IDENTIFIERS

  • Current Taxon Name (Soil Name): Costa
  • OSD
  • Series Extent
  • User Site ID: D97PR079002
  • User Pedon ID: D97PR079002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 97P0482
  • NCSS Pedon Lab Data NASIS Record ID - 10165
  • Print Date: 2/16/2025
  • 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: 17.9777778
  • Std. Longitude: -67.0930556
  • Datum: WGS84
  • Location Description: Costa very gravelly clay in an area of Costa-Pitahaya complex, 20 to 60 percent slopes; approximately 3.0 miles west of La Parguera community; about 1.8 miles southeast of Rancho Cabassa; about 100 feet north of gravel road on naturalized patureland; Lajas Municipality. (USGS Parguera topographic quadrangle (1966); lat. 17 degrees 58 minutes 40 second N. and long. 67 degrees 5 minutes 35 seconds W.)
  • Map Unit: SgF—San German cobbly loam, 20 to 60 percent slopesCuF—Costa-Pitahaya complex, 20 to 60 percent slopes
  • Non-MLRA Soil Survey Area: PR687—Lajas Valley Area, Puerto RicoPR787—San German Area, Southwestern Puerto Rico
  • PEDON

  • Describers Name: Jorge Lugo; Carmen Santiago; Greg Brannon; Fred Beinroth
  • Current Taxonomic Class: Clayey, carbonatic, isohyperthermic, shallow Typic Torriorthents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Costa
  • PSC - 25 to 48 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Duey
  • Classificaton Date - 6/18/1997
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: material that weathered from limestone bedrock
  • Landscape: hills
  • Landform: ridge, hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Drainage Pattern: dendritic
  • Runoff: very high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: limestone, unspecified at 48cm
  • Geology: Maestrichtian To Santonian (upper Cretaceous) member of the Parguera Limestone formation in the Kpl group.
  • Surface Fragments: 30.00 percent 2- to 76-millimeter limestone, unspecified, 2.00 percent 250- to 600-millimeter limestone, unspecified, 15.00 percent 76- to 250-millimeter limestone, unspecified,
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/18/1997 (actual site observation date)
  • Air Photo ID: 10D
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - tropical
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    weakly coherent

    moderately coherent

    48 - 109

    109 - 160

    13 - 37 - 50

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

    ochric epipedon

    0—18

    17—18—25

    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    6/18/1997

    50

    27

    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

    15

    80

    135

    794

    365

    26.2

    27.5

    24.6

    27.5

    29.2

    26.1

    2067

    Bosque Seco Station

    NRCS-NWCC SCAN

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 5/3) broken face, dark yellowish brown (10YR 4/4) broken face, moist; very gravelly clay; 19 percent sand; 36 percent silt; 45 percent clay; moderate medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; very slow permeability; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine interstitial and 3.0 fine interstitial pores; 2 percent by volume 250-?-600 millimeter limestone, unspecified fragments and 15 percent by volume 76-?-250 millimeter limestone, unspecified fragments and 30 percent by volume 2-?-76 millimeter limestone, unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; clear wavy boundary.; dry when described; observed in cut
    AC—18 to 29 centimeters (7.1 to 11.4 inches); yellowish brown (10YR 5/4) broken face, dark yellowish brown (10YR 4/4) broken face, moist; very gravelly clay; 11 percent sand; 35 percent silt; 54 percent clay; weak medium granular structure; soft, very friable, slightly sticky, slightly plastic; very slow permeability; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine vesicular and 10.0 very fine tubular and 10.0 fine vesicular and 10.0 fine tubular pores; 25 percent by volume 2-?-76 millimeter limestone, unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear wavy boundary.; dry when described; observed in cut
    C—29 to 48 centimeters (11.4 to 18.9 inches); pale yellow (2.5Y 8/2) broken face, light yellowish brown (10YR 6/4) broken face, moist; silty clay; 13 percent sand; 44 percent silt; 43 percent clay; massive; soft, very friable, slightly sticky, moderately plastic; very slow permeability; 3.0 medium roots throughout and 3.0 fine roots throughout; 10.0 very fine vesicular and 10.0 very fine tubular and 10.0 fine vesicular and 10.0 fine tubular pores; 10 percent by volume 2-?-76 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; clear wavy boundary.; dry when described; observed in cut
    Cr—48 to 68 centimeters (18.9 to 26.8 inches); very pale brown (10YR 8/2) broken face, light yellowish brown (10YR 6/4) broken face, moist; silty clay; 12 percent sand; 46 percent silt; 42 percent clay; moderate medium platy structure; very slow permeability; 3.0 medium roots throughout and 1.0 fine roots around fragments; 10 percent distinct carbonate bands along lamina or strata surfaces; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, pH meter; clear wavy boundary.; dry when described; observed in cut
    Cr—68 to 110 centimeters (26.8 to 43.3 inches); very pale brown (10YR 8/2) crushed, 75 percent yellow (10YR 7/6) broken face and 25 percent very pale brown (10YR 8/4) broken face, moist; 26 percent sand; 47 percent silt; 27 percent clay; moderate medium platy structure; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout; 10 percent distinct carbonate bands along lamina or strata surfaces; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.5, pH meter; clear wavy boundary.; observed in cut
    R—110 to 160 centimeters (43.3 to 63.0 inches); white (10YR 8/1) broken face, very pale brown (10YR 8/2) broken face, moist; 24 percent sand; 57 percent silt; 19 percent clay; 1.0 medium roots throughout and 1.0 fine roots throughout; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.5, pH meter.; observed in cut