IDENTIFIERS

  • Current Taxon Name (Soil Name): Cristal
  • OSD
  • Series Extent
  • User Site ID: S1993PR119007
  • User Pedon ID: 93PR119007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0437
  • NCSS Pedon Lab Data NASIS Record ID - 65780
  • Print Date: 12/11/2024

    • 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: 18.3259716
  • Std. Longitude: -65.8152771
  • Datum: WGS84
  • Location Description: 50 cm west and 200 cm south of 12.10.33 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, 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 #: 7
  • Sampled As Information:
  • Soil Name - Cristal
  • Taxonomic Class - Clayey, mixed Aquic Haplohumults
  • PSC - 8 to 58 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: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 25.00 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: wind and water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—8

    8—58

    —-

    —-
    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

    5

    —

    —

    394

    —

    310

    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 # 93P03322; moist when described;
    AB—1 to 9 centimeters (0.4 to 3.5 inches); yellowish brown (10YR 5/6) clay; 1 percent strong brown (7.5YR 5/6) fine faint and 1 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate fine and medium subangular blocky structure; friable; 1.0 medium roots throughout and 2.0 fine roots throughout; 10 percent distinct very dark brown (10YR 2/2) coats in root channels and/or pores; 20 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 93P03323; moist when described;
    Bo1—9 to 20 centimeters (3.5 to 7.9 inches); yellowish brown (10YR 5/8) clay; 5 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate medium subangular blocky structure; friable; 2.0 fine roots throughout; 1 percent coarse light olive brown (2.5Y 5/3) worm casts throughout; fragments; clear wavy boundary. Lab sample # 93P03324; moist when described;
    Bo2—20 to 26 centimeters (7.9 to 10.2 inches); yellowish brown (10YR 5/8) clay; 5 percent light gray (N 7/0) medium distinct and 5 percent light olive brown (2.5Y 5/3) medium distinct and 5 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate medium subangular blocky structure; friable; 25 percent distinct yellowish red (5YR 5/6) coats on faces of peds; 1 percent coarse light olive brown (2.5Y 5/3) worm casts throughout; fragments; clear wavy boundary. Lab sample # 93P03325; moist when described;
    BC1—26 to 56 centimeters (10.2 to 22.0 inches); yellowish brown (10YR 5/8) clay; 25 percent white (10YR 8/1) fine prominent mottles; moderate fine prismatic structure; friable; 10 percent distinct strong brown (7.5YR 5/6) coats on faces of peds; 10 percent medium irregular yellowish brown (10YR 5/8) masses of oxidized iron throughout and 10 percent medium irregular very dark brown (10YR 2/2) iron-manganese masses throughout and 10 percent medium irregular strong brown (7.5YR 5/6) masses of oxidized iron throughout; fragments; clear wavy boundary. Lab sample # 93P03326; moist when described;
    BC2—56 to 126 centimeters (22.0 to 49.6 inches); pale yellow (2.5Y 7/3) and yellowish brown (10YR 5/8) and dark brown (7.5YR 3/4) and black (N 2/0) silty clay loam; weak coarse prismatic structure; friable; fragments. Lab sample # 93P03327; moist when described;. 93P3328