IDENTIFIERS

  • Current Taxon Name (Soil Name): Coloso
  • OSD
  • Series Extent
  • User Site ID: S1993PR119012
  • User Pedon ID: 93PR119012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0442
  • NCSS Pedon Lab Data NASIS Record ID - 65785
  • Print Date: 11/24/2024

    • 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: 18.3270283
  • Std. Longitude: -65.8161087
  • Datum: WGS84
  • Location Description: 300 cm east and 200 cm north of 07.15.44 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 #: 12
  • Sampled As Information:
  • Soil Name - Coloso
  • Taxonomic Class - Fine, mixed, nonacid Aeric Tropaquepts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/25/1993
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: hanging valley
  • Microfeature: tree-tip mound
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: toeslope
  • Slope Position: on a slope
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: frequent flooding
  • Ponding: none ponding
  • Surface Fragments: 5.00 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

    0—10

    —-
    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

    3

    —

    —

    369

    —

    40

    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 # 93P03347; moist when described;
    A—1 to 11 centimeters (0.4 to 4.3 inches); brown (7.5YR 4/4) clay; weak fine and medium granular structure; friable; 6.0 medium roots throughout and 6.0 fine roots throughout and 2.0 coarse roots throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 93P03348; moist when described;
    Bw1—11 to 27 centimeters (4.3 to 10.6 inches); strong brown (7.5YR 4/6) clay; moderate fine and medium subangular blocky structure; friable; 6.0 medium roots throughout and 6.0 fine roots throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 93P03349; moist when described;
    Bw2—27 to 39 centimeters (10.6 to 15.4 inches); strong brown (7.5YR 4/6) clay; 1 percent grayish brown (2.5Y 5/2) fine distinct mottles; moderate medium subangular blocky structure; friable; 2.0 medium roots throughout and 2.0 fine roots throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 93P03350; moist when described;
    Bw3—39 to 50 centimeters (15.4 to 19.7 inches); strong brown (7.5YR 4/6) clay; 25 percent red (2.5YR 4/6) fine prominent and 25 percent weak red (2.5YR 5/2) fine prominent and 25 percent gray (5Y 5/1) fine prominent mottles; moderate medium subangular blocky structure; friable; 2.0 medium roots throughout and 2.0 fine roots throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 93P03351; moist when described;
    Bg—50 to 71 centimeters (19.7 to 28.0 inches); greenish gray (5GY 5/1) clay; 25 percent dark red (2.5YR 3/6) coarse prominent and 25 percent yellowish red (5YR 5/6) coarse prominent mottles; weak coarse subangular blocky structure; friable, slightly sticky, slightly plastic; 2.0 medium roots throughout and 2.0 fine roots throughout; 20 percent prominent yellowish red (5YR 4/6) coats in root channels and/or pores; 25 percent coarse olive gray (5Y 5/2) worm casts throughout and 25 percent coarse olive (5Y 5/4) worm casts throughout and 25 percent coarse red (2.5YR 4/6) worm casts throughout and 25 percent coarse greenish gray (5GY 5/1) worm casts throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 93P03352; wet when described;
    Cg—71 to 151 centimeters (28.0 to 59.4 inches); greenish gray (5GY 5/1) clay; 25 percent dark red (2.5YR 3/6) coarse prominent and 25 percent yellowish red (5YR 5/6) coarse prominent mottles; massive; friable, slightly sticky, slightly plastic; 20 percent prominent yellowish red (5YR 4/6) coats in root channels and/or pores; 25 percent coarse reddish gray (5YR 5/2) worm casts throughout and 25 percent coarse reddish brown (5YR 5/4) worm casts throughout and 25 percent coarse red (2.5YR 4/6) worm casts throughout and 25 percent coarse greenish gray (5GY 5/1) worm casts throughout; 1 percent by volume 2-39-75 millimeter unspecified fragments. Lab sample # 93P03353; wet when described;