IDENTIFIERS

  • Current Taxon Name (Soil Name): Benedicto
  • OSD
  • Series Extent
  • User Site ID: 99MP090025
  • User Pedon ID: S99MP090025
  • Vegetation Plot ID: 99PB646-003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 00P0165
  • NCSS Pedon Lab Data NASIS Record ID - 11673
  • Print Date: 11/21/2024

    • 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: 16.3650000
  • Std. Longitude: 145.6454917
  • Datum: WGS84
  • Location Description: On a south facing, 2 percent slope in a hibiscus jungle at an elevation of 203 feet on Anatahan Island.
  • State: Northern Mariana Islands
  • Non-MLRA Soil Survey Area: PB646—Islands of Agrigan, Alamagan, Anatahan, Pagan, and Sarigan, Commonwealth of the Northern Marianas Islands

    • PEDON

  • Describers Name: Gary Parks, Steve Carlisle, Ben Santos
  • Current Taxonomic Class: Fine, isotic, superactive, nonacid, isohyperthermic Aquandic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Benedicto
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/21/2012
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Benedicto
  • Classificaton Date - 5/3/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: andesitic volcanic ash
  • Landscape: basin
  • Landform: stratovolcano on island
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: very rare flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/3/1999 (actual site observation date)
  • Air Photo ID: Anatahan
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - tropical
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - rain
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    HIBIS2

    Hibiscus

    rosemallow

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    densic material

    moderately coherent

    23 - 41

    2 - 18 - 25
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    aquic conditions

    ochric epipedon

    densic materials

    0—152

    0—9

    23—41

    0—23—152

    8—17—25

    2—18—25
    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

    2

    —

    —

    669

    —

    180

    2030

    —

    365

    25

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); black (2.5Y 2.5/1) interior silt loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; hard, friable, nonsticky, nonplastic; moderately smeary; moderate permeability; 3.0 medium roots throughout and 4.0 fine roots throughout; 3.0 fine high-continuity dendritic tubular and 3.0 fine high-continuity dendritic tubular pores; 0 percent by volume unspecified fragments; noneffervescent; neutral, pH 6.8, bromthymol blue; clear wavy boundary. Lab sample # 00P01294; moist when described; observed in pit, small
    Bw—10 to 23 centimeters (3.9 to 9.1 inches); very dark grayish brown (2.5Y 3/2) interior silt loam; weak fine subangular blocky, and weak medium subangular blocky structure; moderately hard, very friable, slightly sticky, nonplastic; weakly smeary; moderate permeability; 1.0 medium roots throughout; 3.0 very fine high-continuity dendritic tubular and 4.0 fine high-continuity dendritic tubular pores; 20 percent medium prominent irregular noncoherent cemented brown (7.5YR 4/4), moist, masses of oxidized iron with diffuse boundaries between peds; 0 percent by volume unspecified fragments; noneffervescent; neutral, pH 6.8, bromthymol blue; gradual wavy boundary. Lab sample # 00P01295; moist when described; observed in pit, small
    Bd—23 to 41 centimeters (9.1 to 16.1 inches); dark grayish brown (2.5Y 4/2) interior ashy silt loam; weak fine platy, and weak medium platy parts to weak fine subangular blocky, and weak medium subangular blocky structure; extremely hard, friable, moderately coherent by silica, slightly sticky, slightly plastic; strongly smeary; moderately slow permeability; 1.0 fine roots throughout; 1.0 medium low-continuity vesicular and 1.0 fine low-continuity vesicular pores; 0 percent by volume unspecified fragments; noneffervescent; neutral, pH 7.0, bromthymol blue; clear wavy boundary. Lab sample # 00P01296; moist when described; observed in pit, small
    2Bw2—41 to 64 centimeters (16.1 to 25.2 inches); dark gray (2.5Y 4/1) interior ashy silt loam; weak medium prismatic parts to weak medium platy structure; extremely hard, firm, slightly sticky, slightly plastic; strongly smeary; moderate permeability; 1.0 medium roots throughout; 20 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries between peds; 0 percent by volume unspecified fragments; noneffervescent; neutral, pH 6.8, bromthymol blue; clear wavy boundary. Lab sample # 00P01297; moist when described; observed in pit, small
    2Bw3—64 to 153 centimeters (25.2 to 60.2 inches); dark grayish brown (2.5Y 4/2) interior silt loam; strong coarse prismatic structure; extremely hard, firm, slightly sticky, slightly plastic; strongly smeary; moderate permeability; 20 percent medium prominent irregular noncoherent cemented brown (7.5YR 4/4), moist, masses of oxidized iron with diffuse boundaries between peds; 0 percent by volume unspecified fragments; noneffervescent; neutral, pH 6.8, bromthymol blue. Lab sample # 00P01298; moist when described; observed in pit, small