IDENTIFIERS

  • Current Taxon Name (Soil Name): Cristal
  • OSD
  • Series Extent
  • User Site ID: S1993PR119005
  • User Pedon ID: 93PR119005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0435
  • NCSS Pedon Lab Data NASIS Record ID - 65778
  • Print Date: 12/4/2024

    • 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: 18.3251953
  • Std. Longitude: -65.8168640
  • Datum: WGS84
  • Location Description: 187 cm east and 37 cm north of 03.08.43 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: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Sampled As Information:
  • Soil Name - Cristal
  • Taxonomic Class - Very-fine, kaolinitic Lithic Kandiudox
  • PSC - 25 to 60 cm.
  • Classificaton Date - 2/24/1993
  • 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: 30.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/24/1993 (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

    lithic contact

    0—5

    5—60

    60—0

    —-

    —-

    —-
    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

    20

    —

    —

    371

    —

    280

    2032

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); black (10YR 2/1) Error; loose; fragments; abrupt smooth boundary. Lab sample # 93P03313; moist when described;. common large (7 cm diameter) live roots on surface.
    AB—3 to 10 centimeters (1.2 to 3.9 inches); yellowish brown (10YR 5/6) clay; moderate medium subangular blocky structure; friable; 3.0 medium roots throughout and 2.0 fine roots throughout; 25 percent distinct very dark brown (10YR 2/2) organic stains throughout; 1 percent by volume 75-162-250 millimeter unspecified fragments; clear smooth boundary. Lab sample # 93P03314; moist when described;
    Bo1—10 to 31 centimeters (3.9 to 12.2 inches); yellowish brown (10YR 5/6) clay; 1 percent yellowish brown (10YR 5/8) fine faint mottles; moderate medium subangular blocky structure; friable; 2.0 medium roots throughout and 1.0 fine roots throughout; 10 percent coarse dark yellowish brown (10YR 4/4) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03315; moist when described;
    Bo2—31 to 63 centimeters (12.2 to 24.8 inches); yellowish brown (10YR 5/6) clay; 2 percent light gray (10YR 7/1) fine prominent mottles; moderate medium subangular blocky structure; friable; 1.0 very fine roots throughout and 2.0 fine roots throughout; 1 percent coarse dark yellowish brown (10YR 4/4) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03316; moist when described;
    R—63 to 88 centimeters (24.8 to 34.6 inches); unweathered bedrock; massive; fragments. no sample.