IDENTIFIERS

  • Current Taxon Name (Soil Name): Matanzas
  • OSD
  • Series Extent
  • User Site ID: S1987PR007002
  • User Pedon ID: 87PR007002
  • Vegetation Plot ID: S1987PR007002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0293
  • NCSS Pedon Lab Data NASIS Record ID - 59588
  • Print Date: 4/22/2025

    • 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: 18.4661102
  • Std. Longitude: -67.1633301
  • Datum: WGS84
  • Location Description: Puerto Rico; Noroeste SWCD, 0.5 mi N of HWY 107 from Junction of HWY458 & 0.7 mi W of paved Rd 30 meters E in pasture.
  • Country: US—United States
  • State: Puerto Rico
  • County: PR005—Aguadilla
  • MLRA: 272—Humid Coastal Plains
  • Regional Office: SE—Southeast
  • Non-MLRA Soil Survey Area: PR684—Mayaguez Area, Puerto Rico Western Part

    • PEDON

  • Describers Name: D. Williams, G. Acevedo, W. Lynn
  • Current Taxonomic Class: Clayey, kaolinitic, isohyperthermic Lithic Eutrudox
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: 3-MAZ Copied
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Matanzas
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/24/2021
  • Classifier - Samuel Rios
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Matanzas
  • Taxonomic Class - Very-fine, kaolinitic Rhodic Eutrudox
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/1/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey residuum weathered from limestone
  • Landscape: coastal plain
  • Landform: karstic marine terrace, karst valley
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: toeslope
  • Slope Position: middle third
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: limestone, unspecified at 140cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1987 (actual site observation date)
  • Data Collector: D. Williams, G. Acevedo, W. Lynn
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    URMA3

    Urochloa maxima

    guineagrass

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    oxic horizon

    lithic contact

    0—10

    10—140

    140—0

    —-

    —-

    —-
    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

    —

    —

    38

    —

    270

    —

    —

    —

    25

    27

    24

    28

    30

    27

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark reddish brown (2.5YR 3/4) interior clay; weak fine granular structure; very hard, firm, moderately sticky, moderately plastic; 5.5 fine roots throughout; 0.5 fine tubular pores; fragments; neutral, pH 7.2, phenol red; abrupt smooth boundary. Lab sample # 87P01458; dry when described;. many fine roots throughout
    Bo1—10 to 34 centimeters (3.9 to 13.4 inches); dark red (10R 3/6) interior clay; weak fine granular, and weak coarse prismatic, and weak fine subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 2.5 fine roots throughout; 0.5 fine tubular pores; 55 percent faint dark red (10R 3/6) coats on all faces of peds; fragments; very strongly alkaline, pH 9.4, phenol red; clear smooth boundary. Lab sample # 87P01459; dry when described;. many coats surface features on vertical and horizontal faces of peds; common fine roots throughout; continuous - phpvsfiid 1657084; continuous - phpvsfiid 1657084
    Bo2—34 to 63 centimeters (13.4 to 24.8 inches); dark red (10R 3/6) interior clay; weak fine subangular blocky, and weak fine granular, and weak coarse prismatic structure; hard, friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 fine tubular pores; 37 percent faint dark red (10R 3/6) coats on all faces of peds; fragments; slightly alkaline, pH 7.4, phenol red; gradual boundary. Lab sample # 87P01460; dry when described;. common coats surface features on vertical and horizontal faces of peds; few fine roots throughout; discontinuous - phpvsfiid 1657086; discontinuous - phpvsfiid 1657086
    Bo3—63 to 105 centimeters (24.8 to 41.3 inches); dark red (10R 3/6) interior clay; weak fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 fine tubular pores; 37 percent faint dark red (10R 3/6), moist, coats on all faces of peds; fragments; slightly alkaline, pH 7.4, phenol red; gradual boundary. Lab sample # 87P01461; moist when described;. common coats surface features on vertical and horizontal faces of peds; few fine roots throughout; discontinuous - phpvsfiid 1657083; discontinuous - phpvsfiid 1657083
    Bo4—105 to 140 centimeters (41.3 to 55.1 inches); dark red (10R 3/6) interior clay; weak fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 fine tubular pores; 37 percent faint dark red (10R 3/6) coats on all faces of peds; fragments; neutral, pH 7.2, phenol red; abrupt boundary. Lab sample # 87P01462; dry when described;. common coats surface features on vertical and horizontal faces of peds; few fine roots throughout; discontinuous - phpvsfiid 1657085; discontinuous - phpvsfiid 1657085
    R—140 to 203 centimeters (55.1 to 79.9 inches); bedrock; fragments. Hard limestone bedrock ranged from 82 to 175 cm in depth.