IDENTIFIERS

  • Current Taxon Name (Soil Name): El Duque
  • OSD
  • Series Extent
  • User Site ID: S10PR037001
  • User Pedon ID: S2010PR037001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 10N1051
  • NCSS Pedon Lab Data NASIS Record ID - 55624
  • Print Date: 12/12/2024

    • 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: 18.2698333
  • Std. Longitude: -65.7597222
  • Datum: WGS84
  • State: Puerto Rico
  • MLRA: 270—Humid Mountains and Valleys
  • Non-MLRA Soil Survey Area: PR700—El Yunque National Forest, Puerto Rico
  • 7.5 Minute USGS Quad: TPR0022—El Yunque, Puerto Rico

    • PEDON

  • Describers Name: SRT/JLL
  • Current Taxonomic Class: Fine-loamy, kaolinitic, isothermic, shallow Humic Haplaquox
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - El Duque
  • Taxonomic Class - Fine-loamy, kaolinitic, isothermic, shallow Humic Haplaquox
  • Classificaton Date - 3/10/2010
  • Soil Taxonomic Edition - tenth edition
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum
  • Landscape: Luquillo mountain range
  • Landform: mountain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/10/2010 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
    • Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    3/10/2010

    51

    —

    19
    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

    10

    —

    —

    1025

    —

    80

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —
    Oe—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2) mucky peat; 21.0 very fine to coarse roots; fragments; strongly acid, pH 5.5, hellige-truog; abrupt irregular boundary.; observed in pit, small
    A—5 to 30 centimeters (2.0 to 11.8 inches); very dark grayish brown (10YR 3/2) clay loam; moderate medium subangular blocky structure; friable, nonsticky, moderately plastic; 21.0 very fine and fine roots and 0.5 medium roots; 21.0 very fine and fine irregular and 0.5 medium irregular pores; fragments; positive to alpha-alpha dipyridyl; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # 10N05137; observed in pit, small
    Bw1—30 to 56 centimeters (11.8 to 22.0 inches); olive (5Y 4/3) and pale yellow (5Y 7/4) silty clay loam; weak fine and medium subangular blocky structure; firm, moderately sticky, moderately plastic; 3.0 very fine and fine roots; 3.0 fine irregular pores; 10 percent yellowish brown (10YR 5/6) masses of oxidized iron and 10 percent greenish gray (10Y 6/1) iron depletions; fragments; positive to alpha-alpha dipyridyl; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 10N05138; observed in pit, small
    Bw2—56 to 76 centimeters (22.0 to 29.9 inches);, light olive brown (2.5Y 5/4) and pale olive (5Y 6/4), dry; silty clay; weak fine and medium subangular blocky structure; firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 3.0 fine irregular pores; 10 percent brownish yellow (10YR 6/6) masses of oxidized iron and 10 percent light greenish gray (10Y 7/1) iron depletions; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 10N05139; observed in pit, small
    BC—76 to 104 centimeters (29.9 to 40.9 inches);, light yellowish brown (2.5Y 6/4) and brownish yellow (10YR 6/6), dry; silty clay; massive; firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine and fine irregular pores; red (2.5YR 4/6) masses of oxidized iron and greenish gray (10Y 6/1) and grayish brown (2.5Y 5/2) iron depletions; fragments; neutral, pH 7.0, hellige-truog; abrupt irregular boundary. Lab sample # 10N05140; observed in pit, small
    R—104 centimeters (40.9 inches); fragments.; observed in pit, small