IDENTIFIERS

  • Current Taxon Name (Soil Name): Cartagena
  • OSD
  • Series Extent
  • User Site ID: S2017PR079025
  • User Pedon ID: S2017PR079025
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 18N0533
  • User Project ID: LAJA_004_NEON
  • Project Name: Lajas Experimental Station
  • Print Date: 12/7/2025

    • 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: 18.0346100
  • Std. Longitude: -67.0648000
  • Datum: WGS84
  • Location Description: Site is located 0.67 mile east of the UPRM-Lajas Experiment Station main building near to abandon aquaculture project area.
  • Map Unit: FrA—Fraternidad clay, 0 to 2 perecent slopesCeA—Cartagena clay, 0 to 2 percent slopes
  • Country: RQ—Puerto Rico
  • State: Puerto Rico
  • County: PR079—Lajas
  • MLRA: 273—Semiarid Coastal Plains
  • Non-MLRA Soil Survey Area: PR787—San German Area, Southwestern Puerto Rico

    • PEDON

  • Describers Name: Samuel Rios
  • Current Taxonomic Class: Fine, mixed, superactive, isohyperthermic Sodic Haplusterts
  • Current Taxon Kind: series
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Cartagena
  • Taxonomic Class - Fine, mixed, superactive, isohyperthermic Sodic Haplusterts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/8/2017
  • Classifier - Samuel Rios
  • Soil Taxonomic Edition - twelfth edition
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • QA Status: level 3


    • SITE

  • Parent Material: clayey marine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: coastal plain
  • Landform: basin floor
  • Geomorphic Component Flats: dip
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • RaCA Site ID - LAJA_025
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 45
  • Plot Baseline Length - 4
  • Plot Width - 40
  • Plot/Site Set Up By - Center of Pit
  • Plot or Site Recorder - Debbie Anderson

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/2017 (actual site observation date)
  • Data Collector: Samuel Rios
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    slickensides

    54—87

    —33—
    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

    1

    —

    —

    —

    —

    1175

    —

    365

    25.2

    26.7

    23.3

    —

    —

    —

    —

    —

    665097

    LAJAS SUBSTN

    SERCC
    A—0 to 24 centimeters (0.0 to 9.4 inches);, very dark gray (10YR 3/1) broken face, moist; clay; moderate medium granular, and moderate coarse granular, and moderate very coarse granular structure; extremely hard, very firm, slightly sticky, very plastic; common very fine roots throughout and common fine roots throughout and few coarse roots throughout; many medium interstitial and many coarse interstitial pores; 5 percent by volume nonflat rounded very strongly coherent cemented 2-10-20 millimeter mixed fragments observed by visual inspection method; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary. Lab sample # 18N02712; dry when described; observed in pit, small
    AB—24 to 54 centimeters (9.4 to 21.3 inches);, very dark gray (10YR 3/1) broken face, moist; clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; extremely hard, very firm, slightly sticky, very plastic; common very fine roots throughout and common fine roots throughout; many medium irregular and many fine irregular pores; 60 percent distinct pressure faces; 1 percent fine dark yellowish brown (10YR 4/6), moist, masses of oxidized iron lining pores and 1 percent very fine dark yellowish brown (10YR 4/6), moist, masses of oxidized iron lining pores; 5 percent by volume nonflat rounded very strongly coherent cemented 2-10-20 millimeter mixed fragments observed by visual inspection method; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary. Lab sample # 18N02713; dry when described; observed in pit, small
    Bss—54 to 87 centimeters (21.3 to 34.3 inches);, very dark gray (10YR 3/1) broken face, moist; clay; strong very coarse wedge structure; extremely hard, very firm, slightly sticky, very plastic; common very fine roots throughout and common fine roots throughout; many medium irregular and many fine irregular and many coarse irregular pores; 30 percent prominent slickensides (pedogenic); 5 percent fine dark yellowish brown (10YR 4/6), moist, masses of oxidized iron lining pores and 5 percent medium dark yellowish brown (10YR 4/6), moist, masses of oxidized iron lining pores and 5 percent fine dark yellowish brown (10YR 4/6), moist, masses of oxidized iron on faces of peds and 5 percent medium dark yellowish brown (10YR 4/6), moist, masses of oxidized iron on faces of peds; 5 percent by volume nonflat rounded very strongly coherent cemented 2-10-20 millimeter mixed fragments observed by visual inspection method; slight effervescence, by hcl, 1n; neutral, pH 7.0, pH indicator solutions; abrupt smooth boundary. Lab sample # 18N02714; dry when described; observed in pit, small
    C—87 to 100 centimeters (34.3 to 39.4 inches);, very dark grayish brown (10YR 3/2) broken face, moist; clay; strong coarse subangular blocky, and strong medium subangular blocky structure; hard, firm, slightly sticky, very plastic; common very fine roots throughout and common fine roots throughout; common medium irregular and few fine vesicular and common fine irregular pores; 5 percent very coarse yellowish red (5YR 4/6), moist, masses of oxidized iron lining pores and 5 percent coarse yellowish red (5YR 4/6), moist, masses of oxidized iron lining pores and 5 percent medium yellowish red (5YR 4/6), moist, masses of oxidized iron lining pores and 5 percent fine yellowish red (5YR 4/6), moist, masses of oxidized iron lining pores and 5 percent very coarse yellowish red (5YR 4/6), moist, masses of oxidized iron on faces of peds and 5 percent coarse yellowish red (5YR 4/6), moist, masses of oxidized iron on faces of peds and 5 percent medium yellowish red (5YR 4/6), moist, masses of oxidized iron on faces of peds and 5 percent fine yellowish red (5YR 4/6), moist, masses of oxidized iron on faces of peds; 5 percent by volume nonflat rounded very strongly coherent cemented 2-10-20 millimeter mixed fragments observed by visual inspection method; noneffervescent, by hcl, 1n; neutral, pH 7.0, pH indicator solutions. Lab sample # 18N02715; dry when described; observed in pit, small