IDENTIFIERS

  • Current Taxon Name (Soil Name): MAHO BAY
  • OSD
  • Series Extent
  • User Site ID: S1991VI020006
  • User Pedon ID: 91VI020006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P1194
  • NCSS Pedon Lab Data NASIS Record ID - 64230
  • Print Date: 4/29/2025

    • 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: 18.3702774
  • Std. Longitude: -64.7469406
  • Datum: WGS84
  • Location Description: St. John, USVI, University of Wisconsin research plot by solar panel
  • State: Virgin Islands
  • MLRA: 27—Fallon-Lovelock Area
  • Non-MLRA Soil Survey Area: VI690—Virgin Islands of the United States

    • PEDON

  • Describers Name: WL,GR
  • Current Taxonomic Class: Loamy, mixed, isohyperthermic, shallow Typic Haplustolls
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - MAHO BAY
  • PSC - 0 to 33 cm.
  • Classificaton Date - 1/27/2010
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Maho Bay
  • Taxonomic Class - Loamy, mixed, isohyperthermic, shallow Typic Haplu
  • Taxon Kind - series
  • Classificaton Date - 9/7/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/7/1991 (actual site observation date)
  • Air Photo ID: 91052
  • Microrelief Elevation: 2
  • 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

    mollic epipedon

    paralithic contact

    0—84

    84—84

    —-

    —-
    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

    35

    381

    229

    30

    —

    170

    1118

    —

    —

    26.1

    27.2

    25

    26.1

    27.2

    25

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); partially decomposed organic matter; fragments; abrupt smooth boundary.; moist when described;
    A—1 to 8 centimeters (0.4 to 3.1 inches); very dark grayish brown (10YR 3/2) exterior and very dark brown (10YR 2/2) crushed, very dark grayish brown (10YR 3/2), dry; loam; moderate very fine and fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 10.0 very fine and fine roots throughout; fragments; abrupt smooth boundary. Lab sample # 91P07962; moist when described;
    AB—8 to 20 centimeters (3.1 to 7.9 inches); very dark grayish brown (10YR 3/2) exterior and very dark brown (10YR 2/2) crushed, brown (7.5YR 4/2), dry; loam; moderate fine and medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 very fine and fine roots throughout; 10 percent medium cylindrical insect casts and 10 percent medium cylindrical worm nodules; fragments; clear smooth boundary. Lab sample # 91P07963; dry when described;
    Bw—20 to 34 centimeters (7.9 to 13.4 inches); black (10YR 2/1) exterior and very dark gray (10YR 3/1) crushed, very dark grayish brown (10YR 3/2), dry; loam; strong fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 very fine and fine roots throughout; 10 percent medium cylindrical insect casts and 10 percent medium cylindrical worm nodules; fragments; abrupt wavy boundary. Lab sample # 91P07964; dry when described;
    Cr—34 to 34 centimeters (13.4 to 13.4 inches); weathered bedrock; massive; fragments.; dry when described;