; abrupt smooth boundary. Lab sample # 03N03383
    2Bt1—17 to 39 centimeters (6.7 to 15.4 inches); yellowish red (5YR 4/6) clay; 10 percent sand; 56 percent silt; 34 percent clay; moderate coarse prismatic structure; firm, very sticky, moderately plastic; 1.0 very fine roots throughout; 2.0 very fine dendritic tubular pores; fragments; clear wavy boundary. Lab sample # 03N03384
    2Bt2—39 to 60 centimeters (15.4 to 23.6 inches); 80 percent strong brown (7.5YR 4/6) and 18 percent brownish yellow (10YR 6/8) and 2 percent dark yellowish brown (10YR 4/6) clay; 10 percent sand; 56 percent silt; 34 percent clay; moderate medium and coarse subangular blocky structure; firm, very sticky, moderately plastic; 1.0 very fine roots throughout; 2.0 very fine dendritic tubular pores; fragments. Lab sample # 03N03385