IDENTIFIERS

  • Current Taxon Name (Soil Name): Cristal
  • OSD
  • Series Extent
  • User Site ID: S1993PR119014
  • User Pedon ID: 93PR119014
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0444
  • NCSS Pedon Lab Data NASIS Record ID - 65787
  • 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: 18.3274174
  • Std. Longitude: -65.8146973
  • Datum: WGS84
  • Location Description: 162 cm west of 13.20.43 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: Roy Vick, Warren Lynn, Henry Mount, Bruce Dubee, and Ziaoming Zou
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 14
  • Sampled As Information:
  • Soil Name - Cristal
  • Taxonomic Class - Clayey, mixed Aquic Haplohumults
  • PSC - 6 to 56 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: 2.00 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

    argillic horizon

    0—6

    6—150

    —-

    —-
    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

    —

    —

    380

    —

    240

    2032

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); very dark brown (10YR 2/2) Error; loose; fragments; abrupt smooth boundary. Lab sample # 93P03360; moist when described;
    A—1 to 7 centimeters (0.4 to 2.8 inches); dark yellowish brown (10YR 4/4) clay; moderate fine and medium subangular blocky structure; friable; 3.0 very fine and fine roots throughout and 0.5 medium roots throughout; fragments; clear smooth boundary. Lab sample # 93P03361; moist when described;
    Bt1—7 to 23 centimeters (2.8 to 9.1 inches); yellowish brown (10YR 5/6) clay; 1 percent grayish brown (2.5Y 5/2) fine distinct mottles; moderate medium subangular blocky structure; friable; 0.5 very fine and fine roots throughout and 0.5 medium roots throughout; 20 percent distinct strong brown (7.5YR 5/6) clay films throughout; 25 percent coarse black (10YR 2/1) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03362; moist when described;
    Bt2—23 to 39 centimeters (9.1 to 15.4 inches); yellowish brown (10YR 5/6) clay; 5 percent grayish brown (2.5Y 5/2) medium distinct mottles; moderate medium subangular blocky structure; friable; 0.5 very fine and fine roots throughout and 0.5 fine and medium roots throughout; 20 percent distinct strong brown (7.5YR 5/6) clay films throughout; 25 percent coarse black (10YR 2/1) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03363; moist when described;
    Bt3—39 to 53 centimeters (15.4 to 20.9 inches); yellowish brown (10YR 5/6) clay; 1 percent light gray (10YR 7/1) fine distinct and 25 percent grayish brown (2.5Y 5/2) medium distinct mottles; moderate medium subangular blocky structure; friable; 0.5 fine roots throughout; 45 percent distinct strong brown (7.5YR 5/6) clay films throughout; 25 percent coarse black (10YR 2/1) worm casts throughout and 10 percent coarse brownish yellow (10YR 6/6) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03364; moist when described;. composite sample 38 to 70 cm.
    Bt4—53 to 151 centimeters (20.9 to 59.4 inches); yellowish brown (10YR 5/6) clay; 25 percent grayish brown (2.5Y 5/2) medium distinct mottles; moderate medium subangular blocky structure; friable; 0.5 fine roots throughout; 35 percent distinct strong brown (7.5YR 5/6) clay films throughout; 15 percent coarse black (10YR 2/1) worm casts throughout and 5 percent coarse brownish yellow (10YR 6/6) worm casts throughout; fragments. Lab sample # 93P03364; moist when described;. composite sample 38 to 70 cm.