IDENTIFIERS

  • Current Taxon Name (Soil Name): Zarzal
  • OSD
  • Series Extent
  • User Site ID: D11PR119002
  • User Pedon ID: D11PR119002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 86P0305
  • NCSS Pedon Lab Data NASIS Record ID - 58110
  • 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: 18.3279167
  • Std. Longitude: -65.8216111
  • Datum: WGS84
  • Location Description: Rio Grande, Puerto Rico. Approximately 3.3 miles south from the intersection of PR Hwys. 3 and 186; about 2.3 miles south from the intersection of P.R. Hwys. 186 and 966; about 0.32 mile northwest from quebrada Sonadora bridge on PR Hwy. 186; about 180 feet west of PR Hwy. 186 on forestland at El Yunque National Forest. USGS El Yunque, P.R. topographic quadrangle (1982); lat. 18 degrees 19 minutes 40.5 seconds N; long. 65 degrees 49 minutes 17.8 seconds W.
  • Map Unit: ZaF—Zarzal-Cristal complex, 20 to 60 percent slopes
  • Non-MLRA Soil Survey Area: PR700—El Yunque National Forest, Puerto Rico

    • PEDON

  • Describers Name: Jorge L. Lugo; Samuel Rios
  • Current Taxonomic Class: Very-fine, kaolinitic, isohyperthermic Inceptic Hapludox
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Zarzal (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/22/2022
  • Classifier - ASR, SRT
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - perudic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Zarzal
  • Classificaton Date - 3/3/2011
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Residumm from volcanic bedrock
  • Landscape: mountain range
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Pattern: dendritic
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent igneous, unspecified at 208cm
  • Geology: Middle Cretaceous member of the Barranzas Formation formation in the Kb group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/3/2011 (actual site observation date)
  • Hydrology Status: unaltered
  • Plant Association Name: Palo Seco Forest
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - tropical
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - overcast
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    very weakly coherent

    178 - 208

    - 30 -

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

    ochric epipedon

    oxic horizon

    3—8

    18—91

    —5—

    —73—
    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

    23

    —

    —

    235

    —

    320

    2562

    —

    365

    24.5

    26

    22.7

    —

    —

    —

    —

    —

    668245

    Rio Grande, El Verde, Puerto Rico

    Weather Service
    Oe/Oi—0 to 3 centimeters (0.0 to 1.2 inches); black (10YR 2/1) crushed; very friable, nonsticky, nonplastic; very rapid permeability; many (5.0) very fine roots throughout and many (5.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; moist when described; observed in pit, small
    A—3 to 8 centimeters (1.2 to 3.1 inches); brown (7.5YR 4/3) broken face; moderate fine granular structure; friable, slightly sticky, moderately plastic; moderate permeability; common (4.0) very fine roots throughout and common (4.0) medium roots throughout and common (4.0) fine roots throughout and few (0.9) coarse roots throughout; common (4.0) fine moderate-continuity irregular pores; 15 percent distinct clay films on surfaces along root channels and 15 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog; clear smooth boundary.; moist when described; observed in pit, small
    AB—8 to 18 centimeters (3.1 to 7.1 inches); 50 percent strong brown (7.5YR 5/8) broken face and 50 percent brown (7.5YR 4/3) broken face; moderate fine subangular blocky structure; firm, moderately sticky, very plastic; moderate permeability; few (0.9) medium roots throughout and few (0.9) coarse roots throughout; few (0.9) very fine moderate-continuity irregular and common (4.0) very fine moderate-continuity tubular pores; 15 percent distinct clay films on surfaces along root channels and 15 percent distinct clay films on all faces of peds; 2 percent coarse cylindrical worm casts with sharp boundaries in matrix and 2 percent fine spherical iron-manganese concretions with clear boundaries in matrix and 2 percent medium cylindrical worm casts with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog; clear smooth boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 697700; continuous - phpvsfiid 697701; continuous - phpvsfiid 697700; continuous - phpvsfiid 697701
    Bo1—18 to 69 centimeters (7.1 to 27.2 inches); 75 percent strong brown (7.5YR 5/8) broken face and 25 percent yellowish brown (10YR 5/8) broken face; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm, moderately sticky, very plastic; moderate permeability; few (0.9) medium roots throughout and few (0.9) fine roots throughout; few (0.9) very fine moderate-continuity tubular pores; 40 percent distinct clay films on all faces of peds; fine prominent spherical iron-manganese concretions with sharp boundaries in matrix and fine prominent threadlike red (2.5YR 4/8), moist, iron masses with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 697702; continuous - phpvsfiid 697702
    Bo2—69 to 91 centimeters (27.2 to 35.8 inches); 90 percent red (2.5YR 4/8) broken face and 10 percent 10Y 6/6 (10Y 6/6) broken face; moderate medium subangular blocky structure; firm, very sticky, very plastic; moderate permeability; few (0.9) fine roots throughout; few (0.9) fine moderate-continuity tubular pores; 20 percent distinct clay films on surfaces along pores and 20 percent distinct clay films on all faces of peds; 2 percent fine spherical iron-manganese concretions with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary.; moist when described; observed in auger, bucket. continuous - phpvsfiid 697703; continuous - phpvsfiid 697704; continuous - phpvsfiid 697703; continuous - phpvsfiid 697704
    BC—91 to 178 centimeters (35.8 to 70.1 inches); red (2.5YR 4/8) broken face; firm, moderately sticky, moderately plastic; moderate permeability; few (0.9) fine moderate-continuity tubular pores; 20 percent faint clay films on all faces of peds; 2 percent fine spherical iron-manganese concretions with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary.; moist when described; observed in auger, bucket. continuous - phpvsfiid 697705; continuous - phpvsfiid 697705
    C—178 to 208 centimeters (70.1 to 81.9 inches); variegated very pale brown (10YR 8/2) broken face and olive yellow (2.5Y 6/6) broken face and pale red (7.5R 6/2) broken face and strong brown (7.5YR 5/8) broken face and yellowish brown (10YR 5/8) broken face and red (2.5YR 4/8) broken face and brownish yellow (10YR 6/6) broken face; structureless massive; friable, moderately sticky, moderately plastic; moderately rapid permeability; few (0.9) fine moderate-continuity tubular pores; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog.; moist when described; observed in auger, bucket