IDENTIFIERS
Current Taxon Name (Soil Name):
Zarzal
OSD
Series Extent
User Site ID:
S1993PR119013
User Pedon ID:
93PR119013
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
93P0443
NCSS Pedon Lab Data NASIS Record ID -
65786
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:
18.3266659
Std. Longitude:
-65.8161087
Datum:
WGS84
Location Description:
150 cm south of 11.16.44 on the El Verde LTER, Caribbean National Forest.
State:
Puerto Rico
MLRA:
270—Humid Mountains and Valleys
Non-MLRA Soil Survey Area:
PR700—El Yunque National Forest, Puerto Rico
PEDON
Describers Name:
John Davis, Roy Vick, Warren Lynn, Bruce Dubee, and Henry Mount
Current Taxon Kind:
series
Pedon Type:
representative pedon for component
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
13
Sampled As Information:
Soil Name -
Zarzal
Taxonomic Class -
Very-fine, kaolinitic Typic Kandiudox
PSC -
25 to 100 cm.
Classificaton Date -
2/25/1993
Moisture Class -
udic
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
mountains
Landform:
mountainside
Microfeature:
tree-tip mound
Geomorphic Component Hills:
side slope
Hill Slope Profile:
backslope
Slope Position:
on a slope
Slope Shape Across:
linear
Slope Shape Down:
convex
Runoff:
medium
Drainage Class:
moderately well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
22.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
2/25/1993 (actual site observation date)
Microrelief Elevation:
15
Plant Association Name:
Tabanuco Forest
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
intermixed conifers and hardwoods
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
oxic horizon
0—5
5—120
—-
—-
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
13
—
—
378
—
0
2032
—
—
—
—
—
—
—
—
—
—
—
—
—
Oi—0 to 1 centimeters (0.0 to 0.4 inches); dark brown (7.5YR 3/2) Error; loose; fragments; abrupt smooth boundary. Lab sample # 93P03354; moist when described;
A—1 to 6 centimeters (0.4 to 2.4 inches); brown (7.5YR 4/3) clay; moderate fine and medium granular structure; friable; 6.0 very fine and fine roots throughout; fragments; clear smooth boundary. Lab sample # 93P03355; moist when described;
Bo1—6 to 33 centimeters (2.4 to 13.0 inches); strong brown (7.5YR 5/6) clay; moderate medium subangular blocky structure; friable; 3.0 very fine and fine roots throughout and 2.0 medium roots throughout; 5 percent coarse dark brown (7.5YR 3/2) worm casts throughout and 5 percent coarse dark yellowish brown (10YR 4/4) worm casts throughout; fragments; gradual smooth boundary. Lab sample # 93P03356; moist when described;
Bo2—33 to 57 centimeters (13.0 to 22.4 inches); strong brown (7.5YR 5/6) clay; 25 percent yellowish red (5YR 5/6) coarse distinct mottles; moderate medium subangular blocky structure; friable; 0.5 very fine and fine roots throughout; 2 percent fine irregular black (10YR 2/1) iron-manganese masses throughout; 2 percent coarse dark brown (7.5YR 3/2) worm casts throughout and 2 percent coarse dark yellowish brown (10YR 4/4) worm casts throughout; fragments; clear smooth boundary. Lab sample # 93P03357; moist when described;
Bo3—57 to 101 centimeters (22.4 to 39.8 inches); strong brown (7.5YR 5/8) clay; 1 percent light gray (10YR 7/1) fine faint and 25 percent yellowish red (5YR 5/6) coarse distinct mottles; moderate medium subangular blocky structure; friable; 0.5 very fine and fine roots throughout; fragments; gradual smooth boundary. Lab sample # 93P03358; moist when described;
Bo4—101 to 121 centimeters (39.8 to 47.6 inches); strong brown (7.5YR 5/8) clay; 1 percent light gray (10YR 7/1) fine distinct and 25 percent yellowish red (5YR 5/6) coarse distinct mottles; weak coarse subangular blocky structure; friable; 0.5 fine roots throughout; fragments; abrupt smooth boundary. Lab sample # 93P03359; moist when described;
Cr—121 to 126 centimeters (47.6 to 49.6 inches); brownish yellow (10YR 6/6) weathered bedrock; 5 percent light gray (10YR 7/1) fine prominent mottles; massive; rigid; fragments.; moist when described;. no sample.