IDENTIFIERS

  • Current Taxon Name (Soil Name): Zarzal
  • OSD
  • Series Extent
  • User Site ID: S1993PR119015
  • User Pedon ID: 93PR119015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0445
  • NCSS Pedon Lab Data NASIS Record ID - 65788
  • Print Date: 11/21/2024

    • 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: 18.3280277
  • Std. Longitude: -65.8141632
  • Datum: WGS84
  • Location Description: 50 cm west and 160 cm south of 16.23.33 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, Xioaming Zou, 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 #: 15
  • 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: 20.00 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—155

    —-

    —-
    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

    12

    —

    —

    372

    —

    180

    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 # 93P03365; moist when described;
    A—1 to 6 centimeters (0.4 to 2.4 inches); brown (7.5YR 4/4) clay; weak fine and medium granular structure; friable; 6.0 very fine and fine roots throughout and 3.0 medium roots throughout; fragments; clear smooth boundary. Lab sample # 93P03366; moist when described;
    Bo1—6 to 31 centimeters (2.4 to 12.2 inches); strong brown (7.5YR 5/6) clay; weak medium subangular blocky structure; friable; 3.0 very fine and fine roots throughout and 0.5 medium roots throughout and 1.0 coarse roots throughout; 25 percent medium irregular black (10YR 2/1) iron-manganese masses throughout; 35 percent coarse dark brown (7.5YR 3/2) worm casts throughout and 35 percent coarse black (N 2/0) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03367; moist when described;
    Bo2—31 to 49 centimeters (12.2 to 19.3 inches); strong brown (7.5YR 5/6) clay; weak medium subangular blocky structure; friable; 3.0 very fine and fine roots throughout; 25 percent medium irregular black (10YR 2/1) iron-manganese masses throughout; 25 percent coarse dark brown (7.5YR 3/2) worm casts throughout and 25 percent coarse black (N 2/0) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03368; moist when described;
    Bo3—49 to 111 centimeters (19.3 to 43.7 inches); 80 percent brown (7.5YR 5/4) and 20 percent light brown (7.5YR 6/3) clay; 2 percent light gray (10YR 7/1) fine prominent mottles; weak medium subangular blocky structure; friable; 0.5 very fine and fine roots throughout; 55 percent medium irregular black (10YR 2/1) iron-manganese masses throughout; fragments; clear smooth boundary. Lab sample # 93P03369; moist when described;
    Bo4—111 to 156 centimeters (43.7 to 61.4 inches); 60 percent reddish brown (5YR 4/4) and 30 percent red (2.5YR 4/6) and 10 percent light brown (7.5YR 6/3) clay; 2 percent light gray (10YR 7/1) fine prominent mottles; weak coarse subangular blocky structure; friable; 0.5 very fine and fine roots throughout; 5 percent fine irregular black (10YR 2/1) iron-manganese masses throughout; fragments. Lab sample # 93P03370; moist when described;