IDENTIFIERS

  • Current Taxon Name (Soil Name): Zarzal
  • OSD
  • Series Extent
  • User Site ID: S1993PR119013
  • User Pedon ID: 93PR119013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0443
  • NCSS Pedon Lab Data NASIS Record ID - 65786
  • Print Date: 2/16/2025
  • 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: 18.3266659
  • Std. Longitude: -65.8161087
  • Datum: WGS84
  • Location Description: 150 cm south of 11.16.44 on the El Verde LTER, Caribbean National Forest.
  • State: Puerto Rico
  • MLRA: 270—Humid Mountains and Valleys
  • Non-MLRA Soil Survey Area: PR700—El Yunque National Forest, Puerto Rico
  • PEDON

  • Describers Name: John Davis, Roy Vick, Warren Lynn, Bruce Dubee, and Henry Mount
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 13
  • Sampled As Information:
  • Soil Name - Zarzal
  • Taxonomic Class - Very-fine, kaolinitic Typic Kandiudox
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/25/1993
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: mountains
  • Landform: mountainside
  • Microfeature: tree-tip mound
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: on a slope
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 22.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/25/1993 (actual site observation date)
  • Microrelief Elevation: 15
  • Plant Association Name: Tabanuco Forest
  • 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
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    oxic horizon

    0—5

    5—120

    —-

    —-

    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

    13

    378

    0

    2032

    Oi—0 to 1 centimeters (0.0 to 0.4 inches); dark brown (7.5YR 3/2) Error; loose; fragments; abrupt smooth boundary. Lab sample # 93P03354; moist when described;
    A—1 to 6 centimeters (0.4 to 2.4 inches); brown (7.5YR 4/3) clay; moderate fine and medium granular structure; friable; 6.0 very fine and fine roots throughout; fragments; clear smooth boundary. Lab sample # 93P03355; moist when described;
    Bo1—6 to 33 centimeters (2.4 to 13.0 inches); strong brown (7.5YR 5/6) clay; moderate medium subangular blocky structure; friable; 3.0 very fine and fine roots throughout and 2.0 medium roots throughout; 5 percent coarse dark brown (7.5YR 3/2) worm casts throughout and 5 percent coarse dark yellowish brown (10YR 4/4) worm casts throughout; fragments; gradual smooth boundary. Lab sample # 93P03356; moist when described;
    Bo2—33 to 57 centimeters (13.0 to 22.4 inches); strong brown (7.5YR 5/6) clay; 25 percent yellowish red (5YR 5/6) coarse distinct mottles; moderate medium subangular blocky structure; friable; 0.5 very fine and fine roots throughout; 2 percent fine irregular black (10YR 2/1) iron-manganese masses throughout; 2 percent coarse dark brown (7.5YR 3/2) worm casts throughout and 2 percent coarse dark yellowish brown (10YR 4/4) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03357; moist when described;
    Bo3—57 to 101 centimeters (22.4 to 39.8 inches); strong brown (7.5YR 5/8) clay; 1 percent light gray (10YR 7/1) fine faint and 25 percent yellowish red (5YR 5/6) coarse distinct mottles; moderate medium subangular blocky structure; friable; 0.5 very fine and fine roots throughout; fragments; gradual smooth boundary. Lab sample # 93P03358; moist when described;
    Bo4—101 to 121 centimeters (39.8 to 47.6 inches); strong brown (7.5YR 5/8) clay; 1 percent light gray (10YR 7/1) fine distinct and 25 percent yellowish red (5YR 5/6) coarse distinct mottles; weak coarse subangular blocky structure; friable; 0.5 fine roots throughout; fragments; abrupt smooth boundary. Lab sample # 93P03359; moist when described;
    Cr—121 to 126 centimeters (47.6 to 49.6 inches); brownish yellow (10YR 6/6) weathered bedrock; 5 percent light gray (10YR 7/1) fine prominent mottles; massive; rigid; fragments.; moist when described;. no sample.