IDENTIFIERS

  • Current Taxon Name (Soil Name): Zarzal
  • OSD
  • Series Extent
  • User Site ID: S1993PR119001
  • User Pedon ID: 93PR119001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0431
  • NCSS Pedon Lab Data NASIS Record ID - 65774
  • 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: 18.3243885
  • Std. Longitude: -65.8150024
  • Datum: WGS84
  • Location Description: 91 cm east and 196 cm north of 08.03.32 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 #: 1
  • Sampled As Information:
  • Soil Name - Zarzal
  • Taxonomic Class - Very-fine, kaolinitic Typic Kandiudox
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/23/1993
  • 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: 9.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/23/1993 (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—90

    —-

    —-
    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

    60

    8

    2

    —

    —

    25

    2032

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); very dark brown (10YR 2/2) Error; very friable; fragments; abrupt smooth boundary. Lab sample # 93P03289; moist when described;
    AB—1 to 6 centimeters (0.4 to 2.4 inches); brown (7.5YR 5/4) clay; 2 percent reddish yellow (7.5YR 6/6) medium faint mottles; moderate medium subangular blocky structure; friable; 1.0 medium roots throughout; 5 percent distinct very dark grayish brown (10YR 3/2) organic stains; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # 93P03290; moist when described;
    Bo1—6 to 24 centimeters (2.4 to 9.4 inches); reddish yellow (7.5YR 6/6) clay; 2 percent reddish yellow (7.5YR 6/8) medium faint mottles; moderate medium subangular blocky structure; friable; 3.0 fine roots throughout; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # 93P03291; moist when described;
    Bo2—24 to 61 centimeters (9.4 to 24.0 inches); yellowish red (5YR 5/6) clay; 5 percent red (2.5YR 4/6) medium faint mottles; moderate medium subangular blocky structure; friable; 3.0 medium roots throughout and 1.0 fine roots throughout; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # 93P03292; moist when described;
    Bo3—61 to 91 centimeters (24.0 to 35.8 inches); yellowish red (5YR 5/6) clay; moderate medium subangular blocky structure; friable; 1.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # 93P03293; moist when described;
    BC—91 to 121 centimeters (35.8 to 47.6 inches); 50 percent yellow (10YR 7/6) and 50 percent yellowish red (5YR 5/6) clay; moderate coarse subangular blocky structure; friable; fragments; slightly acid, pH 6.5, hellige-truog. Lab sample # 93P03294; moist when described;